Compression test came out bad =(
#1
Honda-Tech Member
Thread Starter
Join Date: May 2005
Location: Fremont, CA, united states
Posts: 455
Likes: 0
Received 0 Likes
on
0 Posts
Compression test came out bad =(
I did a compression test about a week ago on my gsr integra
I was about to boost but wanted to check the compression.
it came out
220 170 185 160
not very good numbers
That means it not safe to boost my car right??
What kind of suggestions you guys have for a rebuild deciding my compression on the car to be either
8:1
or
9:1???
Sleeves to use etc.
since my motor is not healthy (because compression test)
Also how much would this affect my 1/4 mile time as of now??
I went i went 15.1 with my integra how its runing now with just exhuast and hi flow cat.
i thought since it ran a alright time the motor was healthy??
So should i have ran better
https://honda-tech.com/zerothread?id=2152872
thanks
I was about to boost but wanted to check the compression.
it came out
220 170 185 160
not very good numbers
That means it not safe to boost my car right??
What kind of suggestions you guys have for a rebuild deciding my compression on the car to be either
8:1
or
9:1???
Sleeves to use etc.
since my motor is not healthy (because compression test)
Also how much would this affect my 1/4 mile time as of now??
I went i went 15.1 with my integra how its runing now with just exhuast and hi flow cat.
i thought since it ran a alright time the motor was healthy??
So should i have ran better
https://honda-tech.com/zerothread?id=2152872
thanks
#2
Honda-Tech Member
Thread Starter
Join Date: May 2005
Location: Fremont, CA, united states
Posts: 455
Likes: 0
Received 0 Likes
on
0 Posts
Re: Compression test came out bad =( (Ricer no 7)
Looking for around a 400 whp
50 trim set up
but now i have to a rebuild
I know the wrong spot to put this sorry
looking to buy
hasport mounts
hondata s300
stage 3 clutch (exedy or act)
type r lsd
for sale
buddy club spec 3 cams (NEW)
short ram intakes
stock gsr sway bar
spring lowering springs
50 trim set up
but now i have to a rebuild
I know the wrong spot to put this sorry
looking to buy
hasport mounts
hondata s300
stage 3 clutch (exedy or act)
type r lsd
for sale
buddy club spec 3 cams (NEW)
short ram intakes
stock gsr sway bar
spring lowering springs
#4
Honda-Tech Member
Re: (tekturbo)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by tekturbo »</TD></TR><TR><TD CLASS="quote">If I were you I would find out whats wrong first, then I would start rebuilding thats just what I would do. Who know maybe its not that serious.</TD></TR></TABLE>
I agree with that. You could just need a valve job. It would be a shame to tear apart a motor that just needed the valve seats cut. do a leak down test on the motor to see where you are losing compession.
I agree with that. You could just need a valve job. It would be a shame to tear apart a motor that just needed the valve seats cut. do a leak down test on the motor to see where you are losing compession.
#5
Honda-Tech Member
Re: Compression test came out bad =( (Ricer no 7)
Did you have it WOT?
Did you crank the same amount of times on each cyl?
Did you disable the fuel / ignition?
Was the motor warm or cold?
What kind of tester did you use?
Did you do the test more than once?
I was a engineering lab technician for 4 years so I always assume there is significant technician error. If the results are indeed below spec - you should do a leakdown test to determine where the loss of compression is coming from.
Did you crank the same amount of times on each cyl?
Did you disable the fuel / ignition?
Was the motor warm or cold?
What kind of tester did you use?
Did you do the test more than once?
I was a engineering lab technician for 4 years so I always assume there is significant technician error. If the results are indeed below spec - you should do a leakdown test to determine where the loss of compression is coming from.
#6
Honda-Tech Member
Thread Starter
Join Date: May 2005
Location: Fremont, CA, united states
Posts: 455
Likes: 0
Received 0 Likes
on
0 Posts
Re: Compression test came out bad =( (Ricer no 7)
sorry for the newb question how is a leak down test done. An how much would it cost?
hehe
thanks
yes i did crank the same amount of times on each cyl
yes fuel was disabled
yes motor was war
no i don't know what tester my mechanic used
and i don't remember if it was on WOT
no didn't do the test more than once
I'm going to run some
sea foam thru my car
and re test next weeek
maybe do a leak down test also
thanks
hehe
thanks
yes i did crank the same amount of times on each cyl
yes fuel was disabled
yes motor was war
no i don't know what tester my mechanic used
and i don't remember if it was on WOT
no didn't do the test more than once
I'm going to run some
sea foam thru my car
and re test next weeek
maybe do a leak down test also
thanks
#7
Junior Member
Searched for leakdown test here
https://honda-tech.com/zerosearch
4 results. The 4th out of 4 was this
https://honda-tech.com/zerothread?id=2164406
https://honda-tech.com/zerosearch
4 results. The 4th out of 4 was this
https://honda-tech.com/zerothread?id=2164406
Trending Topics
#8
Honda-Tech Member
Re: (Juan_Mitosis)
Leakdown will confirm how bad it is. I just put my old gsr in my brothers LS only to find out it was damaged (was boosted to 250whp for 10k miles and had 80k total...)
Compression was 190-180-190-90. Did a leakdown test on the bad cyl and you could feel air coming out the dipstick hole and hear it out the oil fill cap. Breather on the valve cover had some smoke coming out of it at idle.
Pretty sure its a cracked ringland.
Compression was 190-180-190-90. Did a leakdown test on the bad cyl and you could feel air coming out the dipstick hole and hear it out the oil fill cap. Breather on the valve cover had some smoke coming out of it at idle.
Pretty sure its a cracked ringland.
Thread
Thread Starter
Forum
Replies
Last Post
Belarus
Honda Accord (1990 - 2002)
8
04-02-2010 03:01 AM