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  1. Engine & Performance
    My 5.7 350 is smoking white smoke out of the exhaust when I accelerate does any on have any ideas what it might be besides the head gaskets.
  2. Engine & Performance
    I have a '99 GMC 2500 SL chassis cab that had a major fuel problem. Over the last few months I've cleaned out the tank (for the most part - the roof of the inside is still a little crusty), replaced 2 of the fuel lines, blew out the other ones and yesterday installed a new fuel pump. Still it...
  3. General GM Discussions
    I have a 98 Silverado k1500 with a 383 stroker with about 10k-15k miles on the motor. I have a high pressure high volume oil pump. Usually I would have 50 - 60 psi at idle. Around 80 psi at 3k and above RPM. I had recently changed the oil pan gasket, rear main seal, timing cover. No leaks...
1-3 of 3 Results