TBI questions
Fran and Bud
quest100 at gte.net
Tue Feb 16 05:30:57 GMT 1999
Engraved number is GM 5235231*RPD and on opposite side is 2038 GM.
Identical markings on both injectors.
----------
>From: "Walter Sherwin" <wsherwin at idirect.com>
>To: <diy_efi at efi332.eng.ohio-state.edu>
>Subject: Re: TBI questions
>Date: Tue, Feb 16, 1999, 5:33 AM
>
>Thanks! I checked with my parts guy, and 17087021 was used on an 87-89
>7.4litre (454) code N engine. If you wouldn't mind, what are are the GM
>numbers engraved on the top flats of the injectors? They should be visible
>without having to remove the injectors from the body.
>
>Walt.
>
>
>-----Original Message-----
>From: Fran and Bud <quest100 at gte.net>
>To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
>Date: Friday, February 12, 1999 5:42 PM
>Subject: Re: TBI questions
>
>
>>I have one BBC TBI (2") that I believe is pretty early - had the hot water
>>heated adapter that opened out to match Q-jet manifold. The injectors in
>it
>>are Maroon (Dark Red?) - Lt.(Baby) Blue.
>>
>>Your parts guy may be able to tell what its original application was from
>>the Production Number on the throttle body casting - PN17087021. I have
>>never attempted to find out what it was from.
>>
>>
>>----------
>>>From: "Walter Sherwin" <wsherwin at idirect.com>
>>>To: <diy_efi at efi332.eng.ohio-state.edu>
>>>Subject: Re: TBI questions
>>>Date: Sat, Feb 13, 1999, 2:47 AM
>>>
>>
>>>>>From the archives...
>>>> GM TBI
>>>>There is a color coding on the top of the injector, in the
>>>>center of where the electrical connector goes, that does
>>>>wear off, but is the flow rate code?
>>>> Grn/Wht 305 CID eng about 40 #/hr
>>>> Org/Blk 350 PU about 55 #/hr
>>>> Yel/Brn 350 Cop Car about 65 #/hr
>>>> Blu/Blk Late BBC PU about 80 #/hr
>>>> EarlyBBC PU about 90 #/hr
>>>> Purple??
>>>
>>>
>>>
>>>
>>>Now I am confused. I have two sets of what are supposed (??) to be 80
>#/Hr
>>>BBC TBI injectors, in my hand. One set has blue/black markings, and this
>>>number etched into it, GM17084304RPD. The other set has orange/black
>>>markings, and has this number etched into it, GM5235206*RPD.
>>>
>>>Are these the same? Which one is the 80 BBC injector? Has my parts guy
>>>goofed up? Anyone got some advice?
>>>
>>>
>>>Thanks;
>>>Walt.
>>>
>
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