TIM Z so to do the first combo. The naturally aspirated. What would be a great combo of parts? I say I don't have much of a budget just might take a while to get it together. But I'd like to not do a turbo or blower. I don't know much bout the 5.3s I know a lot more about the older 350s so I appreciate y'all's help

 

No prob bud , we will try to help you

The LS engine family is just so much easier to work on , modify , makes way more power than the older generations of small blocks . You can do some reading on this at your leisure.

Any way with a 5.3 , I like an off the shelf Comp cam , a 212-218 low lift cam , Factory Corvette Z06 valve springs, along with a set of push rods ( prob 7.40) will be a great compliment to your truck , I ran this same cam with turbo and also NA , loved it , great sound at idle , nice to drive around town , and made great power where you can use it .

Now if you have high miles , swap in a set of lifters , get Factory LS7 lifters , also get an LS2 timing chain , and put a fresh water pump on while your doing it .

I would call SDPC , they are a sponsor and will give you all the info and parts in a package for you , I have great experience with dealing and buying from them .

Give us info about your truck so we can help ya more , we need to know mileage , and if everything is working properly and anything you have mod wise currently .

 

A word of advice, The 99's usually have smaller injector. You might find this to be a limiting factor when you start modding.

 

Ok my truck has 161xxx on it. And everything is stock besides the wheels and tires. I'm gonna have 20x12 wheels and 35x12.50 tires. So also what gears would be good with them.