turbojohnny Posted June 13, 2009 Share Posted June 13, 2009 i just picked up a '77 280z from my uncle, he thought it had a bad head gasket because of a sound he heard, but there is no oil in the coolant and no coolant in the oil, the engine makes a sort of a popping noise while it's idling, and even when you rev it, he said there was low compression in 2 of the cylinders, but didn't remember which ones. to me it just sounds like an exhaust leak, like the exhaust manifold gasket might have blown out. i would rather not tear things apart until i had a better idea. i will take a video to post. Quote Link to comment Share on other sites More sharing options...
turbojohnny Posted June 13, 2009 Author Share Posted June 13, 2009 Quote Link to comment Share on other sites More sharing options...
woldson Posted June 14, 2009 Share Posted June 14, 2009 My comments are on your other thread. Quote Link to comment Share on other sites More sharing options...
VQS13LUIS Posted June 25, 2009 Share Posted June 25, 2009 Its a blown head gasket dont look for anything else..They blow out the left side so you wont get any water in the oil .....All you need is a head gasket, intake/exhaust manifold gasket and valve cover gasket.. I would change the head bolts too...thats it.. I would go with felpro..You cant beat the price.and it hold the same as nissan oem gaskets.. 22 psi they blow Quote Link to comment Share on other sites More sharing options...
turbojohnny Posted June 25, 2009 Author Share Posted June 25, 2009 thanks for the info, it just reaffirms what i thought it was, i also bought a rebuilt p90 cylinder head just in case. Quote Link to comment Share on other sites More sharing options...
turbojohnny Posted June 25, 2009 Author Share Posted June 25, 2009 oh yeah, i bought oe nissan gaskets, and arp head studs to replace the old bolts. Quote Link to comment Share on other sites More sharing options...
FlatBlack Posted June 25, 2009 Share Posted June 25, 2009 Its a blown head gasket dont look for anything else..They blow out the left side so you wont get any water in the oil .....All you need is a head gasket, intake/exhaust manifold gasket and valve cover gasket.. I would change the head bolts too...thats it.. I would go with felpro..You cant beat the price.and it hold the same as nissan oem gaskets.. 22 psi they blow Do they really? I heard some members talking about how they prefer the Nissan units because they blow out of the left side as you stated, and the Fel-Pros do not. I put a Fail Pro HG in when I swapped mine out on my F54/P79, but since I am boosting this I am worried about it making a milkshake if it goes. Quote Link to comment Share on other sites More sharing options...
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