LS1 W/ t56 tranny - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ebber44 · 01-15-2003, 11:56 AM

i want to put a ls1 and a 6 speed in my 71 c10 has anybody done so or know anybody that has done so? My main worry is the transmission how much fab work will i have to do?

MellowYellow70 · 01-15-2003, 12:41 PM

Sounds like a helluva swap. I'd think the tranny crossmember and the tunnel for the floor pan would be the hardest obstacles to overcome, other than the electrical wiring of the ecm. To the top!

HIGH724X4 · 01-15-2003, 01:19 PM

EBBER44 Go to
www.pro-touring.com
There is a lot of people that have done this type of conversion, and someone would be able to help, go to the classified section and look at the forums, don't know about the truck conversions, but them guys know all about the sizes and measurements to get things done right.. Kevin

Tom · 01-15-2003, 04:15 PM

It would be easiest with one of GM's stand alone computer and wiring harnesses for the LS1.
The tranny needs a hydro clutch system, and mods for the crossmememer. Its gona cost you a bundle!

ratrod67 · 01-15-2003, 04:39 PM

You will need custom motor mounts, tranny mount, rig up a way to actuate the hydraulics for the clutch, computer reprogramming( to eliminate VATS among other things), high pressure fuel system with return, new driveshaft length, a million other small details as well. How do I know?

http://www.geocities.com/kobuzz2001/kobuzz20001.html

Myride · 01-15-2003, 08:18 PM

Iwant to see some pic when its done.

01-15-2003, 11:56 AM	#1
ebber44 Registered User Join Date: Jan 2003 Location: corning NY Posts: 14	LS1 W/ t56 tranny i want to put a ls1 and a 6 speed in my 71 c10 has anybody done so or know anybody that has done so? My main worry is the transmission how much fab work will i have to do?

01-15-2003, 12:41 PM	#2
MellowYellow70 Registered User Join Date: Sep 2000 Location: Gower, MO. Posts: 219	123 Sounds like a helluva swap. I'd think the tranny crossmember and the tunnel for the floor pan would be the hardest obstacles to overcome, other than the electrical wiring of the ecm. To the top! __________________ If patience is truely a virtue, Then I am so screwed 1970 Chevy SWB 331 sbc and all the goodies. Under resurection 2001 Vette Last edited by MellowYellow70; 01-15-2003 at 09:24 PM.

01-15-2003, 01:19 PM	#3
HIGH724X4 Registered User Join Date: Nov 2000 Location: LAWRENCEBURG, INDIANA Posts: 298	EBBER44 Go to www.pro-touring.com There is a lot of people that have done this type of conversion, and someone would be able to help, go to the classified section and look at the forums, don't know about the truck conversions, but them guys know all about the sizes and measurements to get things done right.. Kevin __________________ 72 CHEVY FLEETSIDE 4X4 K10 (SOLD TO JAMIE72, BUT BLAZER GAL PULLED AWAY WITH IT LOL!!!) Will Own one Again!!! 1967 CAMARO (PRO-TOURING PROJECT) Lawrenceburg, Indiana.. AOL IM: kbillcad

01-15-2003, 04:15 PM	#4
Tom driving is in my blood Join Date: Dec 1999 Location: Mesa AZ Posts: 5,714	It would be easiest with one of GM's stand alone computer and wiring harnesses for the LS1. The tranny needs a hydro clutch system, and mods for the crossmememer. Its gona cost you a bundle! __________________ -78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle. -98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes. -02 Suburban 4x4: leveled front -CBR600F4i, CBR600RR, CBR1000RR, and standup skis DISCLAIMER: I cant spell for the life of me.

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01-15-2003, 04:39 PM	#5
ratrod67 Registered User Join Date: Sep 2002 Location: DFW Texas Posts: 2,270	You will need custom motor mounts, tranny mount, rig up a way to actuate the hydraulics for the clutch, computer reprogramming( to eliminate VATS among other things), high pressure fuel system with return, new driveshaft length, a million other small details as well. How do I know? http://www.geocities.com/kobuzz2001/kobuzz20001.html

01-15-2003, 08:18 PM	#6
Myride Registered User Join Date: Mar 2002 Location: Pacific Northwest Posts: 292	Iwant to see some pic when its done.



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