0" deck height, using a . wall thickness) • Tall deck height (10. 240 in. 010-inch, we would have a theoretical piston-to-deck clearance of -0. I`ve seen 383 builds come out way below deck as well as dead on deck. 64: 6. 075 finish deck height was 8. 300 taller than the blueprint spec of a stock Chevy block. The positive or negative value must be reversed when this number is used to calculate compresion ratio. I just did a 440 that is suppose to be 10. Jan 12, 2010 · - 327 SBC . com/squarebodystuffClick here for 10% Apr 17, 2019 · The shorter deck also results in reduced weight of the block. 00 = 7. The 800+ CID Feb 9, 2024 · Royal Purple Max Tuff Assembly Lube. 011" between all cylinders; . And, at the end of the day, you have a stock block. 033" deck height. 200") • Lifter bosses are . 020 shorter than factory 1. So I did a quick check of my deck height in my 327. 020 compressed steel head gaskets, and combined with between . Open lifter valley improves oil return to pan. 430-. in most cases this isn't anything to loose sleep over. Stroke. 2" must be used to contain the entire reciprocating assembly (aka "rotating" assembly, ie. 35 ft lbs. 250 inch stroke crankshafts. 464"). 9:1. 55 compression height (others are 1. What is the better choice I'm planning on running twin s366's or a gt5594 with afr235 heads Nov 10, 2003 · The Rocket was also available with a deck height of 9. Remember, all the work on center to center rod length, piston compression height, and correcting the crank stroke, are out the window if your block isn’t square. 001" in length. This is the max effort racing block that Dart has for standard bore space Small Blocks. 020-. Pistons . Product images may differ from actual product appearance. 74 (1/2 stroke), plus 5. Get used to using the correct terminology and everyone will understand where you're at. May 15, 2007 · Every Chevy engine I've ever built has been "off" by fairly large margins in machining terms. Thanks in advance. Deck Height. Aug 1, 2008 · For example, a small-block Chevy with a 4. Jun 14, 2010 · Good-condition 350 cube Chevy 4-bolt small-blocks are becoming increasingly hard to find. 625 inches and is already clearanced for 4. The first thing Ive noticed is the pistons im looking at have a compression height of 1. This block can easily handle boring up to 4. We opted for the standard 9. I am speaking of the difference between an undecked block that measures at 9. Engine Bare Blocks, Dart Race Series, Aluminum, 9. 025, if we have a stroke of 4. 010-inch below while Number 7 checks 0. The standard smallblock deck height is 9. 035". it should be rather obvious that increasing the compression changes the fuel octane requirements. 490 which would be . 7") and piston compression distance (1. Anythings possible. Motor: Size: Deck Height: Bore: Stroke: Rod Length: Rod Journal: Rod Width: Max. Yes it is a reground crank by the machine shop. . 785", which would leave a piston deck to block deck clearance of . 000-inchbore- spacing block with raised Dart's Iron Eagle Small Block Chevy Race block is available with tall deck, raised cam locations and with ports for wet/dry sump oiling systems. Engines, Bare Blocks, SBC Motown LS Bare Block, 350 Mains, 9. Rule of thumb of most virgin Small blocks is 9. I've narrowed it down to 2 je numbers either 242885 with a comp height of with 1. Re: whats the stock deck height of a small block 400. Oct 26, 2007 · The most we have machined of a stock OEM block is . 2-inch deck height) 302ci Windsor small-block on the boil through the 1994 model year, which had a knock-on Find Intake Manifolds, Carbureted Tall deck Engine Block Deck Height and get Free Shipping on Orders Over $109 at Summit Racing! $20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: REWARDS Little M Engine Block Small Block Chevy 9. 