What's needed for a Bulletproof TH-400
But it should have at least a 34 element sprag, upgraded lighter than stock drum, billet input shaft, an upgrade from 3 intermediate clutches to 4 clutches and an upgrade from 5 to 6 direct clutches. Other little mods like snap rings and tons of other little mods are what sets each builder apart from one another. A company can just throw in the hard parts I have mentioned and a basic overhaul of everything else and send it to you and you'll never know. The good builders do a bunch of little things, tricks that they have learned from other's and by experience that only building transmissions for a long time can do.
When I got my valve-body for my 4l80e in my last car I got it from Jake and just talking with him for the length I did, I would buy anything I needed transmission wise from him, and his specialty is Turbo 400's along with 4L80e's more recently.
Last edited by Fbodyjunkie06; Jan 25, 2012 at 09:45 AM.
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Talk to Lane @ PTC today and he's going to send me a parts list and price.
Anyone use a PTC transmission? I hear there torque converters are top notch.
1- money
2- a good builder
3- the understanding that there is a upkeep factor that needs to be followed.
Its a general statement but if you follow them and the builders recommendation. There is no reason why u can't be successful.





