Another Compression Topic

Information on the naturally-aspirated KA24E and KA24DE engines.
IHeartRPS13
Posts: 133
Joined: Wed Sep 12, 2007 3:57 pm
Car: Beater 240sx 1990 Buddy Club Spec II

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I did a compression test on my car today and got 165 psi for cyl 1,2,3 and 155 psi for 4. I forgot to relieve the fuel pressure so would that change anything and are the numbers up to par. Trying to figure out why my car is overheating. Replaced hoses, no thermostat. Fan Clutch?

KA24E


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480sx
Posts: 4085
Joined: Sun Nov 12, 2006 5:27 pm
Car: 1996 Pearl White 240sx

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Not relieving the FP wouldnt change a thing. Its just gona get fuel into your tester..

Have you checked to see if your fan works? How does your coolant look?

IHeartRPS13
Posts: 133
Joined: Wed Sep 12, 2007 3:57 pm
Car: Beater 240sx 1990 Buddy Club Spec II

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The fan works, when i come into the city after the highway it starts overheating. coolant flow is fine. I had a clog in the coolant overflow line so i cut it shorter.

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480sx
Posts: 4085
Joined: Sun Nov 12, 2006 5:27 pm
Car: 1996 Pearl White 240sx

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What about your coolant itself? How does it look? If its dirty at all, you most likely have a stopped up radiator.


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