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Mods to Help MPG

A

anks106

New member
So I just bought a GTP, and I love it.. but I don't love the fact that I got it yesterday and am 30 dollars down in gas today.

I have been looking and so far I have found that the powerlog usually improves mileage, as does a WP underdrive pulley, Powertuner/HPtuners obviously allows tuning for mileage, alt rewire mod looks great.

Would the zzp stage 1 voltage booster help, I think I saw someone say it would?

Any ideas of anything else that can be done.. I am trying to keep the rpms down, but anything I can do on top of htat would be highly appreciated.
 


^^ Like he said, do maintenance first. If you want to help mileage and add power, exhaust mods like a downpipe and plog can help. I recently did rockers and my mileage improved. Changing the intake usually helps too. Keep in mind most of the gains (in my experience anyway) only really come in the form of improved highway mileage. City mileage hasn't really changed much for me. So if you don't do much highway driving, you might not see any gains. I don't know if I'd bother with the water pump pulley. :th_twocents:
 
I've already done most of the maintenence mentioned .. that tuning wiki is great. I was just hoping to get some other ideas/feedback.
 


SyntheticShield said:
LOL...thats not a bad idea. I may have to do that and save the 3.4 for the track...
Click to expand...
Trust me, I'm about to do it as well...
I for sure will have a 4.0 pulley for the winter!
No need for all that boost in the snow

We should contact ZZP, try and get a group buy on 4.0" pulleys for the MPS
They would be like, "WTF Power UnAdders"...
Try to get them for like $20/ea shipped
 
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Meemperor said:
we're putting a 4.2" pulley on my friends mom's GTP. mmmm tuned for regular gas and low boost !
Click to expand...

Thats not a bad idea either. Fuel economy goes up with lower octane. That blower sure would look odd with a 4.2" pulley on it though. I guess we are going to have to come up with some belt sizes for the 4.0 and 4.2" pulleys.
 
Honestly, to actually make it worth the money, you would have to drive a ton. Just think how long spending $150 on a downpipe would take to pay off with 2 better mpg...
 


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