900-inch-bore-spacing block with raised cam; and a 5. I am trying to figure out what my quench is going to be. Knowing your deck height BLOCK DECK HEIGHT GAUGE. Raised Camshaft 31182235 parts at JEGS. Bore. montecarlossDial deck bridge - https://www Mar 31, 2020 · Here are the basic components needed to build a 632: a tall deck big Chevy engine block (PN 3123645) and a 4. 75 / 2 = 1. 600″ thick with blind head bolt holes. I zero`ed it out on the deck and then slid the bridge till it crossed the flat top part of the piston. 63:1 a 350 chevy has and better than the original 454s 1. 039" compressed thickness, 4. 219: 2. I measured the piston to deck height using a magnetic deck bridge w/ a dial indicator. Truck Freight: $178. GM Motorsports engineers sliced the block deck height . I have a 383 that I know the blocked has never been decked, for some reason I have 0 deck height is this possible with 5. Standard 1980-1985 SBC oil pan can be used with right side dipstick. These Speed Pros also have a 1. ) BLOCK: DECK HEIGHT (in. A good rule of Oct 29, 2013 · The deck height of a block is the measurement from the center of the crank to the top of the cylinder head mounting surface. 600 • Plug Kit Is Provided With the Block • Best Block in the Industry • Small Bore Sleeves Available Upon Request: Cam Bearings: Deck Height • Cam Bearings Are Sold Separately • Big Block Babbit Bearings * • 50 mm Actual deck height will be . 050", and install a Fel-Pro 1043 head gasket (. 391 Raised Cam. Using half the stroke and then adding in the rod length of 6. Stroke - The stroke of the crankshaft in inches. 750-inch stroke crankshaft. 12-09-03 02:53 PM - Post# 351600. 500 + 5. 325 in. Repeat at each corner of the block. 025", however, I believe these Targetmaster blocks are from Mexico, so anything is possible. View Now. 600" max bore (. I show you how to check piston deck height, also known as compression height. 2cc Sterling H557P*8 351W 1969-72 with 9. The original 400 smog heads had 76cc combustion chambers. 675"). Apr 19, 2009 · confused on 383 deck height. 875 + 6. 200", and the tall deck roughly . ” McInnis goes on to add some additional detail to this short deck block application. Sep 24, 2014 · I'm building a 400 sbc with a dart shp block, scat crank, and 6" h beam rods. Re: Deck Height, Quench, Mahle, Compstar. Get the Best Performance with Dart Little M Engine Block Small Block Chevy 9. They measure from the centerline of the crankshaft to the top of the deck (surface where heads bolt on). Buy me a coffeehttps://www. 040" quench will run more efficiently (all else being Jul 9, 2009 · In practice, the deck height is not exactly 9. Your vortex heads are probably 58cc. Deck Height, 4-bolt Main Bolt Style, Chevrolet, V8, Chevy Small Block Gen I, Each Part Number: WRL-084181 5. 800 Mar 3, 2007 · Well Known Member. Be sure to measure all the cylinders. The foundation of our 540ci big block Chevy build is a Dart Big M2 block. For a serious street driven 327 that you can actually use and have fun with, 450 hp would be more reasonable and it would still have to be really well built and tuned. 453" potential rod length, the closest standard rod is a 6. 040 over 2166 pistons with . • Additional Head Bolt Lugs in Deck Area • Thick Wall Sleeves With 1/4 Inch Registers Allow Bore Sizes up to 4. 025 inch of piston deck clearance for a total of 0. 325” deck (standard-deck blocks are 9. 600". That still has a much better rod:stroke ratio than a standard 400 while having a better compression height than any 4" stroke combo at 1. & 5 3/8” studs. 3. CNC cast-iron competition block designed for drag racing, road racing, or restricted oval track racing. Early stock SBC 2 hole oil filter adaptor is required. 4 inch taller deck. 645" compression height, the stroke on a 496 is increased to 4. Aug 27, 2019 · DECK HEIGHT (in. 250 min. Standard big-block Chevys have a deck height of 9. That is where the . for instance, requires a stroke of 4. buymeacoffee. Raised Camshaft 31181225 parts at JEGS. by cadride » Sun Jul 07, 2013 10:31 pm. Tall deck is 10. 