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 04-03-2005, 22:12 Post: 109355
Doughboy



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 gas mpg help

I have a 2004 ram 4x4 1500 5.9. I am getting about 12.5 mpg. I was thinking of getting rid of my catalytic converter and running larger duel exhaust. Will this help my mpg?? With gas at 2.15 plus any little increase will help.

I have heard of some people doing this and they got substantial increase. Is this true? Or the urban legend thing?

Thanks for the help






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 04-03-2005, 22:30 Post: 109357
AV8R



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 gas mpg help

A cat back system may help a small %, but it will take many, many miles to pay for itself. Unless they burn diesel, mopars are not known for MPG's.

Do not remove the CAT. Fines are HUGE!

Best bet is to take the money for a fancy 4" exhaust and buy an old beater box that gets big MPG's. (Geo, Jetta, Cavalier, etc.)






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 04-03-2005, 22:34 Post: 109358
Doughboy



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unless its a fed thing. missouri dept of rev said i can go with 18,000 lb plates and not have emmisions






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 04-03-2005, 23:34 Post: 109362
AV8R



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1. Its a Fed thing.
2. 18k GVW gas truck has a CAT too. Look under a gas U-Haul. Everything on the road has Fed emissions minimums. OEM equipment must be intact.
3. 18k plates on a 6500 GVW truck won't fly with the DMV either.






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 04-04-2005, 07:21 Post: 109370
BillMullens

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 gas mpg help

I don't think a less restrictive exhaust system will help your gas mileage. This sounds like something guys will tell their wives to justify the duals. If the exhaust is a limiting point on a given fuel injected vehicle, a less restrictive system will actually make you use more fuel. Gaining extra power has to come from somewhere.

Driving technique is by far the most effective way to get better gas mileage, at least if your truck is in tune, tires up to correct pressure, etc.

I think the Hemi gets better mileage than the 360 did. The 4.7 in my Ram is a little better, but still bad.

Good luck,
Bill






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 04-04-2005, 08:24 Post: 109373
StephenR



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 gas mpg help

I have a '92 Toyota 4x4 pick-up with the fuel injected 4cyl since new. In my single days that's where my money went. I put on a Borla cat back system, a Jacobs mutlti-fire ignition system, and a K&N airfilter. I would like to try a header, but I'm not single any more. The sticker said I would get 22hwy/18city.
At 153,000, I get 24mpg with the cap on and 25mpg with the cap off. And that's with 32x11.5 Goodrich ATs on. This is Summer time mileage, winter is slightly less, about 21/22mpg. From what I've heard, the blend is different in the winter, more questionable enviromental crap.






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 04-04-2005, 09:09 Post: 109375
yooperpete



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I wouldn't spends hundreds of dollars to save pennies. If you are driving the truck and not using it to full capabilities like hauling or towing most of the time, my suggestion would also be to purchase a small fuel efficient vehicle. I have a '99 Grand Am GT that gets about 28 mpg on the highway and has about 100,000 miles on it. This however doesn't work for everyone.

I also mow lawns on the side. Mowing one or two more lawns per week pays for the extra fuel costs. Then you can drive what you want and whenever. That is another method of justification!






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 04-04-2005, 09:25 Post: 109376
Doughboy



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my only thought is that if i could get an extra 2-4 mpg it would pay for its self.






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 04-04-2005, 10:22 Post: 109380
yooperpete



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 gas mpg help

Pop up your tire air pressure to the maximum recommended and consider changing to a road tire slightly higher in diameter and narrower. A slightly larger diameter tire gives you the equivalent of a slightly higher rear end ratio.






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 04-04-2005, 10:23 Post: 109381
Billy

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 gas mpg help

I just bought my wife a work car, because of the skyrocketing gas prices. A $900.00 1995 Geo Metro. Runs like a top and 46 MPG. I figure it will pay for itself in a year, less if current gas prices continue to rise.






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Discussion Boards > Active Subjects > Messages as Posted > Pickup Trucks and Trailers Forum

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AnnBrush 1 | AV8R 4 | BillMullens 1 | Billy 1 | Doughboy 3 | Iowafun 1 | Logan 1 | StephenR 2 | taheide 1 | yooperpete 2 |



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