Resources!!

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05 Mar 2012 08:33 #8409 by denhamfly
Resources!! was created by denhamfly
I am looking at changing out my injectors, wiring harness and vacuum hoses. Where would one go to get this items?:eek:

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05 Mar 2012 16:59 #8410 by 928mac
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I am looking at changing out my injectors, wiring harness and vacuum hoses. Where would one go to get this items?:eek:


The first person I would call would be one of our vendors.

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05 Mar 2012 17:31 #8411 by srshaw3
Replied by srshaw3 on topic Resources!!

The first person I would call would be one of our vendors.


I expect any of the vendors can help you on the injectors. I think I recall the use of Ford injectors as a good replacement, but that is only a memory of a post that I wasn't focused on at the time.

A 928er put together a vacuum hose replacement kit, and I bought it from him. I think Roger of 928srus.com took on the kit, with improvement, after the 928er lost interest.

Of course times change, all or no vendors could have both now :)

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06 Mar 2012 08:00 #8415 by denhamfly
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It is a sad day in mud vile when a ford has the same injectors as my Porsche, I will investigate that. Thanks for the info. :(

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06 Mar 2012 10:00 #8420 by 928mac
Replied by 928mac on topic Resources!!

It is a sad day in mud vile when a ford has the same injectors as my Porsche, I will investigate that. Thanks for the info. :(


Hey Oscar; they may even be from the racing division but I'm not sure.
I do know that the 928 group has been doing lots of testing.
I think there are 3 versions.
The biggest and best difference is the 3 hole version. but
I think the last version will slide to far into the intake.
For more info on this I would call Roger at 928rus and talk to him.
BTW we have 19lb injectors. on a stock engine anything more then 24lb will cause over fueling and I think you will still need to retune with the 24lb but I am not sure. Call Roger and ask what the lastest info is on the 3 hole ford injectors and what he recommends.


Brad

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06 Mar 2012 18:45 #8424 by the flying scotsman
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They're not Ford injectors (Bosch IIRC) but made to fit many Ford engines which with the correct Orings fit the intake and fuel rails of the 928.

The benefit over the OEM injectors is $$$$......you can buy all 8 of the Ford version for less than 2 of the OEM.

Also, you should request the 4 hole version which should give a better spray pattern than stock and as Brad mentions they are 19lb.

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06 Mar 2012 22:31 #8426 by 928mac
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Listen to Malcolm as he has first hand experience with them.
my mistake, they are 4 hole.

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07 Mar 2012 07:49 #8427 by denhamfly
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Thanks for the help, you guys are great once you get you holes right!
:p

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08 Mar 2012 20:07 #8436 by smtcapecod
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Careful now.
It is correct that injectors aren't made by the car manufacturers- there are standards for the clips, spray pattern, pintle, etc. So, same injectors may be on a Mitsu and a Honda, or a VW and Audi. There are two impedences, high and low, and IIRC which is about even odds, one is the 'general rule' for asian cars and the other for European....but I could be wrong and it could be old/new.

****One very important point is that 85/86 has a different (higher) flow rate than the S4s.***


Yes, there are injectors spec'd for other applications, including Ford mustangs, that bolt right in.

The improved pintle design provides better atomization of the fuel charge...so the advantage from design is extremely small. However, if one is removing existing somewhat ancient injectors for cleaning to ensure proper flow and properly sealing o-rings, then why not get the technology more up to date at well.

I like mine, obtained from ebay. Five-O injectors has also tuned into the 928 market and Roger is a great source-- and has the correct o-rings for install and the vaccuum kits on hand.

Edit: here's some commentary, pardon the source: forums.rennlist.com/rennforums/4037389-post14.html

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16 Mar 2012 23:00 #8512 by mm928
Replied by mm928 on topic Resources!!
On the wiring harness......good luck. Cheapest I found for my 83 was 600.00. So I had my mechanic friend remove the current one completely and repair it and recover parts with shrink tubing etc. Has run like a top since and was quite a bit cheaper than a new one.

There is a post out there on someone who did just that, just rebuild his.

It can definitely (along with the 14 pin connector which we also replaced) be a source of various issues on our cars.

1983 928S - 16v 4.7L L-Jetronic
Dark Grey w/ Blue Leather
85/86 exhaust manifolds
Y-Pipe
SS Hi-perf Cat
S4 springs
Bilstein shocks
Air pump delete
VIN: WP0JB0926DS861180
- - Isn't Life great? - -

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17 Mar 2012 00:55 #8513 by 928mac
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Failing computers from age and a brittle wiring harness is one of the reasons I installed the tec-4 GT system and harness.
Of course I still had to build the harness and install the engine side ends.

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But it finished up ok

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