LTX and LSX Putting LT1s, LS1s, and their variants into Third Gens is becoming more popular. This board is for those who are doing and have done the swaps so they can discuss all of their technical aspects including repairs, swap info, and performance upgrades.

some useful part numbers for the little things

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Old 04-28-2011, 03:39 PM
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Car: 1987 Trans Am
Engine: LQ9/L92
Transmission: 4L60E
some useful part numbers for the little things

Hey guys,
I know I spent quite some time looking for these for my own purposes, thought maybe my effort could go to some better use for you other swappers in need of the little things


12557752 oil pump seal (always replace when you change pick up tubes)
12570326 GM Cylinder Head Dowel (missing on my shortblock)
12498545 97-03 head bolt set (per head) GM normally sells per bolt
17800568 04+ head bolt set (per head)
12602548 Coolant crossover pipe LS3
12605716 Coolant crossover pipe L92 - using this on the rear of mine
12602540 Coolant Caps (need 2 if your going to block off the rear)
12551933 Coolant Seals, Head (each) - use for sealing crossover pipes
12577927 newest LS6 valley cover (with bolts and gasket included)
12594779 pcv (or lack there of) hose for LS6 valley cover conversion
12610046 6.0/6.2 head gasket (each) - low cost, high quality MLS



hope this makes searching a little easier for some of ya!
Old 04-28-2011, 04:10 PM
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Car: 82 Berlinetta/57 Bel Air
Engine: LS1/LQ4
Transmission: 4L60E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Copied the info to the swap sticky.

Thanks for posting.
Old 04-28-2011, 05:37 PM
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Re: some useful part numbers for the little things

I'll add some:

Bolts through clamshells GM PN:11516940 and the accompanying Hex-Nuts GM PN: 11515744

Last edited by Iroc'nthe87; 04-28-2011 at 06:13 PM.
Old 04-28-2011, 07:02 PM
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Car: camaro sportcoupe
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Re: some useful part numbers for the little things

anyone have ls1 car intake bolt p/n?
Old 04-28-2011, 07:16 PM
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Re: some useful part numbers for the little things

Originally Posted by mw66nova
anyone have ls1 car intake bolt p/n?
Quick google search says "12552344." You can always call up your local dealer and confirm part numbers.
Old 04-28-2011, 07:20 PM
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Re: some useful part numbers for the little things

thanks! i should have thought of that though, lol

does anyone have just ONE bolt layin' around by chance? lol
Old 04-28-2011, 07:45 PM
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Re: some useful part numbers for the little things

The cost of the 17800568 set saves a bunch of money over 10 and 5 per head of the two individual part numbers. Wished I'd have had the number sooner.

Mike
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