Picture of manual transmission crossmember and support - The 1947 - Present Chevrolet & GMC Truck Message Board Network

syncrov69 · 05-04-2009, 09:11 PM

I like to convert my 1971 from th350 to manual 3 speed transmission. Do you have picture of crossmember and support(installed) that I need to make the conversion . Can I reuse my automatic crossmember to support the rear end of the manual transmission? Thank's, François

Tx Firefighter · 05-04-2009, 10:03 PM

No need to convert the crossmember. You can reuse your existing auto trans crossmember and mount under the new standard transmission.

syncrov69 · 05-04-2009, 10:05 PM

you don't have to add crossmember to support the rear of the engine or bell housing?

Tx Firefighter · 05-04-2009, 10:36 PM

Not needed. As a matter of fact, starting in 73, GM went to the rear crossmember only and did away with the bellhousing unit on all trucks.

syncrov69 · 05-05-2009, 05:28 AM

Thank's for the info firefighter!

monte0185 · 05-05-2009, 10:04 AM

Just out of curiosity is there an advantage to switching from the bellhousing crossmember to the auto crossmember? I know the auto crossmember bolts on the tailhousing of the tranny so it should cut down on torque to the carrier bearing. Just thought id pose the question.

05-04-2009, 09:11 PM	#1
syncrov69 Registered User Join Date: Aug 2007 Location: Laval, Québec, Canada Posts: 175	Picture of manual transmission crossmember and support I like to convert my 1971 from th350 to manual 3 speed transmission. Do you have picture of crossmember and support(installed) that I need to make the conversion . Can I reuse my automatic crossmember to support the rear end of the manual transmission? Thank's, François __________________ '71 Custom/10 Deluxe LWB '71 Custom/30 Deluxe Dually

05-04-2009, 10:03 PM	#2
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Picture of manual transmission crossmember and support No need to convert the crossmember. You can reuse your existing auto trans crossmember and mount under the new standard transmission. __________________ I'm on the Instagram- @Gearhead_Kevin

05-04-2009, 10:05 PM	#3
syncrov69 Registered User Join Date: Aug 2007 Location: Laval, Québec, Canada Posts: 175	Re: Picture of manual transmission crossmember and support you don't have to add crossmember to support the rear of the engine or bell housing? __________________ '71 Custom/10 Deluxe LWB '71 Custom/30 Deluxe Dually

05-04-2009, 10:36 PM	#4
Tx Firefighter Watch out for your cornhole ! Join Date: Jun 2003 Location: Azle, Texas Posts: 14,162	Re: Picture of manual transmission crossmember and support Not needed. As a matter of fact, starting in 73, GM went to the rear crossmember only and did away with the bellhousing unit on all trucks. __________________ I'm on the Instagram- @Gearhead_Kevin

05-05-2009, 05:28 AM	#5
syncrov69 Registered User Join Date: Aug 2007 Location: Laval, Québec, Canada Posts: 175	Re: Picture of manual transmission crossmember and support Thank's for the info firefighter! __________________ '71 Custom/10 Deluxe LWB '71 Custom/30 Deluxe Dually

05-05-2009, 10:04 AM	#6
monte0185 Registered User Join Date: Oct 2008 Location: Brighton, TN Posts: 1,267	Re: Picture of manual transmission crossmember and support Just out of curiosity is there an advantage to switching from the bellhousing crossmember to the auto crossmember? I know the auto crossmember bolts on the tailhousing of the tranny so it should cut down on torque to the carrier bearing. Just thought id pose the question. __________________ A computer once beat me at chess, but it was no match for me at kick boxing. Duct tape is like the force. It has a light side, a dark side, and it holds the world together.

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