Twin turbo 4.3 vortec 99 Blazer sport LS
Junior Member
Joined: Feb 2019
Posts: 376
From: Iowa
Are you going to try and stick with the 3:73 gears that you're currently running? You might want to start looking for a 4.3 marine intake setup for it also so the boost won't make havoc with the intake. The plastic will never stand up to boost.
Last edited by eshaw; May 13, 2019 at 07:46 PM.
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