Subject	why is built engine has lower compression???
Posted by	hawaii2z on November 11, 2006 at 9:26 PM
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Message	I asked this question yesterday, my engine has pistons, poly coated, ported heads. Yesterday ash posted that it should be around 150psi, I tested it last night, and right on spot, but why????, before my stock engine made 165psi with 125k on the odo.
Follow Ups	why is built engine has lower compression??? - hawaii2z 21:26:44 11/11/06 pending milage, the rings my not be fully seated yet. - SpecNATT (Houston) 21:34:12 11/11/06 Also, it could be from the piston design. Ash did my motor - racer2fst 21:53:39 11/11/06 122-127, seems kinda low, but then again i dunno much abuot - Eishozzzz 22:48:47 11/11/06 I had my engine done by SGP winter/spring 2004 - RHulme 22:53:59 11/11/06 my old SGP engine w/ wisecos did 150-160 psi after 12k mi (n/m) - SpecNATT (Houston) 23:31:02 11/11/06 do you have cams? you may have overlap!!! (n/m) - octavian-z 23:06:43 11/11/06 I have stock cams....one of the few things that was'nt - racer2fst 23:46:07 11/11/06 yea with my stock cams I'm in the 176-178psi range for my TT (n/m) - SkiFly01 01:57:10 11/12/06 Mine are JWT 400 cams and springs, (n/m) - RHulme 23:53:43 11/11/06 with cams you will see a little less compression... - octavian-z 00:33:10 11/12/06 I have never seen the test turned over @"full throttle" ... (n/m) - The Devils Z 06:32:33 11/12/06 susposed to do it with throttle open on all cars or on the - SpecNATT (Houston) 10:20:27 11/12/06 gotcha .. .balance tube is always off (n/m) - The Devils Z 17:50:42 11/12/06 Test was done with balance tube off, - RHulme 11:57:58 11/12/06 My original motor from SGP was consistently around - The Devils Z 06:31:08 11/12/06 also keep in mind... - tyler@boostpro.net 20:41:24 11/12/06
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