compression test results
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Honda-Tech Member
Joined: Sep 2003
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From: Home of the Brawny Man, US
compression test results
did a compression test the other day. i wanna know what ideal numbers would be for a d16z6. i got 180 across + or - 3 psi. whats a new engines numbers? thanks
*edit* it has 128k on it and it wasnt warmed up.
*edit* it has 128k on it and it wasnt warmed up.
Honda-Tech Member
Joined: Oct 2003
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From: www.rideekulo.us
Re: compression test results (kabaroo)
those are great numbers. i don't know what stock is, but i definately agree that +/- 3 is good stuff. especially for a motor with 128k =o)
my C5 did 209, 210, 212, and 211 from 1 to 4.
my C5 did 209, 210, 212, and 211 from 1 to 4.
Honda-Tech Member
Joined: Feb 2003
Posts: 9,820
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From: schooling kids in ny, usa
Re: compression test results (citrEK)
numbers are good- variation between cylinders is practially nothing. i think that u are supposed to have done it on a engine thats warm, but im not sure how much of a deal that is. for reference, i tested my z6 with 130,000 and i got 210,208,205,210. a little on the high side, but the variation wasnt bad at all.
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Honda-Tech Member
Joined: Sep 2003
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From: Home of the Brawny Man, US
Re: compression test results (Hammett)
i dont know how to do a leakdown! any one know the #'s from a brand new engine? im wondering cuz im going turbo some time this winter or if my engine sucks id swap.
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From: Home of the Brawny Man, US
Re: (EGRhatch)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by EGRhatch »</TD></TR><TR><TD CLASS="quote">where did you do the comp. test at???
bump for ya
</TD></TR></TABLE>
i did it at my house, in my driveway.
bump for ya
</TD></TR></TABLE>i did it at my house, in my driveway.
Honda-Tech Member
Joined: May 2003
Posts: 2,622
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From: VA>WA>OR>OK
Re: (kabaroo)
cool i see i thought maybe you had taken it to a shop...
anyways yeah im thinking about doing mine tomorrow same motor... gotta run down to sears and buy the guage though.
the motor was previously turbo'd so i have no clue what numbers will pop up.
anyways yeah im thinking about doing mine tomorrow same motor... gotta run down to sears and buy the guage though.
the motor was previously turbo'd so i have no clue what numbers will pop up.
Junior Member
Joined: Sep 2003
Posts: 987
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From: springboro, oh, USA
Re: (EGRhatch)
compression for Z6 should be 185 +- 25 i do believe. the 185 is for sure though. Mine were 185 +- 2 psi. Sounds like you're good to go for turbo project. Goodluck with it.... 
D Tranny Guru
Joined: Oct 2001
Posts: 8,725
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From: Cincity, OH, USA
Re: compression test results (kabaroo)
air temps below 50 F and cold motor.......155-160 psi
air temps at 65-70 F and cold motor........165-170 psi
engine at temp (165-170 water temp.......175-180 psi
If you got 180 psi on a cold motor, healthy!!!!!!
air temps at 65-70 F and cold motor........165-170 psi
engine at temp (165-170 water temp.......175-180 psi
If you got 180 psi on a cold motor, healthy!!!!!!
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