Ok i have a ls/vtec buit for boost and i did a compression test last night (150 miles on the motor). the test came out 160 dead on, on every cylinder. Does this sound right since the motor isnt done breaking it? Alot of local people tell me the numbers sound fine but one guy that i trust the most tells me they are low and hes scareing me lol. What do you guys think? once the motor is broken it will it go up some more? (still have many miles to go)

 

If all four cylinders are at 160psi that you have nothing to worry about. Some people have 9.1 compression and the compression reads 200psi, some have 9.1 and the compression tester says it's at 160psi. I have 9.1 compression and my compression test said I was at 180psi after the first start and idling the car for 25minutes. It has gone up from now to a little over 190psi. You should have your motor tuned on the street just for the brake in just up to 4500rpm.

 

I have 8.8:1cr on my b16a2 and I showed around 170psi for each cylinder. As long as there close to each other... boost away

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 11psiTurboSI &raquo;</TD></TR><TR><TD CLASS="quote">I have 8.8:1cr on my b16a2 and I showed around 170psi for each cylinder. As long as there close to each other... boost away </TD></TR></TABLE>

told u not to worry trent.

 

on my B16a2 mine were 140 all across the board, my comp was supposed to be 8.7:1 but i think it ended up being 8.5:1