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Re: 454 vs 5.3 LS swap 1 ton Crew Cab 4wd opinions
If it were me, I'd build up the 454.
Change out the pistons for some with higher compression (Pretty sure factory was 8:1 on those)
Toss some better heads on it
Cam
Sniper EFI
You'd have yourself a nice runner for probably less than an ls swap. Those ls swaps can nickel and dime a guy to death.
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Mike
Vehicles:
1982 C20
2003 GMC Sierra
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