I have a 97' GMC Sierra K1500. I'm sitting at the stock HP. I want to be around 450-500. I want to know how to do this. Don't tell me to just "do this, this, and this" I want to know why.

Asked by Feb 04, 2015 at 04:09 PM about the 1997 GMC Sierra

Question type: Car Customization

I'd also like to know what gears I
should have in the rear and what
type

3 Answers

11,485

There are many different ways to achieve your target HP it mainly depends on the budget for the project, what you are going to be using it for (reliability) and how much time you have to complete. Give us a little more info so we know what your endgame is. Mud bogger? Show truck? Drag truck? etc. Do you want more power in the future?

11,485

The final axle ratio will also depend on what you want to use the truck for. I would assume that it is an auto, the stock 4L60e tranny will melt. I would upgrade that as well.

1,705

Making more hp is not easy. Many things are involved, cam lift & duration, compression, fuel injectors & intake, & exhaust system, (more- in, & more-out theory), trans shifting programming, ECU chip, etc. like engines 101.

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