Extended drivelines - Ford Powerstroke Diesel Forum
 
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post #1 of 8 Old 07-27-2013, 09:04 PM Thread Starter
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Extended drivelines

I have an 8" lift on my truck and everywhere i read for 8" lifts they say that you should change out your drivelines or extend them?

I know that my inner spline on the front driveline is barely in there...not enough for me to feel comfortable using my 4 wheel drive for anything serious.

Does anyone know where to go to get new or extended drivelines for the purpose of having an 8" lift or higher?

I guess more specifically, i want to know if there are any companies that sell these as apposed to going down and having a driveline shop custom make one.

any information will be helpful. thank you in advance
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post #2 of 8 Old 07-28-2013, 12:25 AM
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Any custom driveshaft shop will be able to easily lengthen both front and rear shafts, way cheaper than getting any full aftermarket shafts.

As long as everything is in good shape, you'll probably spend 200$ or less per shaft to get them cut, a new tube, and re welded.

I had a rear shaft made from scratch, new everything cv head, u joints, the slip, and the tube Then the front shaft lengthened with all new joints.

All spicer stuff total was 1100$ for both.

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post #3 of 8 Old 07-28-2013, 06:32 PM Thread Starter
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should i also look in to "shimming"? the rear driveline? Not sure if that is the correct term for what im asking...i have heard of the kit before but cant remember the name..basically where the first part of the rear driveline connects to the second part of the driveline, they say that mount should be lowered when you have 8" or more of lift so that it puts less stress on the driveline and creates less wear and tear...does anybody know what "kit" im talking about and where to find them?
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post #4 of 8 Old 07-28-2013, 06:42 PM
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Just clock your transfer case, its what i did and it put my pinion angle and spline engagement back in check

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post #5 of 8 Old 07-28-2013, 06:51 PM
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OP I think you are talking about a carrier bearing shim kit. If so my answer is, that depends.

Single cabs, and extended cab SHORT box trucks have a 1 piece driveshaft so no that's not needed.

If your truck has a 2 piece shaft then yes a carrier shim kit is needed for that much lift.

Ramm, if I understand right you are talking about roatating the Tcase right? That will only affect that front shaft won't it? but hell I wish I had thought of that before I got a custom shaft made for mine.

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post #6 of 8 Old 07-28-2013, 07:25 PM
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Quote:
Originally Posted by schlutzer View Post
OP I think you are talking about a carrier bearing shim kit. If so my answer is, that depends.

Single cabs, and extended cab SHORT box trucks have a 1 piece driveshaft so no that's not needed.

If your truck has a 2 piece shaft then yes a carrier shim kit is needed for that much lift.

Ramm, if I understand right you are talking about roatating the Tcase right? That will only affect that front shaft won't it? but hell I wish I had thought of that before I got a custom shaft made for mine.
Yes sir, it actually helps both, you buy an adapter plate that pushes the t-case out by whatever the thickness of the plate is therefore allowing more spline engagement on the rear shaft and then turning the t-case changes the angle of the front shaft and also pushing it forward allowing more spline engagement

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With the issues fixed a 6.0 can run circles around a 7.3.
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Standard 7.3 mods
SCT tuned
8" Fabtech lift 13" total
5:13 Gears
46" Goodyear MVTs Military takeoffs
Bushwacker Cut-Out Fender Flares
Ranch Hand front and rear bumper
On-board air W/Semi horns

1995 F-350 7.3L E4OD DRW
Standard 7.3 mods
PHP Hydra W/Tony Wildman tunes
160/0 Injectors
T-500 HPOP
E-fuel Conversion
West Coast mirrors
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post #7 of 8 Old 07-28-2013, 10:44 PM
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That's interesting I didn't know anybody actually did that.

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post #8 of 8 Old 07-29-2013, 06:43 AM
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You can "index" your factory transfer case without a plate but it will be too much for only an 8" lift.

http://www.pmfsuspension.com/NP-2712...Ring_p_31.html

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