What is the healthiest compression for the 8?
02-21-2009, 06:13 PM
#1
laulongfei
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What is the healthiest compression for the 8?
Just wondering if I was going to do a compression check, what is the healthy #? 190psi? 200psi?
that way i know when i do need a engine rebuild. thanks
that way i know when i do need a engine rebuild. thanks
02-22-2009, 08:55 PM
#6
Original Turbo 'd Auto !!
try again. chamber pressure not compression ratio. 
When I did mine in Oct it was 127 - 129 front and rear was about the same. It could have been higher, I don't exactly remember. this was on a warm motor that sat for 45 min after a drive. also AP increased injected oil.
and 7.2 kpa or 100 psi = borderline anything below this # = rebuild
When I did mine in Oct it was 127 - 129 front and rear was about the same. It could have been higher, I don't exactly remember. this was on a warm motor that sat for 45 min after a drive. also AP increased injected oil.
and 7.2 kpa or 100 psi = borderline anything below this # = rebuild
02-22-2009, 09:24 PM
#7
3-wheeler
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try again. chamber pressure not compression ratio.
When I did mine in Oct it was 127 - 129 front and rear was about the same. It could have been higher, I don't exactly remember. this was on a warm motor that sat for 45 min after a drive. also AP increased injected oil.
and 7.2 kpa or 100 psi = borderline anything below this # = rebuild
When I did mine in Oct it was 127 - 129 front and rear was about the same. It could have been higher, I don't exactly remember. this was on a warm motor that sat for 45 min after a drive. also AP increased injected oil.
and 7.2 kpa or 100 psi = borderline anything below this # = rebuild
02-22-2009, 09:42 PM
#9
laulongfei
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09Factor thanks for another useful infro! Do you think I should check my compression before turboing my car right?
Which aftermarket makes good rotary blade?
Which aftermarket makes good rotary blade?
Last edited by laulongfei; 02-22-2009 at 09:54 PM.
02-23-2009, 01:01 PM
#10
Original Turbo 'd Auto !!
You will atleast know what you started out with compressions wise.
As for good Apex seals (thats what I'm thining u meant) Dr. Ianetti has some really killer ceramic ones. Widely used in the raceing circut. There is another manufacture that makes semi-flexible ones. Don't remember the name. Someone here did post some info on them.
As for good Apex seals (thats what I'm thining u meant) Dr. Ianetti has some really killer ceramic ones. Widely used in the raceing circut. There is another manufacture that makes semi-flexible ones. Don't remember the name. Someone here did post some info on them.
02-27-2009, 03:33 PM
#11
laulongfei
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Can anyone help me find what website I can purchase a better aftermarket Apex seal, I research online and in this forum, I didn't find anything please help! thanks
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