4L60E - was new bin

[Reid Bishop]

I have a 'TechTran' manual for the 700R4 published by ATSG... it is the
definitive manual for debugging, beefing up, and rebuilding this tranny.  I
purchased it at RPM Transmission (were in Colorado Springs, but moved to
Denver.)  I had little experience (read NONE) with any automatics prior to
rebuilding my '89 700R4.  This book, along with the TransGo kit were
lifesavers.  The result was a nearly flawless transmission that I can be
proud of.

-----Original Message-----
From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
Of Tom Matthews
Sent: Wednesday, December 13, 2000 9:40 PM
To: gmecm at diy-efi.org
Subject: Re: 4L60E - was new bin


Been looking for info on ATSG, all of it is locked up behind membership...
You have any web links to their info on doing trannies? Looking for info on
700's and 200 4r's.
thanks
Tom
----- Original Message -----
From: <KasaRyan at aol.com>
To: <gmecm at diy-efi.org>
Sent: Wednesday, December 13, 2000 7:45 PM
Subject: Re: 4L60E - was new bin


> I just put a pile of money into my 4L60E and learned what needs to be
fixed
> and what doesn't and can help people using this trans so they don't go
thru
> same problems I did.  A great wealth of info is at ATSG.com.
>
> Improved 2/4servo, sonnax boost valve, Transgo shift kit, and slight line
> pressure increase can be done without removing trans for under $90 bucks.
> Also 2 of the sprags need to be replace with later model units.
>
> A warning about jacking up the line pressure in the chip or by using the
B&M
> shift plus - Duty cycle below 25% can lead to insufficient lubrication
with
> stock pump setup and cause the front pump bearing to spin and take the
front
> seal out.
>
> PS - I have a complete 93/94 4L60E, the parts I just mentioned, TC, and a
new
> front bushing I don't have a use for at the moment.  Anyone bored?


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