Re: 84 K10 is still gutless after cam heads intake
If you have 3:08 gears and 33" tires that would kill alot of your power . i have 29" inch tires on my 2wd and went from 3:08 gears to 4:10 and it's like I put a whole new drivetrain in. I would see what you got for gears . With 33 I would think you would want atleast 4:10
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1985 C10
2004 Avalanche
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