New to the truck motors... need some 5.3L info(mostly regarding mods)
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I'm in a similar situation (5.3 into an '88 Supra), but something I haven't seen addressed is the wiring harness when using a later (2003 in my case) 5.3 with a cable TB & the LS1 style injectors- I have a damaged wiring harness that came with the motor. My motor still has the electronic TB that I can't use, and the injector plugs are different than the 42LB injectors I want to run. I just bought a 1998 LS1 harness to try out & see if this is more adaptable than the LM7 one.
EDIT
I found out the trucks use Multec-2 type injectors, and the cars use Bosch style. The plugs & bodies of the injectors are different, but with some work they can be swapped.
I'm looking for an LS1 F-body oil pan & related items, and have bought an LS1 manifold, TB & rails and am shopping for injectors.
I did, and I plan to add a single turbo @ 6-8 PSI with a front mount intercooler.
EDIT
I found out the trucks use Multec-2 type injectors, and the cars use Bosch style. The plugs & bodies of the injectors are different, but with some work they can be swapped.
I'm looking for an LS1 F-body oil pan & related items, and have bought an LS1 manifold, TB & rails and am shopping for injectors.
Originally Posted by Silver LT
If you don't already have a copy, "How To Build High-Performance Chevy LS1/LS6 V-8s", by Will Handzel, would be a great reference book for what you are planning on doing.
![Grin](https://www.performancetrucks.net/forums/images/smilies/LS1Tech/gr_grin.gif)
Last edited by V8 Supra Builder; 06-02-2006 at 02:34 AM.
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