| Re: [GMCnet] What years for EFI Throttle body, and Distributor. [message #324627 is a reply to message #324626] |
Thu, 05 October 2017 16:48  |
emerystora
Messages: 4442
Registered: January 2004
Karma:
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Senior Member |
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I have formatted Randy’s list to make it more easily read and printed and saved it to a pdf file on the GMCmhphotos.com site
Here is the link:
http://www.gmcmhphotos.com/photos/distributors-for-spark-computer-control/p63724-list-of-distributors.html
Emery Stora
77 Kingsley
Frederick, CO
> On Oct 5, 2017, at 11:42 AM, Randy Van Winkle wrote:
>
> BobDunahugh wrote on Tue, 03 October 2017 21:21
>> On the TB. 1987 and up to what year for the Chevy 454? Do all these years run at 14 PSI? The distributor starts at 1983 up to what year? I know
>> the 307 Olds is good. The 350 Olds of the same years would also work? Heading out to the man mall later this week for other items. Bob Dunahugh
>
> Bob,
>
> '87 through '93 had the throttle body that ran at around 13 psi. The '94 and '95 454s had a throttle body (physically looks the same) but ran at
> around 30 psi with smaller pounds per hour injectors. I started with the Holley throttle body at around 17- 18 psi, then went to the 13 psi
> Rochester system and now run the Rochester 30 psi system. Not much noticeable difference between the 3. Seat of the pants tells me that the 30 psi
> is a bit more responsive and perhaps holds power a bit better on long pulls but that is entirely subjective and probably helps me justify making the
> changes. I talk about this stuff all the time so wanted to try the different setups to see if there were significant differences. Can't say that
> there is enough difference to warrant changing. Would like to try the FiTech to see if I thought it made any difference - anyone want to donate
> one? lol
>
> As far as the distributor, I don't see any Olds 350 engines that have the same part number. Here is the list of engines that have the correct part
> number distributor. There are a few smaller engines with this part number (260 cu in): (Sorry it didn't maintain the formatting when I cut and
> pasted but it is readable)
>
> Year(s)
> Make
> Model
> Engine
> 1981-1989
> Buick
> Electra
> [Estate Wagon] V8 - 5.0L vin Y 307ci - GAS OHV
> [Limited] V8 - 5.0L vin Y 307ci - GAS OHV
> [Park Avenue] V8 - 5.0L vin Y 307ci - GAS OHV
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