025″ and decks are . 025”); can be machined to 8. Common deck heights for small-block Chevys are 9. Stock sbc blocks are often taller than "spec" (9. May 10, 2015 · intake manifold deck height question Jump to Latest Follow 3K views 3 replies 3 participants last post by BuzzLOL May 11, 2015 Mar 15, 2009 · To measure the piston compression height, use your caliper to measure from the top of the wrist pin bore to the piston crown. I. 00 /2) + 1. Piston Compression Height Calculator. 850 = 9. 425-1. 385", leaving the piston deck Feb 15, 2021 · If the block DH stock was greater than stock spec (more than 9. 800: 351W: 9. Feb 8, 2021 · Are your pistons protruding from your block? When building an engine with a new block you’re unlikely to come across pistons poking out the top of your block Apr 17, 2011 · The Deck height is the distance from the center of the crank main journal to the deck surface. To measure it yourself, use a pair of 12 in. May 2, 2023 · Then stack your gage blocks to the dimension that is the same as the reading you got in the main bearing bore. 110" dome height with a 13. 71:1, with a stack dimension of 9. 0 out of 5 stars ( 1 ) Jan 17, 2022 · On the small-block end of things, the 5-liter Fox-body Mustang kept the short-deck (8. Next, subtract that answer from the deck height: 9. Subtracting the stack from the block deck height leaves us with a piston deck height of 0. 500” lift would make for a screamer 327, with a rough but usable idle if the rest of the combo works together. 275” thick with 4. Block Composition. 25mm to 1. In response to Stars-N-BarS. 00-inch stroke and a 6. 025: Boss 302 / SVO: 8. 035" and then decking it to 9. Deck height (piston popup) variation is . 4:1 w/58cc TRW Forged L2324F*8 302 2V Cleveland 9. Lets suppose you measure the solder and one piece is . NOW, add that 1/2 of the main bearing diameter to the gage block reading and you have your deck height. ) Ford: Chevy: 289-302: 8. 125" Rear Main Seal: 2-Piece; 400 Main Journals Deck Height: 9. 206" deck height 302 Boss 1969 10. Cutting the block to 9. 150 + 5. Stock deck height is a joke- its comical to a point. 0 is right but you really need to mock the motor up first to be absolutly certain. 710" @ 0. Subtract from 9. 010-inch shy of the deck. . 8" (same as the regular big block) I'm pretty sure the deck angle is 74 deg. 9cc dome. Install main caps without bearings. 561" compression height. The height will vary slightly between the cylinders. Distance piston moves from TDC to BDC. A gen I sbc from the factory is supposed to be 9. I used some calculations done by hand to compute deck height and they all came out to 9. 240: 4. 025”), and pistons actually wind up . On most stock Porsche engines, your target deck height is 1. 40 : 401 : 3. 00 7. J. 7 (rod length)= 8. Some people say zero decking them to 9. 725"virgin block. Oct 13, 2020 · Not sure if you have already bought your pistons. It has . 325 in Sep 5, 2013 · Deck height is standard SBC 9. 7" rod that pushes the ratio down too far). Part Number: 301-31182211. Also since the deck is . Standard 1980-1985 SBC oil pan can be used, 1986 and up can be used for 1 pc rear seal. Stroker pistons setup for 10. 2"(plus . 715" when measured, ended up at 10. 263 posts · Joined 2012. The Mar 5, 2012 · 327 piston/deck height question. 020 to . Hook the jaw of the caliper on the main bearing bore. On a high performance engine you can run it as tight as 1mm if you are trying for higher compression. 503: Chrysler: 351 C Boss: 9. 00-inch bore size, there are several different stroke lengths. 035-inches. #6. Priority main oiling system feeds main bearings first. 025 in the hole, deck not square, lifter bores out of whack, cam and crank bores off, etc. Deck Height (Crank C/L Deck) Deck Clearance:Note: This only refers to the piston being above or below deck. 002" - . 78", where as and correct me if im wrong the original factory pistons had a 1. 