4l60 - 4l80 conversions, driveshaft length? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

runpasthefence · 09-19-2008, 01:07 PM

I'm pulling parts together for an LQ4/4L80e swap in my newly acquired 69' short/fleet. I'm coming from a 396/TH400 setup.

I'm trying to cut down on down time for the truck as it's slowly becoming my daily driver. For those who've made the swap, what were the specs on your new driveshaft? What vendor did you use?

Thanks

cdowns · 09-19-2008, 02:01 PM

from past experiences i've learned to install engine and tranny and measure it myself because taking someone elses measurements usually leads to having 2driveshafts built

Longhorn Man · 09-19-2008, 03:53 PM

I have to agree. Unless you are folowing someone else's build toa 'T', then there would be too many variables.

ulakovic22 · 09-19-2008, 05:22 PM

Another question along the same lines. Is the driveshaft he currently has going to be anywhere close to the right length? I would think that as long as the trans mounts in the same location it should be close.

*FormerMember* · 09-19-2008, 05:47 PM

Quote:

Originally Posted by ulakovic22

Another question along the same lines. Is the driveshaft he currently has going to be anywhere close to the right length? I would think that as long as the trans mounts in the same location it should be close.

Will be about 1.5" to 2" too long. I also side with getting installed and measuring.

09-19-2008, 01:07 PM	#1
runpasthefence Registered User Join Date: Sep 2008 Location: Charleston, SC Posts: 159	4l60 - 4l80 conversions, driveshaft length? I'm pulling parts together for an LQ4/4L80e swap in my newly acquired 69' short/fleet. I'm coming from a 396/TH400 setup. I'm trying to cut down on down time for the truck as it's slowly becoming my daily driver. For those who've made the swap, what were the specs on your new driveshaft? What vendor did you use? Thanks

09-19-2008, 02:01 PM	#2
cdowns Senior Member Join Date: Jan 2003 Location: daytonabeach Posts: 22,956	Re: 4l60 - 4l80 conversions, driveshaft length? from past experiences i've learned to install engine and tranny and measure it myself because taking someone elses measurements usually leads to having 2driveshafts built __________________ 71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY

09-19-2008, 03:53 PM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	Re: 4l60 - 4l80 conversions, driveshaft length? I have to agree. Unless you are folowing someone else's build toa 'T', then there would be too many variables.

09-19-2008, 05:22 PM	#4
ulakovic22 Registered User Join Date: Aug 2008 Location: Lantana, TX Posts: 419	Re: 4l60 - 4l80 conversions, driveshaft length? Another question along the same lines. Is the driveshaft he currently has going to be anywhere close to the right length? I would think that as long as the trans mounts in the same location it should be close.



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