How much RWHP will 4l60E handle Rebuilt!
09-28-2004, 05:38 AM
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How much RWHP will 4l60E handle Rebuilt! Just curious what it will take completely rebuilt. Century has a build that will hold 650 + rwhp. Thats there S2 rebuild. I have there S1 right now and love it. Do you think 750rwhp?
09-28-2004, 10:23 PM
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its really hard to say, but I wonder myself how far someone has pushed a 4L60E.
With a setup (408) like you have listed in your sig I would have to go with a TH350/400 trans. One reason why my car will never have much more power than it does right now. It's my daily driver and I dont want anything but a 4L60E in the car.
With a setup (408) like you have listed in your sig I would have to go with a TH350/400 trans. One reason why my car will never have much more power than it does right now. It's my daily driver and I dont want anything but a 4L60E in the car.
09-30-2004, 08:34 PM
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09-30-2004, 09:43 PM
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yes they will handle them for a few passes, maybe even a few trips to the track, but if you have 850 hp (even at the crank) with a slick, i promiss that 4L60e even if made with titanium, wont last long. i can **** in a box and guarantee it but what do you really have? lol
09-30-2004, 10:21 PM
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Originally Posted by gator's 99TA
you have to be kidding me to tell us that the S/E car has a 4L60e? lol 
imo, i believe anything more than 450 rwhp and you are gonna just wait to cook that tranny.
imo, i believe anything more than 450 rwhp and you are gonna just wait to cook that tranny.
Go here,
BMR Customer car !!!
he has been running 4L60Es since day one,he wants to switch to a TH350 or 400 but hasn't seen the need yet.
No transbrake, and cuts incredible and consistant lights!!!!!
10-01-2004, 08:23 AM
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I think he weights about 3250 if memory serves.
He does about 10 runs a program,sometimes Sat & Sun programs.
He doesns't spend that much time on his tranny,freshens it up a couple times a year.
He had more problems at first I guess before he found the right formula.
More time spent on trying to fine tune the PCM with Ed Wright than on the hardware.
He does about 10 runs a program,sometimes Sat & Sun programs.
He doesns't spend that much time on his tranny,freshens it up a couple times a year.
He had more problems at first I guess before he found the right formula.
More time spent on trying to fine tune the PCM with Ed Wright than on the hardware.
10-01-2004, 02:12 PM
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Originally Posted by gator's 99TA
yes they will handle them for a few passes, maybe even a few trips to the track, but if you have 850 hp (even at the crank) with a slick, i promiss that 4L60e even if made with titanium, wont last long. i can **** in a box and guarantee it but what do you really have? lol
. 
10-01-2004, 07:21 PM
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Originally Posted by timelord
Go here,
BMR Customer car !!!
he has been running 4L60Es since day one,he wants to switch to a TH350 or 400 but hasn't seen the need yet.
No transbrake, and cuts incredible and consistant lights!!!!!
BMR Customer car !!!
he has been running 4L60Es since day one,he wants to switch to a TH350 or 400 but hasn't seen the need yet.
No transbrake, and cuts incredible and consistant lights!!!!!
Why would a company like speed inc advertise something that doesnt handle like they say it would, they dont get reputations like the have by false advertising. Will it last forever, no of course not, but if they say it will hold 850 hp, Ill take their word for it .
10-01-2004, 07:53 PM
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That is when he was still having programing issues with his set up![I guess]
He now runs consistant 10.30s with 1.30 60 ft.
He now runs consistant 10.30s with 1.30 60 ft.
Last edited by timelord; 10-01-2004 at 08:14 PM.
10-01-2004, 10:36 PM
#17
ok well how come so many people are running th400? i mean i guess they are fools to have 500 rwhp and run th400 trannys. all things given, if the 4L60e can survive, the 4L60e car will be quicker and faster (gearing and lock up capability)......
10-01-2004, 11:30 PM
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I offered an information I had,I am not a mechanic.
I will run a 4L60E because I drive 150 miles to and 150 miles from the track every weekend and need the overdrive.My friends set up seems pretty bulletproof so that is why I trust him with my swap.
He runs the 4L60E because it suits his needs,no one is stupid for using one or another transmission.
From what I hear the TH350 is solid,the TH400 is bulletproof but heavier,each chooses the one that best suits ones goals!!!
I will run a 4L60E because I drive 150 miles to and 150 miles from the track every weekend and need the overdrive.My friends set up seems pretty bulletproof so that is why I trust him with my swap.
He runs the 4L60E because it suits his needs,no one is stupid for using one or another transmission.
From what I hear the TH350 is solid,the TH400 is bulletproof but heavier,each chooses the one that best suits ones goals!!!
10-01-2004, 11:33 PM
#19
time lord, i am not questioning your knowledge at all. it just has been said a million times over and over again that the 4L60e wont hold that kind of power. for a street strip car, sure no doubt, as long as you are ready for constant rebuilds. but i look to the fastest cars on a regular basis and they are in the 500+ rwhp range cars in the mid 10s and quicker and hardly any of them run the stock type tranny. so what is the deal?
any input on the speed inc trannys? i have heard of guys killing them fast personally.
any input on the speed inc trannys? i have heard of guys killing them fast personally.