004-inch below and Number 8 is 0. This can vary, I have seen some 400s that are closer to 9. 10 vs. 400 Mains – 4 Bolt. 000". An example of this would be using a 9. 017 block deck height (. 480 – 9. The actual difference in the blocks is . 905"), zero deck the block, mill the cylinder heads approximately . 58mm and the opposite piece is . Assuming that perhaps the deck has been shaved 0. 200". 24502650. 044" Head Gasket Thickness - 64 cc Head And the heads have been shaved down as far as they can go. Mar 27, 2008 · Otherwise measure from the top water pump hole to the deck surface. To achieve a static compression ratio of 9. 325 and 9. KB may or may not manufacture a piston with this exact compression height to produce a zero deck clearance. 206: 273-318- Poly: 9. 025 in. This just means the piston was slightly tilted in the clearance between the Small Block Chevy Bore: 4. 8" compression height. 8-inch deck height, and stock cam location; a tall-deck (10. 00. Deck height: 9. 6L – 5. 850 inches then: (4. Note that now days you can buy several different manifolds that fit tall deck engines with no spacers. Deck Height, 4. Calipers and a Dial Bore Gauge. 7 rods & pistons. 54) which will get me closer to a . This is just one of the surprises you get from building a stroker engine. 025-inch for the 302 Apr 16, 2021 · I have a new GMPP – 19419042 SBC, ZZ4/6 Short Block Assembly. 5mm. 050-inches to the deck height it allows a bit more room for the piston where every cubic inch is being taken advantage of. 001" and cutting the block deck height to 9. 009" and will equalize the piston deck height on all of the cylinders. 53:1 ratio, even thought the strokes been increased. As mentioned that combination will require a dished piston. As gkull stated, most piston manufacturers give you an installed deck clearance based on rod length, piston pin height, and Jun 6, 2019 · If the rotating assembly height is taller than the deck height, the piston will protrude past the deck surface and may require a thicker gasket to give adequate clearance. 2 inches) block with raised cam; a 4. 120-inch (unfinished); 4. As Hupertz points out, the quench distance should be increased if the piston has enough rock at TDC to protrude above the deck. 500 in. Oct 8, 2013 · Quench should be as tight as possible without the piston actually contacting the head. 025 Deck Height - 3. Some tolerance stackups of crank, rods, and pistons put Calculate Deck Height, Rod Length, Piston Pin Height, Finished Block Height, or Stroke. 125"= 1. Jun 12, 2014 · From what I understand, the Vortec pistons have a smaller diameter (3. This is what you use to assure all four corners of your block are the same distance from the crankshaft. 560”. 185” bore). #3 · Jan 28, 2005. Class 32B cast iron. Mar 16, 2023 · here is a quick and informative video on how to check piston to deck height using a dial indicator and a deck bridge from Proform. 195" or . 00-inch rod will require a very short 1. 125 Domed Pistons - 9. 030" (3. 145 comp height and shows with a 9. Rod Length. 5" Bore Space Iron Eagles are also available. 030 TRW Pistons #L2166n - . The tool can also be used for actual Jan 24, 2013 · Pete 63. 302: 273-318-340-360 LA: 9. 1. 8" rod length + 1/2 of 4. 565") pistons with a 1. 283 MAIN, 350 BORE SIZE SHORT-DECK BOWTIE RACE BLOCK. 125. 000", leaving a piston deck height of 0. Even though many small-blocks share the same 4. 025") what is the true real measured finished Deck height? Hard to tell without actually measuring that. 4 inch taller the engine is wider and harder to Dart's Race Series Aluminum Blocks offer short or tall deck, raised cam for more clearance, BBC or 50mm cam for increased stability and your choice of 350 or 400 main bearing. 500 inches. Factory style Cloyes timing gear is required PN# 9-3658TX3. Object moved to here. But the future of the Rat appears to be stroker versions and today you could easily build a stock deck height Rat motor at 500-plus-ci using off-the-shelf parts. 