Y do you wish you had a M6? Autos are most of the time faster. 
What causes A4's to break?
Well ya there really is no telling how long it lasts, but ive seen them after cams break after just a couple launches. Really there are alot more 60E's that break than don't break im sure. I know a guy thats went through 4 of them. before moving on to a stronger tranny. there truly unpredictable but i dont see it lasting long. Mine started slipping after just 2 launches on the jug.
There's a big difference between launching naturally aspirated and launching on nitrous. The tremendous torque spike from a nitrous hit is what killed your tranny. I wish I had a six speed, lol.
because my car RARELY sees the track and most of my "playing around" is done from a roll, manuals are more fun to drive to me....my camaro is the only auto car I've ever owned. Whoops.....definitely pulled the ol' 
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From: Philly
Originally Posted by 99Hawk262
So my tranny has Corvette servos? Or did that change later?
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From: Dallas, TX
just get a rebuild kit (about 200) and find someone that has rebuilt some, do it on the side (about 300). thats maybe 500 bucks and if you want to make it last. get some upgraded parts. throw about another 300 at it and it will be bullet proof for 90% of us. and you should be able to spin it up to 7800 if you want.
(of course this is from what i have found in recent days)
(of course this is from what i have found in recent days)
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From: Philly
Originally Posted by spanky_55amg
and you should be able to spin it up to 7800 if you want.
7800? not on a 4L60E, not in this lifetime. that thing would have to be built perfectly using all the best parts available. 6800 is a nightmare to stockers. takes them out real quick. i don't care how built the damn thing is, i wouldn't pass 7k in one of them.performabuilt and vince, if you guys are reading this, what's the most you've spun a 4L60E to with no problems? what's the highest rpm you'd trust them spinning to in your best model?
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Well i had a 1975 camaro added a 327 and a 700r4 (same trANS electronic)regularly ran top end races country interstate and we saw 7500 regular if the bushings are tight , lube is good . clearances are min it can be done .The camaro was a solid lift steel crank 327 and yes i know 75 camaros didnt come with them but then they didnt come with 700r4 trans either so it depends on the build and i dont condone street racing (disclaimer)
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From: Philly
Originally Posted by performabuilt
Well i had a 1975 camaro added a 327 and a 700r4 (same trANS electronic)regularly ran top end races country interstate and we saw 7500 regular if the bushings are tight , lube is good . clearances are min it can be done .The camaro was a solid lift steel crank 327 and yes i know 75 camaros didnt come with them but then they didnt come with 700r4 trans either so it depends on the build and i dont condone street racing (disclaimer)
well cant honestly state that only ran the car for a few months and killed the engine and then junked the car , but the trans was fine was installed in another car and as far as i know is still going but the car installed in was not an hi rpm car but a regular street driver.
But at least on a limited scale it proved they will take it ,
But at least on a limited scale it proved they will take it ,
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OK, I think I figured out the RPM theory..... Feel free to correct me if I am wrong, facts only... There is a spring that has something to do with the pump. A stock tranny has a weak spring and thus can cause pressure drop @ higher than 5500 rpm. If you change the spring, you can stop the pressure loss that causes burnt clutches. I have been studying the characteristics of the 4L60E as I will be building my own. This is the 1st tranny that I will be doing, and everything that is going into it will be the best that money can buy. Red Eagle throughout including 9 clutch Z pack, Koline steels, Beast sunshell, GM oem 5 pinion planetary- front and rear, 13 vane pump kit, HD sprag, and anything else that is recommended. It will be topped off with a Vig 3600 nitrous/blower converter and a 28k tranny cooler. The only thing that I am not going to replace is the input/output shafts........
Yes the pump slide spring a ?"brillant idea for economy from gm " is one issue it colapses the pump at High rpm decreasing preasure and volume , We address this in our transmissions , That along with making sure clearance and bushing play are min and theres lots of lube available
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From: Philly
Originally Posted by performabuilt
Yes the pump slide spring a ?"brillant idea for economy from gm " is one issue it colapses the pump at High rpm decreasing preasure and volume , We address this in our transmissions , That along with making sure clearance and bushing play are min and theres lots of lube available
so maybe with an upgraded pump and springs, we can more safely rev our cars to a higher RPM? i'm sure i'm jumping the gun, here, but it's always good to know.
Well it will insure more line at high rpm and better lube so definaley a big help
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Originally Posted by performabuilt
Well it will insure more line at high rpm and better lube so definaley a big help
everything looks good except ditch the low friction kevlar band in favor of a wide high energy or redlined band
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Originally Posted by performabuilt
everything looks good except ditch the low friction kevlar band in favor of a wide high energy or redlined band
Yes thats the kevlar and the only thing I do not suggest ,
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From: Dallas, TX
Originally Posted by ChocoTaco369
7800? not on a 4L60E, not in this lifetime. that thing would have to be built perfectly using all the best parts available. 6800 is a nightmare to stockers. takes them out real quick. i don't care how built the damn thing is, i wouldn't pass 7k in one of them.performabuilt and vince, if you guys are reading this, what's the most you've spun a 4L60E to with no problems? what's the highest rpm you'd trust them spinning to in your best model?
maybe you should read up a bit and not just take everything word of mouth. are you one that jumps on the band wagon of transmissions being rated in hp. torque is what kills anything...anything!
i hate that all these builder give you hp numbers and not torque, why doesnt someone get on their asses about this.
i asked a builder once, "would your 700 hp transmission take the torque of a cam/head, 4400 stall and nitrous?" my answer,"i dont know, buy our top of the line transmission"
so even later on when i drop the stall down to 3500 and put on a turbo, my torque output is going to be more than h/c, stall, n20.