Thread: Eight MPG?!
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Old 10-17-2010, 09:16 PM   #11
Number21
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Join Date: Aug 2009
Location: Oregon
Posts: 611
Re: Eight MPG?!

Quote:
Originally Posted by PRattenbury View Post
Put a Cummins 6BT in it, and double your mileage.
I would kill for one of those...even a 4BT...too bad it cost as much as several thousand gallons of gas...

Well, I guess on the plus side there isn't much I can do to this truck that could make the mileage worse, huh? I have been staying real close to 55mph, and I don't see much traffic since I drive in the middle of the night...

I think I'm going to put the tires from my C30 on it for a few days and see how it goes...I don't need tires that big. The 33s have a pretty agressive tread too, it would probably ride alot better with different tires.

Do you guys think having an overdrive trans would make much of a difference? I've always wanted to put one in one of these trucks...but then again I think of how much gas I could just buy instead. 2300 highway RPM doesn't seem too bad...

Now I'm wondering why GM ever put a six or a 305 in these trucks...if the 350 can barely do it. I do have to give it quite a bit of gas to get going, it doesn't feel like it has a lot of power. Guess I'll have to do something about that.
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'73 K20 Cheyenne Super Camper Special 350/TH350/NP205 sittin' on 33's.

You can set my truck on fire and roll it down a hill,
and I still wouldn't trade it for a Coupe de Ville.
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