4L60 to 4L80 dyno results
#12
Rear ds shortened 1 7/8", front yolks re-used with a new shaft lengthened 1 7/8". The rubber boot on the front of the transfer case set exactly where I marked it on the slip yolk. I think it cost $225 for both.
#13
11 sec. Truck Mod
iTrader: (12)
x10 thanks for sharing, great info.
I also was wondering how much more power is lost thru the tcase though.
I bet its safe to say the range of power robbed from 60e to 80e thru a 4x4 setup is roughly 20-30 horse.
But its hardly an excuse not to do an 80e when your ready to do a trans !
I also was wondering how much more power is lost thru the tcase though.
I bet its safe to say the range of power robbed from 60e to 80e thru a 4x4 setup is roughly 20-30 horse.
But its hardly an excuse not to do an 80e when your ready to do a trans !
#18
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Join Date: May 2012
Location: Augusta, GA
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So if I swap my 4L60E to a 4L80E, what are some of the things that I need to modify? My truck is a 1500 crew running 3.23 rear with modified 5.3. Thanks for any info.
#19
TECH Addict
iTrader: (7)
if you modify your harness, you will need an 80e segment swap in your pcm to control the trans. if you use a conversion harness, its just plug and play