200-inch deck, a Cleveland deck height for the Ford small-block rather than the standard 9. Standard SBC timing chain, timing cover, gear or belt drive can be used. 025") Is your . If by some slim chance that junk ’71 Nova at the local boneyard still has a good 4-bolt block, it won't be cheap. It’s hard to tell a Rat by its cover. 770" pin height and a . Doing so increases compression (obviously) and promotes more efficient quench. 025 deck clearance, gave the proper . 016 inch to the 0. Nov 1, 2008 · Also of note is the piston deck height-the +0. 875, and 1. Divide the bore measurement by 2 to find the radius. 025-inch, but Dart, GM Performance Parts, and others offer tall-deck versions that include heights of 9. 75 cubic inches of volume in a 350s cylinder and 47. Use Chevrolet Performance head gaskets, part number 14096405. 051" gasket to compensate. Jul 4, 2011 · on your taller tall deck block with its 10. 150 inches, and a rod length of 5. This block was machined for a sprint car which runs the water pump off the front of the crank. A splayed-bolt main cap block is available in four configurations: a traditional Mark IV replacement-style block with standard 4. 040 to . 025") or tall deck (9. This, in turn, is largely dependent on the type of connecting rods and the engine's peak rpm. 300" taller than standard blocks • Tested to 1,200 horsepower! Specs: •Part Number: 19212197 •Casting Number: 24502506B •Deck Height: 10. 005"- . Jun 21, 2006 · Specified deck height of the SBC is 9. Of course, you can pick up a brand-new race block Dec 9, 2005 · The block when new should have measured 9. 540”, . thats a 1. 75" long, which cannot be achieved with the standard Chevy factory engine deck height of 9. 001". 053 Tall Deck Bowtie Race Bare Block • CNC-machined cast-iron 4-bolt block • 4. 125in Bore 9. 00-inch compression height to squeeze it all into a standard-deck-height small-block. 210: LS Gen III/IV/V: 9. Dist. 4-bolt steel mains, 20° splayed caps on center three mains. 5:1 with a 350 but closer to 11. 875" stroke and 5. Because rod lengths and deck heights remain constant (except on the 400-ci engine), piston compression height must be matched to the stroke of the crankshaft. 005" taller for additional machining requirements. 875 = 1. 16), lighter weight (about 4 ounces), thinner rings, and a different skirt from the 86-95 350 SBC pistons. 775 which is 250 off the decks which brought the decks down to the upper water pump bolt holes. Double timing chains are available but block must be Aug 17, 2022 · The summit 17351C-30 pistons you chose have a compression height of 1. 008 removed from factory 9. 25" so you have 2. 391 in. 800-inch spread pan rail versus stock 350 Chevy. #10 · Jan 24, 2013. 035 inch, which promotes efficient Re: Stock deck height / quench of a chevy 350 ? 02-15-02 11:54 AM - Post# 92360 In response to the_gman_69 Older stock engines used . 800 inch deck height and standard cam bore location. 037 below deck, and with . I showed a . 0:1 w/76. 325") versions so you can select the Jan 30, 2013 · The tall deck truck motors have a taller piston with 4 rings instead of 3 like the short deck ones, thus a . "spec'd" is/may not be the same as measured. 25" stroke (thats 2. 0L Modular: 8. 500 in While the majority of big-blocks displaced 454 inches, Chevy did build a production engine displacing 496ci. For example, in a 632 cubic-inch nitrous engine with a 1. 025" due to the casting process the blocks are somethimes tipped from corner to corner a couple thousandths. 135" and the pin height of the piston, I get a total of 9. 825 inches and raised the Deck Clearance Calculator. 023") deck height you have a 454 piston is about 1. 041 inch. Deck Height (Crank C/L to Deck) Piston Compression Height:Note: This is the calculated compression height. 850" rod. 025" block deck height. Very hard to get an accurate measurementat least in my experiance. 