What do these numbers mean?

[Jens Larsen]

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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