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I picked up what I thought was the correct Blue Oil Pump O-Ring 12557752 from the Dealership for a 1999 Silverado oil pump pickup tube for my forged 370 build. Once I got home I noticed my pickup tube had a recessed channel with a red stripe for the O-Ring. Should I be using the Red O-Ring on this pickup tube?
I also was thinking, I got a oil pan kit from Summit, and the O-ring is Blue that came with the pan, and the O-ring that came in the stock pump(2002 LQ4) is red, will this cause a oiling problem? Also Im getting a new oil pump for the LQ4 will I need a new O-ring?
Michigan Snowmobiler 1969 Firebird: email@example.com 1/8 1.70 60 ft. 11.7@116[/COLOR] EPS cam 234/246 .602.606 114+3, 6.0 LQ4, L92 heads milled 10.5:1, Ported L76 intake, ported 90mm Holley TB, 100mm MAF, FIC Custom injectors, Hooker LT, PYPES dual exhaust with an X pipe, 4L65e with all of the good parts inside, FTI 4000 RPM Stall, 12 bolt with 3.73 gears. HP Tuner tuned by me
Sorry for bringing back an older thread but before I install the pan on a engine Im swapping into my truck I want to replace the oring. I picked up a oilpan and pickup tube off a new crate ls3 and it has a red o-ring on it. According to the chart above the vette should have the blue even though it only goes up to 08 but I thought the ls3 pans were the same as the ls2 ones. It came with a red oring and has an indent so Im pretty sure that it calls for a red one. The pan is going onto a ly6 which also had a red oring on the stock pickup tube, eventhough the oring is depedant on tube.