4L60E aluminum driveshaft fitment - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Tim240Z · 03-04-2005, 07:58 PM

Sorry if this has been answered a bazillion times, guys....I wish the search feature was working.....
I have sitting in the bed of my 71 Cheyenne a 99 5.7L and 4L60E from a 'burb.
I also have the nice aluminum driveshaft from that same vehicle. Since the 4L is ~2" longer than my TH350, I will have to have my driveshaft shortened anyways. Is there a way to use the one piece aluminum shaft? I appears as though there would need to be some serious surgery to the center mount X-member for this to work.....anyone done this? Would I also have to lower the tranny mounting point to get a better driveshaft angle?
Thanks,
Tim

03-04-2005, 07:58 PM	#1
Tim240Z Senior Member Join Date: Jan 2005 Location: LAX area, So Cal Posts: 499	4L60E aluminum driveshaft fitment Sorry if this has been answered a bazillion times, guys....I wish the search feature was working..... I have sitting in the bed of my 71 Cheyenne a 99 5.7L and 4L60E from a 'burb. I also have the nice aluminum driveshaft from that same vehicle. Since the 4L is ~2" longer than my TH350, I will have to have my driveshaft shortened anyways. Is there a way to use the one piece aluminum shaft? I appears as though there would need to be some serious surgery to the center mount X-member for this to work.....anyone done this? Would I also have to lower the tranny mounting point to get a better driveshaft angle? Thanks, Tim __________________ 1972 Suburban C20 454/TH700R4, eaton-corporate 4.10 (looking for 3.7) Sold: 71 Cheyenne 20 Installed a 99 5.7L L31/4L60E from Suburban 1500 (2005)



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