Ka24de compression numbers

Information on the naturally-aspirated KA24E and KA24DE engines.
chrismo240sx
Posts: 490
Joined: Mon Feb 05, 2007 10:57 am
Car: 92 240sx HB
S13 Blacktop
Location: Coram, NY

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i just did a compression check and the results were190180185180 ......the numbers look high but i also thought there wasnt supposed to be a difference of more than 14psi?

Main question is....is the motor fine and strong and will be okay to runa boosted setup as is with 125*** miles?Thanks!


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tramp_drift240
Posts: 4649
Joined: Mon Nov 20, 2006 2:43 pm
Car: 1992 240sx SE Coupe
Location: NoVA
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those do seem kinda high, last time i checked, it was supposed to be 180 from the factory or something. so with that many miles, itd be more normal for the psi to go down rather than up.

as long as you make sure your coolant system and lube system is up to par, you could easily do turbo with a good tune. just dont mess anything up by pushing too much air, too little gas or vice versa.

JJ
Posts: 2
Joined: Mon Nov 26, 2007 12:00 pm

Post

There is only suppose to be a 10 PSI difference between adjacent cylinders. Your numbers look good.


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