How har into your engine have you gone for performance?

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Rollin Thunder

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i really dont want to lose the top end though... i dont want to be on the highway and not be able to pass someone when im moving at 65 or 75... and for that matter, i do a LOT of highways miles so i do not want to lose my highway MPG's

its going to improve both no matter what. These are trucks. Im sure your going to wish for low end way more than top end .
 

tybardy

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as far as driving "fun"... yes low end would be nice

i just dont want to lose 1,2, or 3 highway mpg's by doing do though
 

Rollin Thunder

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as far as driving "fun"... yes low end would be nice

i just dont want to lose 1,2, or 3 highway mpg's by doing do though

Then you shouldnt be preformance modding. Just saying. That no matter what your going to be into it way to much to get good MPG. Hell im supposed to be getting 26 mpg in the vette but the highest I get is 11.X
 

tybardy

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to date, all the mods i have done have proven to add MPG's... i know the cam is going to be a different story though.

just trying to find a happy medium....
 

Max

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Nobody expects a 6000lb suv to get good mileage, I just got about 8mpg chasing down a 3series on I-70 and couldn't be happier about filling up.
 

tybardy

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hahahhaa, yea its one of those things where i realize im not going to be doing my MPG's any help, but i dont want to rob a ton of economy out of the milage to add a nominal amount of power...

This is where i am stuck. I am still trying to find the cam that is right for me, its just taking me forever because i know little about it.
 

undertaker

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um........my 07 2500 sub has a paxton blower on it and makes 537/515
everything else is stock. (on a 6.0 rated 355/385 to start vs. whats available in tahoes/yukons)

as for previous....

my 2000 tahoe has a 502 ramjet crate motor with a 200 shot of nitrous, 4l80 swap and a 14 bolt swap

my vettes are all pretty stupid

my 03 Z was 710/640 with rear mount turbos on a forged 346

my 00 frc is 803/740 with a paxton on a forged 346

my 99 gutted track car is a 427 C5R solid roller that dyno'd around 550/525 but has 10.5 to 1 compression so it can take a 200 shot of nitrous (was originally meant as a track/strip motor and not mainly road race)

the sub was actually meant to be left stock for reliable daily driver/tow rig duty, but my buddies with the vette shop needed a truck do design a blower kit on....
 

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