52mm. 015-inch. 65 ft lbs. 625"), rod length (5. Supporting Member 5. 00" will make zero deck if the rods are the correct length and the pistons have the OEM specified compression Aug 19, 2012 · PN 31121212 (0. As mentioned the piston compression height is based on rod length, so they do not interchange between rod lengths. 025. That is the distance that the crown of the piston is down in the bore with the piston at top dead center. 400", not 1/2". 1 & 5 3/8" studs. 645" pin height and a 10. 10. 125 in Bore, 4-Bolt Mains, 2 Piece Rear Main Seals, Chevy Small Block, Each Part Number: DRT-31712222 Not Yet Reviewed Jan 1, 2023 · Let's get small: The new short-deck small-block is designed for short-stroke crankshafts and short connecting rods. This will leave the piston crown down in the bore by 0. Add 1. 220” deck height. 040" piston below deck measured? or "spec'd" ? Jul 22, 2022 · This deeper deck height allowed us to add a metal shim gasket’s 0. 967 : 425 : 3. If you choose to build your own low-deck 454 small-block with a 4 Nov 17, 2009 · It seems like I might be better staying with a 414 or 420 (0. These blocks only weigh 95lbs, an Iron Eagle Block with May 31, 2022 · Part 3 of my 383 build where I check piston deck height to determine quench and head gasket thickness Ig : Atlanta. 005 figure, when combined with the cylinder heads' 60cc chamber volume, creates a fairly tight quench figure of 0. With BBC cam diameter, camshaft snout must be machined to SBC size for gear or sprocket. 010". $5,096. 875. 036" would be the static quench with the piston parallel to the block deck. Stroke/2 + Rod length + piston compression height. Jan 17, 2019 · Let’s assume that for a small-block Chevy that our deck height check reveals that the Number 1 cylinder is 0. 292 – 10. 600: 351C, 400-2V: 10. 6:1 rod/stroke ratio, or close to the 1. 200" Torque Specs - Main Caps. 00" to achieve a zero-deck height. An engine with . 8. 045 quench distances we seek. DISCONTINUED Edelbrock Engine Block GM SBC Siamese 4. 201 / 8. 325″ Deck Height. 99. The factory used a "stack" of parts to reach 9. 700 + 1. 2-Piece Rear Main Seal. World blocks are equipped with a priority main oiling system which delivers oil to the main bearings first for reliable lubrication at high rpm. Apr 4, 2001 · 1. 840-inch bore spacing, 9. As Mark stated, a stock Chevy block is ~9. Measure the main bearing bore. This makes a stack of 9. 00in Deck Height Cast Iron - 450020 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Apr 18, 2009 · An engine displacement of 632 C. 185-inch max. 4:1 with a 383, theres 43. Nov 13, 2012 · Block deck height, piston deck height. 800 = 9. 125 and 9. 4. 20 deck height. Jan 28, 2005 · 109 posts · Joined 2003. 125″ Bore. 00 inches. Iron Eagle small blocks are available in standard (9. 4 inch longer rods all the aftermarket makers sell started from, so you couild use a short deck piston in a tall deck block. Actual deck height can be . Add half the wrist pin bore (0. Piston Compression Height. 2" deck that leaves you with a 6. Fill in any four of the five values to calculate the fifth. If they were all close, there would be no need to "blueprint" an engine. Actual deck height will be . 705"/10. Mar 8, 2014 · Re: Deck Height. You want to aim for . So the answer is Aug 17, 2018 · That is the sum of a 327 crank radius (1. This will certainly make our small block a little more power, improve fuel mileage slightly, and make it snappier with the throttle. Jun 30, 2020 · Small Block ChevyHow to measure piston deck height or in other words, how far is it in the hole? Small Block ChevyHow to measure piston deck height or in other words, how far is it in the hole Dec 21, 2005 · As Carl stated, the "blueprint deck" is 9. 240" finished bore • 4. 9. I am stroking this engine using a 327 crank/327 Rods/307 Rebuilder May 1, 2019 · Block height is the distance between the centerline of the crankshaft and where the cylinder head bolts on. 98”. 