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Old 08-24-2008, 12:03 AM   #2
ZL1power69
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Re: 99 Blazer 4dr 4wd engine swap questions

Easiest swap is a 96-00 5.7 Vortec V8. All of the accessories swap to the V8 and minimal wiring modification is needed. You would need a V8 computer or get your 4.3's reflashed. LS motors will fit with a ton of modification.
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