Quote:
Originally Posted by Dieselwrencher
Can a 60e hold 450hp? Is it just a re-pin of the trans harness to run a 80e? I was wondering the same thing as I just got a 5.3/4l60e that I'm putting in my 40 Ford. Plan is to turbo it and aim for 450-500hp. If the 60e is not going to live, I'd rather build the frame to accept a 80 now.
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Totally different case and I would go 80e on any turbo build. The main reason is most people end up wanting to put more power down eventually with the boost bug.
In the end it's more of a question of the torque. At 450 you would most likely be around upper 300-low 400 on tq depending on the cam and right at the limit of a mild to fully built 60-65e. Of course I have seen plenty of built 60s stay together with over 500 ft lbs but just as many come apart. With boost or nitrous the trans takes more of a beating due to the rapid increase in power.
It's pretty much a repin to add the speed sensor and flash to go from a 60 to 80.
I'm sure Clyde will chime in too with some knowledgeable feedback, as I am sure he has done a ton of both transmissions.