Have a 3.4 liter V6 engine that needs one head replaced. We have located a supplier of rebuilt heads but I'm wondering if it's okay to just replace 1 head or if you have to replace both even though one has no problems?
TIA Wormsign
head replacement on toy V6 engine
Dec 10, 2007
1 Replies
One cylinder head to original spec would be fine. Just don't put a tuner modified on one bank and OEM on the other. The ECU can go schizophrenic. Use Fel-Pro Multi-Layer Steel head gasket if available and make sure the cooling system is up to par. At least the rad cap should be one with a spring-loaded vacuum return valve (like a Stant cap instead of a Denso).
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