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post #1 of (permalink) Old 02-26-2000, 10:25 AM
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Big Tires Littel Motor

I bought a GMC Jimmy with a bad clutch. I putt 33 inch tires on it and im wondering if i will have a good amount of power in 4-low. Can anyone help it has a 2.8 motor

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post #2 of (permalink) Old 02-26-2000, 01:16 PM
 
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Re: Big Tires Littel Motor

If you have the stock gearing you will never reach its full potential. Granted, in four low you will have some torque and power, but that's all tranny and transfer case gears at that point. You will gain an unprecedented amount of torque and power, even on that 2.8, with the proper axle gearing...

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post #3 of (permalink) Old 02-26-2000, 01:17 PM
 
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Re: Big Tires Littel Motor

Oh, and get a new clutch!!! [img]/wwwthreads_images/icons/wink.gif[/img]

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post #4 of (permalink) Old 02-28-2000, 01:57 PM
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Re: Big Tires Littel Motor

<font color=purple>Is there a 4:1 gearset for that T-case? That'll help off-road (if they're available), but you'll want more gearing if you drive it on the highway.</font color=purple>

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post #5 of (permalink) Old 02-28-2000, 02:28 PM
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Re: Big Tires Littel Motor

I doubt it, the NP207 isn't the first choise of hard core off-roaders. The 2.6:1 ratio shouldn't be bad. I think you said this is going to be a woods truck only right? I don't know how long the NP207 will hold up under constant flogging. 4 high will be totally dead, I bog out in the mud and steep hills with it to the floor.
How did you get 33's under there?

post #6 of (permalink) Old 02-28-2000, 04:07 PM
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Re: Big Tires Littel Motor

They fit got board one day mounted my 33s on camaro rims and stucl them on it didnt even have a lift whay do you ask


post #7 of (permalink) Old 02-28-2000, 07:12 PM
 
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Re: Big Tires Littel Motor

Seriously you fit 33's under a stock height '84 S-sized Jimmy??? Do they rub under compression, full wheel lock, or a combination of these? How well does the front end (like the A-arms, ball joints, CV shafts, R&P, and that type of stuff) seem to be holding up? [img]/wwwthreads_images/icons/wink.gif[/img] On my '85 S15 pickup, my 235/75's fill up the fender wells pretty good...

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post #8 of (permalink) Old 02-29-2000, 03:58 PM
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Re: Big Tires Littel Motor

Im going to have to cut 2-3inchs off the rear fender well and im geting another set of front feners and modifying them i will proply take 4 inches of them. Ase far ase the A-arms, ball joints, CV shafts, R&P go im not really shure i need to put a clutch in befor i can really find out what im going to need to do.

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