Got my compression test results today. 164, 162, 162 and 154. 40k on the engine, plan on installing turbo (HRC stage 2)in a few months. Should I bite the bullet and rebuild the engine or am I kosher?
#64872, "RE: Compresstion test results" In response to Reply # 0
You only have 40k on the engine and your numbers are that low? Well, if I were you I'd go ahead and rebuild first unless you have a second car on hand if your motor blows.
nothing like driving with the windows down and the music low: i love hearing the turbo spool, swwwhhhttt!!!! thanks for www.kaptainmyke.com for the sig hosting
#64881, "RE: Compresstion test results" In response to Reply # 4
wow those numbers are really low. Thats like the compression for a 4g63. Yours should be close to 200 to be in condition for more power. Try to put in a teaspoon or so of oil in each cylinder and crank it over a few times to see if it is your piston rings loosing compression. Make sure you let the car get up to temp also.
#64903, "RE: Compresstion test results" In response to Reply # 6
Good point on the warm test. I'm not sure. I just dropped it off at Firestone to have some ac work done and I had them do it. I'll have satan do a leakdown test soon. $150 too steep for a leakdown you think?
#64943, "RE: Compresstion test results" In response to Reply # 0
Ok, I did some reading and I am trying to find the problem myself with my limited experiance/knowlege. Should little puffs be comming out of the dipstick tube?
#64944, "RE: Compresstion test results" In response to Reply # 8 Feb-08-04 11:20 AM by Collente
Originally posted by SgtAJ Ok, I did some reading and I am trying to find the problem myself with my limited experiance/knowlege. Should little puffs be comming out of the dipstick tube?
oh damn... You either have a cracked ring land or a horrible head gasket leak. But by the way that all of your numbers a proportionally low, I would say headgasket.
Nick 97RS turbo8u> shut your SUCK ZAO684: NIPPLE warning...maybe>? turbo8u> yea i was a window licker on the short bus in junior high
#64949, "RE: Compresstion test results" In response to Reply # 9
Man, Im gunna drop a bomb on my mechanic if its a broken ring land. I just had this engine installed 2 months ago (hydrolocked, I have bad luck and poor judgement of puddles). Headgasket I can deal with. What do you think the cause of either one may be?
#64960, "RE: Compresstion test results" In response to Reply # 10
Puffs of smoke out of the dipstick and a sure sign of internal failure of some kind. like he said, since your cylinders are ALL low, its most like the HG. id have the mechanic that sourced/installed the engine do it, since he got you a crappy motor. and 150 for a leakdown test is an ass rapeing. you can do it yourself for free, plus the cost of a compression tester and a teaspoon full of oil. if its the HG, LD test wouldnt show any improvements.
1997 Silver RS Wiseco 8.8:1 Pistons(back to low compression!) Eagle Rods T3/T4 Turbo Custom FMIC Greddy Exhaust 390's Most current 1/8th mile time: 8.3@90mph 2.015 60'(Nitto Drag radials, i suck)
#64961, "RE: Compresstion test results" In response to Reply # 11
Originally posted by Nitrous_RS1997 you can do it yourself for free, plus the cost of a compression tester and a teaspoon full of oil.
Yeah, 'cept that's not a leakdown. That's a wet compression test.
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