WebWhen the 351C 2V cylinder heads were installed on an engine with 15% more stroke (15% more displacement), the compression ratio produced by flat-top pistons similar to the 351C 2V pistons was 10.2:1! To get the compression down to a more reasonable level in the 400, Ford engineers developed a piston with reduced compression height and a … WebPiston Top Type: 4V Dome Top Bore: 4.030 Stroke: 3.500 Rod Length: 5.778 Compression Height: 1.668 Compression Ratio (64): 12.95 Compression Ratio (68): 12.22 Compression Ratio (76): 10.99 Dome …
How to Get 700-plus HP on Ford
WebMar 23, 2011 · AlphaCat - '73 XR-7 hardtop, 351C-4V automatic - modified for street/strip Beta Cat - '73 XR-7 hardtop, 351C-4V automatic - stock ... Thanks. The Speed Pro hypereutectic (sp from the guy's auction?) flat-top pistons have a compression height of 1.772". I couldn't find any piston specs on the federalmogul.com website. Will check … WebPistons have a 13.3cc step dish and will yield about 9.3:1 Compression ratio based on a 76cc combustion chamber. 1.710″ Compression height will give a near perfect “0” deck height. Price includes set of 8 pistons & … rsl dawn service
351C 4V special build 11:1+ comp ratio - pistons
WebOct 9, 2007 · Ford also played with the stock piston compression height (C/L of piston pin to top of piston) and resultant deck clearance (top of piston to block deck). '69-'72 have a Compression Height of 1.739 and a deck clearance of .035 (piston down inside the block a full spark plug gap). '73-'76 are 1.769/.028 and '77-up are 1.782/.0145 respectively. WebThe 351W was a stopgap, mid-displacement, V-8 Ford hurried into production to compete with middle-inch Detroit V-8s such as GM’s 350s, Chrysler’s 318 and 340, and AMC’s 343 and 360. This book is all about … WebJan 18, 2002 · Instead I found flat tops. But in 72'the 351 2v was supposed to be 8.6:1. According to the engine specs published by Ford: 1970 351c 2v = 9.5:1. 1971 351c 2v = 9.0:1. 1972 351c 2v = 8.6:1. 1973 351c 2v = 8.5:1. Ford lists the 351c 2v heads for all years as having a CC volume 76.9-79.9. Did they use different pistons for the different CR's. rsl draw 394 results