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  1. Engine & Performance
    Hey guys, ive got to put a new oil pump in my truck and need advice on what to get. Its a 5.3l LM7 (2004) with a cam, ported heads, raised compression, and valve springs. Truck made 455 on the dyno, and it is my daily driver with 140,000 miles and a stock bottom end. It sees regular cold starts...
  2. Engine & Performance
    So ive got a 2011 chevy silverado 5.3L with now 134,000 miles. Ive had it for 1 year and 1 month. First issue back in January was a oil pressure sensor code, changed it out was fine.. few months later check engine light all the codes missfire in cylinder 6, collapsed lifter. Got both banks...
  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