is it gonna fit?

[Jake Kooser]

bummer.

Jake Kooser

> -----Original Message-----
> From: owner-gmecm at diy-efi.org [mailto:owner-gmecm at diy-efi.org]On Behalf
> Of Shannen Durphey
> Sent: Thursday, May 17, 2001 12:44 AM
> To: gmecm at diy-efi.org
> Subject: Re: is it gonna fit?
> 
> 
> The 88 truck would have a THM400 or 4L60.  You would need to 
> score a newer model
> truck for the 4L80E.
> 
> 4L60 transmissions after 86 are generally stronger, but 
> definitely try to get some
> idea as to the condition of the fluid and miles on the trans 
> before buying.  Truck
> transmissions tend to get worked harder.  But you know that.  The 
> ecm would be our
> friend and brother, the 7747.  But the 7747 really likes to be a 
> tbi ecm.  TPI is
> better run with a tpi ecm, and since you're not worried about 
> controlling a 4L80E,
> you can use the 727/730 sd tpi ecm. 
> 
> Fwiw, ymmv, hth.
> 
> cya.
> 
> I mean, see ya.
> Shannen
> 
> Jake Kooser wrote:
> > 
> > Somebody here in South Florida was kind enough to roll their 88 
> 3/4 ton 4X4
> > PU and now is parting it out.  I've got an '85 suburban 3/4 ton 
> 4X4 and I
> > want to swap my TH400 trans for a 4L80E if I can.  Does anybody 
> here know if
> > that truck would have that trans, or would it be the 700R4 
> still?  If it's
> > the 700R4, isn't this after the "fixes" to the early model 
> 700R4 problems?
> > Should I get the transfer case too?  What else would I need to score to
> > control the transmission (assuming 4L80), ECM guys?  And 
> finally, what ECM
> > would be in this truck, and could it be taught to control a Tuned Port
> > engine?
> > 
> > Sorry for the geyser 'O' stupid questions, but just the 
> possibility is like
> > winning the lottery here.  Big Sub like gasoline just a little 
> too much...
> > Especially after coming from an air-cooled VW.
> > 
> > Jake Kooser
> >
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