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LS me

DEEZUZ

NO PUKESTERS
TCG Premium
Nov 20, 2008
82,321
94,407
NWI
5.3 truck block. What are the best budget heads to toss on. I already have a cam, will update specs on it later. Going to delete the DOD, LS7 lifters, most likely ARP the rods. But thats about it for the block itself, it's a 0 mile motor.

What's the best harness to use along with PCM?

I plan on running this setup through a 700r4, I was told I needed just a different flex plate to make that work out. Ideally 6 speed, but that won't be in the funds
 

DEEZUZ

NO PUKESTERS
TCG Premium
Nov 20, 2008
82,321
94,407
NWI
You need a new truck water pump?
IeLxkGf.jpg
 

School Boy

Spray the cubic inch at it!
Mar 28, 2011
6,272
10
I would run a f body pan. The cam is a little big but guys run MS3 cams on 5.3s all the time with good results. 243s on your motor with probably get you around 10-10.5-1. You have a aluminium 5.3 which come with flat top pistons.

Also, i would try really hard to bite the bullet and get a 4l60e. I run the PSI Conversions harness. It fit really well and was good quality for $500. Im also running a 99+ f body PCM. I also ran the truck accessories and they fit like a glove in my mustang.
 
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