rear end conversion - The 1947 - Present Chevrolet & GMC Truck Message Board Network

68_c10_on20s · 07-28-2003, 09:41 AM

ok heres the deal a buddy of mine has a almost new 10 bolt 3:42 posi from his 85,my question is this how hard woul it be to convert it to fit into my truck?besides welding in the panhard bar support and moons for the trailing arms?see i have a 3:07 limited slip and it will cost me alot to convert it to posi with new gear and seals posi unit?and here the kicker hes gonna trade me the rear end for a tranny i got laying in my garage...well???? any help has anyone ever done this?...Steve

crazy longhorn · 07-28-2003, 10:09 AM

Here is a kit with saddles & panhard bar/bracket..... http://www.classicperform.com/produc...ersion-Kit.htm good luck,crazyL

68_c10_on20s · 07-28-2003, 11:42 AM

thanks a ton this is exactly what i was lookin for i just ordered it its 139.99 not to bad

Chevyguy111786 · 07-28-2003, 11:54 AM

My neibors got a 1 ton posi from a 91 suburban....would this fit in a 1/2 ton truck?

68_c10_on20s · 07-28-2003, 01:35 PM

i dont really see any reason why it wouldnt but youd have to change out the axles to 5 lug,i guess

1969 GMC · 07-28-2003, 01:43 PM

posi and limited slip are the same thing. i think posi-traction was GM's term for a limited slip in fact.

Chevyguy111786 · 07-28-2003, 01:54 PM

It's a 70 chevy 1/2 ton....so yall think the 91 1 ton posi would fit?

07-28-2003, 09:41 AM	#1
68_c10_on20s Registered User Join Date: Aug 2002 Location: Waxahachie TX Posts: 773	rear end conversion ok heres the deal a buddy of mine has a almost new 10 bolt 3:42 posi from his 85,my question is this how hard woul it be to convert it to fit into my truck?besides welding in the panhard bar support and moons for the trailing arms?see i have a 3:07 limited slip and it will cost me alot to convert it to posi with new gear and seals posi unit?and here the kicker hes gonna trade me the rear end for a tranny i got laying in my garage...well???? any help has anyone ever done this?...Steve __________________ 93 Fleet Budget Build http://s150.photobucket.com/albums/s...zted71/hoopty/

07-28-2003, 10:09 AM	#2
crazy longhorn Fabricate till you "puke" Join Date: Jun 2002 Location: Ill Posts: 9,402	Here is a kit with saddles & panhard bar/bracket..... http://www.classicperform.com/produc...ersion-Kit.htm good luck,crazyL __________________ 69 longhorn,4" chop,3/5 drop, 1/2 ton suspension/disc brakes,1 1/2" body drop,steel tilt clip, 5.3/Edelbrock rpm intake/600 carb, Hooker streetrod shorties,2 1/2" exhaust/ H pipe/50's Flows , 6 spd Richmond trans,12 bolt/ 3.40 gears....

07-28-2003, 11:42 AM	#3
68_c10_on20s Registered User Join Date: Aug 2002 Location: Waxahachie TX Posts: 773	rear end thanks a ton this is exactly what i was lookin for i just ordered it its 139.99 not to bad Attached Images __________________ 93 Fleet Budget Build http://s150.photobucket.com/albums/s...zted71/hoopty/

07-28-2003, 01:35 PM	#5
68_c10_on20s Registered User Join Date: Aug 2002 Location: Waxahachie TX Posts: 773	posi i dont really see any reason why it wouldnt but youd have to change out the axles to 5 lug,i guess __________________ 93 Fleet Budget Build http://s150.photobucket.com/albums/s...zted71/hoopty/

07-28-2003, 01:43 PM	#6
1969 GMC Registered User Join Date: Feb 2003 Location: The Rubber City Posts: 5,498	posi and limited slip are the same thing. i think posi-traction was GM's term for a limited slip in fact. __________________ 1969 GMC K2500 1996 Honda Accord 2007 Kawasaki KLR 650

07-28-2003, 11:54 AM	#4
Chevyguy111786 Registered User Join Date: Apr 2003 Location: Garland, Texas Posts: 1,127	My neibors got a 1 ton posi from a 91 suburban....would this fit in a 1/2 ton truck?

07-28-2003, 01:54 PM	#7
Chevyguy111786 Registered User Join Date: Apr 2003 Location: Garland, Texas Posts: 1,127	It's a 70 chevy 1/2 ton....so yall think the 91 1 ton posi would fit?



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