Feasibility of Hydra -Matic 8L90 (M5U) on C6
04-10-2016, 07:00 AM
#22
Instructor
Hey man if ur still interested in a 8l90 I have one for sale
CF member Pumba has installed a C7 manual transmission on his C5 with great results.
I am exploring the idea of coupling the new 8L90 (if and when available for sale) to replace my 08 6L80E.
Mind you, I am very pleased the way the standard AT handles the 600HPFW but I am heading to the 850ish level and basically I am looking for an improved packaged transmission system that would handle the new HP and TQ.
8l90 reads as an opportunity to me but I'd like a take from transmission experts as to whether this upgrade is remotely possible.
Besides the obvious dimensioning and coupling issues I suppose there are also electronic compatibility issues to tackle and I realize everything has a cost.
So is this a reasonable course of action at a reasonable budget?
Thanks!
I am exploring the idea of coupling the new 8L90 (if and when available for sale) to replace my 08 6L80E.
Mind you, I am very pleased the way the standard AT handles the 600HPFW but I am heading to the 850ish level and basically I am looking for an improved packaged transmission system that would handle the new HP and TQ.
8l90 reads as an opportunity to me but I'd like a take from transmission experts as to whether this upgrade is remotely possible.
Besides the obvious dimensioning and coupling issues I suppose there are also electronic compatibility issues to tackle and I realize everything has a cost.
So is this a reasonable course of action at a reasonable budget?
Thanks!
04-10-2016, 09:36 AM
#23
Team Owner
The electronics will be the tough part. And now with the 10 speed coming out, the 8 speed will be the bastard child. I bet all the support goes towards the 10 speed since that is what will be used for the next 5-6 years compared to tranny that was used for 1-2 years.
12-04-2017, 04:25 PM
#24
USShift.com reports that they may be working on a tcm for this transmission for 2018.
They have the controllers for the Ford 6 speed out now, and say they are considering the GM transmission in the near future. If/When the new 10 speed comes out that is used by Ford and GM, maybe we can see something for that as well.
http://www.usshift.com/usq6.shtml
They have the controllers for the Ford 6 speed out now, and say they are considering the GM transmission in the near future. If/When the new 10 speed comes out that is used by Ford and GM, maybe we can see something for that as well.
http://www.usshift.com/usq6.shtml
12-07-2017, 01:01 AM
#25
Safety Car
Thread Starter
Great Update!
Thanks FNBADAZ06
02-02-2022, 02:13 PM
#27
02-03-2022, 01:42 PM
#28
Safety Car
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I see this is a pretty old thread, but correct me if im wrong, the 8l90 has proved itself to be not that reliable right? where as the 6l80 is still a solid performer especially when built. Seems like a major waste of money when theirs other options with way less headaches (built 4l80 or 6l80)... Aside from the extra gears (which really isnt that much of a benefit, if anything could be a hindrance) I cant really see the point.
