What do these numbers mean?

[Shannen Durphey]

The ecm will not come with a memcal.  You'll need to use yours.  Which means
unless there's an actual problem with the current computer you probably won't
see any changes by using the reman.

Shannen

Jens Larsen wrote:
> 
> Okay.... then tomorrow I will call my local handy-dandy parts store and order a
> new computer.  Currently it has a 1277165.  I want it to plug in and run without
> doing anything to it.
> 
> Without making ANY modifications to it is there anything I should buy other than
> the rebuilt 1277165?
> 
> TIA
> 
> ----- Original Message -----
> From: "Marteney, Steven J." <smarteney at xlvision.com>
> To: <gmecm at diy-efi.org>
> Sent: Monday, July 16, 2001 5:18 PM
> Subject: RE: What do these numbers mean?
> 
> > F is NOT for fuel-injection.  F is a 305 TPI (Tuned Port Injection).  Code 8
> > is the 350.  H (at least in 1987) was a CCC (computer controlled carb, 4V
> > Quadrajet) and code E is a TBI 305 (88 and later.)  I believe S is the 2.8L
> > 6cyl MPI motor.
> >
> > HTH, Steve
> >
> > -----Original Message-----
> > From: Jens Larsen [mailto:Jens at jenisys.com]
> > Sent: Monday, July 16, 2001 4:53 PM
> > To: gmecm at diy-efi.org
> > Subject: What do these numbers mean?
> >
> >
> > I have a 305 TPI from a 1986 TransAm. The then engine number is:  2GN207358,
> > but
> > I never saw the car the engine was from so I had no VIN.  I called Pontiac,
> > and
> > they could not cross the engine number to a VIN.  However, the engineer gave
> > me
> > some numbers to make a complete VIN:
> >
> > 1G2FW87F    2GN207358
> >
> > 1 = U.S.
> > G = GM
> > 2 = Pontiac
> > FW = TransAm
> > 87 = hard top (not convertible)
> > F = fuel injection
> >
> > 2 = I was told this is a, "check digit"... "is not important"
> > G = 1986
> > N = Norwood (assembly plant)
> > 207358 is the numerical sequence.
> >
> > I want to purchase a whole rebuilt computer.  My local parts stores are
> > looking
> > for an F, G, or H code.  Some people tell me the 8th digit of the VIN is
> > what
> > they want.  In the case above that would be F.  However....  If  F = fuel
> > injection, why would NAPA say it could be F, G, or H?
> >
> > I have not been asked if it is automatic transmission, or manual, or
> > anything
> > else.  Why, are the automatic and manual computers the same?
> >
> > TIA
> >
> > Jens Larsen
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> >
> 
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