700R4 & 4L60E Automatic transmissions specialists - ProBuilt
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1. Technical Video 4L60E DVD 1993-2005
2. Technical Video 700R4 DVD 1982-1993
3. TH350, 700R4, 4L60E & 4L65E transmission rear clutch spring compressor tool
4. ATSG rebuild book 700R4/4L60 1987-1993
5. ATSG rebuild books 4L60E


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Pro-Built Automatics

Pro-Built Automatics

700R4 & 4L60E Transmission Specialists

Or if you like you can also contact us via email using the form below.

934 5th Street , Calimesa CA 92320
Attn: Dana - 909-795-1876

 


700R4 & 4L60E Transmission Specialists

If you are interested in building your own Performance transmission, then you have come to the right place. We offer rebuild kits, that give "smooth" part throttle up shifts, firm wide open throttle shifts, and with quicker downshifts.

With over 30 years of experience in Performance transmission building. We have found many solutions to making a Performance transmission do the job correctly for your particular application.

Helping you to make these units hold up (700R4 & 4L60E transmissions), to over 750HP, is what we do very well. With the technical information that we can provide, DVD/VHS videos, ATSG build books, tools for building 700R4/4L60E's, you can build a Heavy Duty or Performance transmission yourself, or with the help of a competent builder.

700R4 & 4L60E Rebuild Kits

 The rebuild kits that we offer come with everything that is needed (& with the latest upgrades) to do the job correctly for your application.

  To get the best results, we highly recommend the Edge or Vigilante, 9.5" torque converters for the 700R4 & 4L60E transmissions, both in terms of performance & longevity.

We also offer the ATSG build books for each transmission rebuild kit, as well as the DVD/VHS videos for most units.

ATSG build BooksThis is the ATSG rebuild book needed to build the following transmissions.


We have been concentrating on the problems of 700R4 & 4L60E, and have come up with some "solid" solutions. When installing the following products

  • Modified version of Trans-Go's Performance Shift kit, offers smooth part throttle & firm WOT shifts
  • Trans-Go's steel front pump rings & matching priming spring for engines going to 5,500rpm & 7,800rpm
  • Trans-Go's high rate forward & 3-4 clutch return springs to prevent centrifugal apply (up to 7,800rpm) that burns 3-4 clutches.
  • 9 Borg Warner Hi-Energy 3-4 clutches (good to 800FWHP)
  • Borg Warner Hi-Energy 2-4 band (good to 800FWHP)
  • Alto Carbon lined extra wide 2-4 band (use when over 800FWHP)
  • GM's heat treated or Beast sunshell
  • HD Steel sleeve for reinforcing the input drum
  • Corvette servo (good to 750FWHP)
  • Sonnax 2nd gear apply servo (use when over 750FWHP) 
  • Trans-Go's vacuum modulator (4L60E)
  • Vigilante 9.5" lockup torque converter
  • Sonnax pinless accumulator for 2nd & 4th with matching spring
  • Sonnax pinless forward accumulator for the 4L60E
 


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