WebSep 23, 2015 · The .030 indicates that they are .030 over stock so if they measure 4.124 they are .030 over 396 pistons, if they measure 4.280 they are 427 pistons. if they are .030 396 … WebAug 13, 2003 · Joined Oct 23, 2002. 11,400 Posts. #2 · Aug 13, 2003. these pistons are TRW`s, they have a dome of .100. They would have around a 9.7:1 compression ratio or …
dome piston id. l2304 030 Hot Rod Forum
WebFeb 17, 2024 · gregb said: Oval track and Racing w/5.7" rod and stock stroke. Comp ratio with 57cc head-14.0, with 64cc head-12.5, with 68cc head-11.8, with 76cc head-10.7, that's with .005 deck clearance and .039 compressed gasket, according to TRW circa 1989. The 2457 number is for cyls 1,4,5,8. 2458 for the rest obviously. WebOct 19, 2009 · Joined Oct 1, 2009. 186 Posts. Discussion Starter · #1 · Oct 18, 2009. Hi Guys, Anyone out there with old TRW catalog .....my 402 BB has TRW pistons number L2239N.030 pistons in it. I am trying to find out what the CV is. I am going to run 3919840 heads Closed 107 cc. Trying to find out if I use a 60 thousand compressed head gasket if I can ... high % gov bonds
TRW L2325 Set Pistons - Pistonringro
WebJan 14, 2010 · Looked it up, this is a 12.5cc dish forged piston for a stock short 5.565" rod 400 SBC, listed as 9.25-1 compression with 64cc heads. Uses standard 5/64", 5/64", 3/16" ring package. Can be used with a 350 crank and 5.7" rods in a 400 block to make a 377 also. These pistons are quite heavy, 620 grams. WebPart Number Available Sizes Ring Pack Description Compression Ratio AMC 401 50.6cc 56.5cc 58.0cc 58.6cc L2380NF 30, 40 5/64-5/64-3/16 .170" Dish 10.56 9.95 9.81 9.76 … WebPiston Set - 1985 Chevrolet K30 4.8L (P1517(6).L2328) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name high gothic script