500-inch Windsor deck height. 0 deck height or 232516 with a 1. 025". Representative Image. The difference in piston compression height is illustrated here. 005 below the 10. 5:1 with your 307, Pro Comp heads, and flat-top pistons you will need to bore the cylinders +. Comp. the crankshaft, connecting rods, & pistons). 950 for another shop and on a Bowtie 7. The following process was used, as all pistons are in the hole: I set the dial to “zero” on the deck and then moved to the center of the piston along the wrist pin. A piston above deck subtracts from chamber volume, and below Sep 24, 2015 · Im in the early stages of rebuilding my 283 out of a 1964 belair and want to understand a bit more about compression ratio, deck height, compression height etc. 2495. These are short rod (5. 040 (somebody check me here) distance between the piston and the head for best mixture burn and avoiding pinging. The nominal block deck height on a small block Chevy is 9. That will give you a very accurate measurement. by cpmotors » Fri Mar 21, 2014 4:53 pm. 2" deck on a tall deck block. 391-inch raised cam and 0. 06. Sep 24, 2018 · So with a small-block deck height of 9. 125" domes. Early stock SBC 2 hole oil filter adaptor is needed. Therefore, a deck height of 10. Quench should never be less than . For this example, the measurement is 10. I notice that the Chevrolet Big Block Muscle Cars book by Anthony Young shows the 348-409 deck height as 9. Rod Length - The rod length center to center of pin hole and big end in inches. This actually pushed our compression ratio up to 9. 27"piston pin height, + 6. All of which sounds right for that era and motor. 010" taller for additional machining requirements. Cut the block decks to a new block deck height of 9. 325 inches, 0. 00 inches, a compression height of 1. Maximum Stroke Oct 15, 2012 · First, divide the stroke by two and add that to the rod length: 3. A standard deck block will be roughly . 035"-. 038 quench without having to take it off the block. $ 200. 8 cubic inches of volume in a 383s cylinder. 700". 206: 283-350-400: 9. Sep 26, 2018 · A swap to Keith Black hypereutectics, part number KB159KTM-030, complete with rings, 12cc dish, would drop the SCR to 9. Product Q&A. 64: May 29, 2003 · 302 with Boss or Cleveland heads and 8. - 5 7/16" studs. Deck, +. 016 gaskets result in a poor . A taller deck height requires either a custom intake manifold or intake spacers. Between buying the donor block and machine work, you'll be into it for at least $800. 625" minimum Fuel Pump: Mechanical pump provision you would have about 10. 25" Stroke - . Buick nail head: 364 : 3. 025 (and/or you deck the block so it's 9. 480” to . 00 or something) and you need to worry about tolerance variations, and your quench distance. Mar 4, 2007. 025" Deck Thickness:. 030" overbore) using a 3. 008-inch below, Number 2 is only 0. 937: 396-454 MK IV Gen V/VI: 9. 7:1 w/63cc TRW Forged L2324F*8 302 Boss 1970 11. 600: FE Apr 17, 2019 · By adding . 2" deck, standard is 9. I used a magnetic bridge with a dial indicator. Siamese cylinder bores with extra thick walls resist cracking and improve ring seal for more power (minimum . Like. 8". 21" (other than using a 5. 0620-inch pin height, having added material above the pistons top ring groove can mean the difference between failure and success,” McInnis explains. 6. 010" extra. Click image to zoom. 125") equals 10. 480" deck height Dec 31, 2016 · Now you will have a stack of parts that measures 9. 540 to 1. Special Timing gear is required for raised camshaft. I just checked the stroke and got 3. Aluminum blocks are a quick way of getting rid of a lot of weight off your car in one shot, plus you get the performance advantages of the Race Series features. 015". It's good to measure what your block is to start with, that way you can calculate the CR accurately. fiitqgrrqgokoxmnvktj