4L80E Tailshaft and Housing Help, Please - The 1947 - Present Chevrolet & GMC Truck Message Board Network

bigdnew · 05-11-2010, 06:18 PM

So I bought a 2005 6.0 and matching 4L80E, but the transmission is a 4WD. The transmission guy says there are several 2wd housings for that model. Which one do I need to convert to a 2wd and work with my '86 swap? Please advise this is the last piece of the puzzle.

Oh one more. If you have a housing and tailshaft laying around I will be more than willing to take it off your hands. Thanks

STOCKISH · 05-11-2010, 09:50 PM

You should use the mainshaft and tailshaft housing from the same year 2wd
4l80e. Any reputable trans shop will swap the mainshaft and housing to convert yours to 2wd from 4wd. Make sure you get the yoke off the driveshaft from the donor vehicle too. The 4l80e driveshaft yoke is expensive and the one from your original trans wont work!

bigdnew · 05-13-2010, 09:15 PM

crap, i didn't know it was going to be this difficult finding these parts. does anyone know anyone who has some old 4l80e transmissions lying around.

05-11-2010, 06:18 PM	#1
bigdnew Never Satisfied Join Date: Sep 2009 Location: Sherman, Texas Posts: 360	4L80E Tailshaft and Housing Help, Please So I bought a 2005 6.0 and matching 4L80E, but the transmission is a 4WD. The transmission guy says there are several 2wd housings for that model. Which one do I need to convert to a 2wd and work with my '86 swap? Please advise this is the last piece of the puzzle. Oh one more. If you have a housing and tailshaft laying around I will be more than willing to take it off your hands. Thanks __________________ 1973 4x4 Blazer- Parting Out 1986 LWB Silverado Undergoing LQ4/4L80E Swap '86 Build Thread:http://67-72chevytrucks.com/vboard/showthread.php?t=390566

05-11-2010, 09:50 PM	#2
STOCKISH Formerly- 1972SuperCheyenne Join Date: Oct 2008 Location: Wake Forest NC Posts: 5,782	Re: 4L80E Tailshaft and Housing Help, Please You should use the mainshaft and tailshaft housing from the same year 2wd 4l80e. Any reputable trans shop will swap the mainshaft and housing to convert yours to 2wd from 4wd. Make sure you get the yoke off the driveshaft from the donor vehicle too. The 4l80e driveshaft yoke is expensive and the one from your original trans wont work! __________________ --Josh My Build Thread:http://67-72chevytrucks.com/vboard/s...d.php?t=799218 A good crossthread is better than Loctite any day. Life is not about what you have, but who you have to share it with.

05-13-2010, 09:15 PM	#3
bigdnew Never Satisfied Join Date: Sep 2009 Location: Sherman, Texas Posts: 360	Re: 4L80E Tailshaft and Housing Help, Please crap, i didn't know it was going to be this difficult finding these parts. does anyone know anyone who has some old 4l80e transmissions lying around. __________________ 1973 4x4 Blazer- Parting Out 1986 LWB Silverado Undergoing LQ4/4L80E Swap '86 Build Thread:http://67-72chevytrucks.com/vboard/showthread.php?t=390566

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