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DRIVE SHAFT LENGTH
#669812 August 29th 2014 9:36 am
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stranger
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Guys and gals,
My 1991 G30 Conversion van had a US GEAR overdrive unit in it. It was whining a lot. So I pulled it out. I bought a tailshaft housing to replace the OD unit. Now I need a driveshaft.

Does anyone have a G30 1 ton with a 4L80E trans and a 14-bolt axle in their van? If so, I need you to measure the length of your driveshaft from center of yoke to center of yoke. I am going junkin tomorrow to try to find one that will work. Hopefully I'll find a G30 in the yard, but in case I don't I need a length to look for. Thanks for any help!

Ray

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Re: DRIVE SHAFT LENGTH
Ray_Cecil #669834 August 29th 2014 3:04 pm
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No one?

Re: DRIVE SHAFT LENGTH
Ray_Cecil #669934 August 31st 2014 9:10 am
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Well, just to update anyone in the future who reads this. I ended up NOT finding any good drive shafts in any yards. Every van had been lifted with a fork lift and the forks had crushed every drive shaft.

I work for a company that designs assembly line machines. It just so happened that we had a drive shaft machine sitting on the floor about ready to go to the customer. So I fired that baby up with the designer and made my own drive shaft. I used a center to center distance of 62". (That is, center of u-joint cup to center to u-joint cup). This worked out very well. I got a brand new aluminum drive shaft with spicer joints for zero dollars! All I paid for was the u-joints down at autozone. I'll take some pictures later today when I crawl under the van to put a new trans filter and gasket in the 4L80E.

Last edited by Ray_Cecil; August 31st 2014 9:12 am.
Re: DRIVE SHAFT LENGTH
Ray_Cecil #669944 August 31st 2014 10:55 am
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pooh-bah
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you where lucky to have that equipment avalible to you . I normally have to take it to a drive shaft shop and have it made .


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Re: DRIVE SHAFT LENGTH
Ray_Cecil #669950 August 31st 2014 12:40 pm
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I have 2 G30's but the length is 148" WB so my measurement wouldnt help cause I have a 2 pc drive shaft with a carrier bearings.....and the red one has a transfer case at the end of the tranny, so that shaft is different yet....


SUNSHINE VANS-VAN DIEGO
ADRENALIN BY THE GALLON & CHASIN RACIN
ONE FOR THE DIRT & ONE FOR THE STREETS
'93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB
'92 CHEVY G30 454 BEAUVILLE EXT 146" WB
Re: DRIVE SHAFT LENGTH
Ray_Cecil #669952 August 31st 2014 12:49 pm
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Festerus Vannimus
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Sounds like a great little job you did, wish I had access to that kind of machinery. Last shaft I had made cost me $250.00 !


My van : 1989 Ford E-150 Econoline, currently named “WOLF-DEN II”


Founder & President of Sooner or Later United Truckers and PROUD TO BE A S.L.U.T. ! !
Re: DRIVE SHAFT LENGTH
Ray_Cecil #670063 September 02nd 2014 2:07 pm
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Yeah, I haven't taken pictures just yet. I forgot. However, I did get under there to change the trans fluid and filter. THe bottom of the pan was surprisingly clean. The fluid was a little dirty/brown but not bad really.

Also, I put three cans of freon in the A/C system and it started working again. I found a leak in the low side port valve. I didn't have an evac system so I hooked my gauges up to the low side port to stop the leak and am just driving around with the gauges tucked next to the A/C box lol. I'll figure out how to stop it later. For now, i have a/c!


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