Wow What A Difference

FREAKENHYE · December 8, 2007

I just installed the headers, intake, and Custom 3 inch mandrel bent exhaust, and noticed a big difference with the butt dyno. It pulls hard thru the gears but wish it was a 6speed. Next mods to come custom tune, heads milled to raise compression to 10.5:1 port matching intake/exhaust, 6speed conversion, and a turbo setup.

Hopefully looking at 500RWHP when done with only 8PSI.

2007silveradonbs · December 8, 2007

Why mill the heads and then add a turbo? Why don't you keep the compression down low and then raise boost more?

jrrod2004 · December 8, 2007

good setup, what do you have? 5.3? 6.0?

hubbycap · December 8, 2007

Why mill the heads and then add a turbo? Why don't you keep the compression down low and then raise boost more?

ditto. High compression is accomplished with higher initial intake pressure OR tighter squeeze.

jrrod2004 · December 8, 2007

hmmmmmmmmm. turboooooooooo (sorry) kind of wish I had a turbo

FREAKENHYE · December 8, 2007

Why mill the heads and then add a turbo? Why don't you keep the compression down low and then raise boost more?

I said it wrong. I should have said that i will be milling a second set of heads, and use them untill i get the turbo setup.

FREAKENHYE · December 8, 2007

good setup, what do you have? 5.3? 6.0?

I have the 5.3.

jrrod2004 · December 8, 2007

5.3L should easily put 500HP @ the RW with these mods.....I think the turbo will put more (hope you got an extra set of tires to smoke)

hubbycap · December 8, 2007

Why mill the heads and then add a turbo? Why don't you keep the compression down low and then raise boost more?

I said it wrong. I should have said that i will be milling a second set of heads, and use them untill i get the turbo setup.

Wow! Will a second set of heads be worth that much trouble? The 5.3L is already 9.9:1.

VMax2007 · December 8, 2007

I am not against getting the most out of a stock engine in a truck. But wouldn't it make more sense to go to this extent in a F-body car or Mustang or any car that is designed for it instead of a nearly 6000lb brick?

Even if you get 500 RWHP, you will still lose to just about any V8 car with similar mods.

Just my .02

jrrod2004 · December 8, 2007

will either one of those be able to pull a load? hmmm, just a thought....though I have no idea if the truck would be used to pull anything with these mods.

Schmids5.3l · December 9, 2007

Making a truck fast is more challenging. Anyone can make an Fbody or a Mustang fast. Plus with a truck you can drive thru deep snow, tow stuff, haul a couch in the bed, all kinds of stuff. It's an all in 1 package!!! Besides even if you do put similar mods in one of those cars, there's always someone out there with more mods, whose faster.

Freak did you go with Pacesetters?? What would be much easier than a 6l90 swap would be a T56 swap.

VMax2007 · December 9, 2007

Making a truck fast is more challenging. Anyone can make an Fbody or a Mustang fast. Plus with a truck you can drive thru deep snow, tow stuff, haul a couch in the bed, all kinds of stuff. It's an all in 1 package!!! Besides even if you do put similar mods in one of those cars, there's always someone out there with more mods, whose faster.

Freak did you go with Pacesetters?? What would be much easier than a 6l90 swap would be a T56 swap.

Can't argue that. But I think it'd be much more fun/satisfying getting the most possible performance out of the same mods. The "fun factor" between a 500RWHP car vs a 500RWHP "Brick" would be no comparison IMO.

d**n, I wish my brother-in-law had never let me drive his C6 Vette.