Engine Reversal and EFI
ARTHUR OKUN
arthurok at ix.netcom.com
Sat Jan 27 07:32:52 GMT 1996
You wrote:
>
>> ~ >If the old transmission was just and overdrive tranny with a
lockup
>> ~ >converter (e.g. 700R4, etc), the wires only control the
converter.
>> ~
>> ~ Don't use a 700R4 (4L60, -E) without the lockup converter!
>> ~ Modifications are necessary to increase cooling or the extra
>> ~ heat generated by the slippage in the converter will burn it
>> ~ up. I think it is ok to run some of the older ones with out
>> ~ lockup - 350-C, etc.
>> ~
>> ~
>> When I posted, I assumed that the swap was not using the 700R4.
>> You are right - run this tranny without converter lockup in
overdrive
>> will toast it in short order.
>
>Hmm. I know of people running 700-R4s without lockup converters, and
they're
>doing fine. actually, one guy started out by using a lockup converter
and fried
>2 (!) trannys. His engine puts out ~420 hp and the converter failed,
trashing
>the tranny. On the 3rd tranny he put in a non-lockup converter and
sofar everything
>is fine.
>
>FWIW
>
>Markus Strobl 96 Z28 6M Black/grph. Borla, !CAGS, PEG2,
QLC
>Dallas, Texas 1LE driveshaft, Honker, T-tops, CD,
leather
>F-member 9/93 14.09 @99.40 - When stock - 27.5mpg
@85mph
>
any "loose" converter generates alot of heat .
does the that tranny have an overdrive switch output if so
just use that to drive a relay to pull in the converter solonoid.
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