Thread: Gm crate engine
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Old 09-21-2022, 10:28 PM   #7
truckster
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Join Date: Jan 2001
Location: Orem, Utah
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Re: Gm crate engine

I have a 98 L31 Vortec with an HT383 cam and 9.5:1 pistons. I'm running a Quadrajet and HEI with 2.5 rams horns for the exhaust manifolds. It scoots pretty well and has plenty of grunt (I've literally pulled stumps with it). In my 72 Blazer with the stock TH350 and NP205 transfer case, 3.73 rear and 33" all-terrain TA radials it will spin the tires a bit if I get on it from a stop and chirp them going into second gear. I've never really tried to do a burnout (I don't like paying for tires) but I have my Z/28 for that...
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