Big Boy Tranny
Thread Starter
Drifting
Joined: Nov 2003
Posts: 1,539
Likes: 3
From: South al
Big Boy Tranny
Anyone running the 4L80E In there C5? for High Rwhp, Such as 750 , 800 + ? & Where does the 460 Level V from Rpm give out ? ,I thought i would save myself alot of money if i can Get info On how Far this Level V From Rpm can Be Pushed ,Without it hiccuping Breaking Bands,Etc,Sorry i should have been a little more clearer with the Punctuations
Last edited by fsuforever; Nov 15, 2007 at 10:30 AM.
Racer
Joined: Feb 2007
Posts: 328
Likes: 0
From: Orange County California
This is really hard to read....
The 4L80 is a great choice if you plan to keep the overdrive, but it's really heavy and will eat up about 40 hp more than the 4L60.
I personally don't have any experience with RPM's products, but I wouldn't hesitate to purchase one. I plan to upgrade to a stage IV or V down the road myself.
The 4L80 is a great choice if you plan to keep the overdrive, but it's really heavy and will eat up about 40 hp more than the 4L60.
I personally don't have any experience with RPM's products, but I wouldn't hesitate to purchase one. I plan to upgrade to a stage IV or V down the road myself.
Thread Starter
Drifting
Joined: Nov 2003
Posts: 1,539
Likes: 3
From: South al
I am just trying to see if anyone here is running there 480 ,I emailed Rpm & They really think that there 460 Can Handle the Load ,btw it is not a Drag only car,I just dont wanna Spend another 2k On a trans & Have it Break ,I have allready Broke 2 ,the Flt tranny is holding up flawlessly ,some of the Guys On Ls1 tech seem to think there trannys cant Hold up to this kind of power ,& They are opting to Put the 480 in instead
Thread Starter
Drifting
Joined: Nov 2003
Posts: 1,539
Likes: 3
From: South al
Racer
Joined: Jan 2003
Posts: 411
Likes: 1
From: Newhall CA
From an engine and tranny view, can they just bolt up and let the C5 computer control the 4L80E? I mean, outside of the car, is it a no-brainer or are there adapter cables, conversion plates and modules and puke to get?
Reason I ask is: I want to change out the engine in my 1992 K2500 Suburban. It has all the 1-ton hardware, including the 4L80E. I don't want to change anything in the rest of the vehicle. Just want an F-body LS1 w/computer. Would love to be able to use my HP Tuners on my truck
- Colby
Reason I ask is: I want to change out the engine in my 1992 K2500 Suburban. It has all the 1-ton hardware, including the 4L80E. I don't want to change anything in the rest of the vehicle. Just want an F-body LS1 w/computer. Would love to be able to use my HP Tuners on my truck
- Colby
Burning Brakes
Joined: Apr 2007
Posts: 756
Likes: 22
From: OK/FL
The later GMT800 era 4L8xE can be adapted to any smallblock or big block. It sat behind the 6.0L LQ4 and the L18 8.1L. They are physically very different, especially when it comes to mass.
There a bunch of things you can do the 8xE like full manual operation and if you break a modified one, then you've got a good problem to have haha.
There a bunch of things you can do the 8xE like full manual operation and if you break a modified one, then you've got a good problem to have haha.
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