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low95xlt · **Posted:** Fri Dec 16, 2005 5:07 pm

ok got a 454 in my 98, anythign i can do to make it a little more gas freindly? bone stock right now, but leaving to getr a abd and wil lwant better gas mileage when i drive it aftt it returns

Physh1 · **Posted:** Fri Dec 16, 2005 9:36 pm

Headers, a tb spacer, and a cold air intake got me around 2 mpg when I kept my foot out of it but with a BBC it's a hard thing to do. What are you getting now? I got 11 stock and roughly 13 after the above mentioned mods. Everything went back to 11 or so when I dropped on the Whipple.

Cameron

lockone · **Posted:** Mon Dec 19, 2005 12:39 pm

Had about the same as Physh1 on my 97 and got 14 out of it whether I was driving around town or pulling a trailer.

Guilty By Design · **Posted:** Mon Dec 19, 2005 1:21 pm

Do those chips work as well as they say they do? If no improvements in mileage i hear you get some more power at the same mileage.

lockone · **Posted:** Mon Dec 19, 2005 2:08 pm

Yea mine worked real good.

low95xlt · **Posted:** Mon Dec 19, 2005 2:15 pm

ok so airraid Cold air, airraid throttle spacer, who makes a good header and what bout a chip?

lockone · **Posted:** Mon Dec 19, 2005 4:35 pm

Mine had headman headers and the chip was made by a buddy of mine here in TN.

Physh1 · **Posted:** Mon Dec 19, 2005 6:29 pm

I'm running Gibson stainless headers. As for "chips"...handheld tuners really are overpriced junk. For less money you can get a custom tuned PCM and get some real results. Westers PCM, Wait4Me Performance, or Nelson's Performance are the 3 best ones around. Wait4Me and Nelsons have better total packages are they will do upgrades and re tunes when needed for low prices.

Cameron

outlawcrewcab · **Posted:** Mon Dec 19, 2005 9:51 pm

i think im going to try a chip in mine

DragNasty · **Posted:** Mon Dec 19, 2005 10:19 pm

Yeah I have a 350 Vortec in my old skool and Ive got a guy from Daytona that is gonna reprogram my factory computer anyway I want it. He charges like $250 but he knows how to drop unwanted stuff and program it for what you are using the vehicle for.

draggindually · **Posted:** Sun Dec 25, 2005 12:34 pm

the biggest problem is the gear ratio. hard to find highway gears tho.....best i've seen was an odd 3:21 from a 4x4 place for like $300 bux

Physh1 · **Posted:** Sun Dec 25, 2005 7:44 pm

GearVenders overdrive...pricey but good at droppibng RPM...

low95xlt · **Posted:** Sun Dec 25, 2005 8:05 pm

yea but if i am towing do i want to drop rpm though i thought no

DragNasty · **Posted:** Sun Dec 25, 2005 9:51 pm

the higher number gears willl definately help out with towing but will kill you on the open highway. Most duallys come with 4.10, 4.11 gears. I have 4.10 with a 4l80 overdrive and it works out perfect.

draggindually · **Posted:** Sun Dec 25, 2005 10:39 pm

that's my problem. i have 4.10's and i never tow anything (or at least not yet). i need gas mileage cause i do more cruising than towing. i would like to find a 3.42 but haven't found any yet....

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