Need edelbrock Pro-Flo wire harness

I have Edelbrock Pro-Flo fuel injection on my '36 Ford and has run well for the last 9 years. However my 355 chev shelled last year so I am having a new 383 built and plan to dyno test it with pro-flo sytem on it.

Problem is that I spent a huge amount of time routing the pro-flo wire harness under the dash and it would be a major pain to remove the whole thing so I could use it for dyno testing. I can remove all the sensors, relays and fuses, but removing the wire harness would be a big hassle and mess. I would do this, but only as a last resort.

My system is the original design #3500 and is 15 years old now. Edelbrock has changed the design and does not sell the old wire harnesses anymore. To switch to the new design is very expensive and my system works fine so it would be a waste of money. So I am looking for a used wire warness (or maybe a whole system if the price its right.) Let me know if you have one to sell or if you have any ideas where to find one. I am on the Edelbrock Pro-Flo users forum and have asked there as well.

-Dave

 

Can you get wire and build one, the various plugs and wire connectors that fit most of that are available. Most you can get at NAPA, still other sources are out there for the rest. JEGS and Summit even sell some of the connectors and plugs. Heck, even Edelbrock might sell them as repair parts for their unit.

 

Excellent suggestion, but even if I found all the connectors that I needed, I would still have to get a wiring diagram from Edelbrock or trace down each wire. Then I would have to cut and crimp on a contact on every wire. This sounds like even more work than removing the wire harness from the car. I would do this if I knew there was a market for these harnesses and I could sell some of them, but not just for this one project.

Thanks again

-Dave

 

Quick note for ya, I have installed several of this system and they work very well irreguardless of some reviews.
It seems like you are tryin to go the long way aroun the barn if you will...
why not install the 383"er in the car and simply run it in on a chassis dyno rather than a static engine dyno....
Edelbrocks tech dept was and I am sure still is not very helpful in their assistance tuning these IE the problem most have are not being solved easily[ or ]at all.
I suggest that you get a new chip burnt[from Edelbrock] for your displacement-Cam specs and Compression ratio and then do the remainder of tuning in chassis....NOTE- [their 5 chips available are not all they can make]
this early unit was the only one I have had any experience with and I ran it successfully on a 10to1comp =/406"[ long rod] motor with a camshaft in the 480 duration range.......exhaust diam of 3" thruout is a strong recommendation here.

 

Thanks, some really good ideas here. I guess I was just focused on getting the engine checked out separately as soon as it was done so I would know if there were any problems I needed to get fixed. Also I would know the output from the engine itself (which is not really necessary)

If the engine builder is ok with it, I don't see a problem waiting a few months before testing the engine out. I have several things I need to do on the car while the engine and trans is out. The upside is that I do not have to worry about the wire harness at all and when the engine is tested it would tested with all the accessories on it. I would also be testing the whole drive train, not just the engine.

The only downside I can think of, is that I would not want to re-assemble the whole front end until I was sure everything was working right. Everything is really packed in there and it is a major job to get the front grille, hood and and fenders on and lined up properly. All this means is that I might have to round up a car trailer to get it to and from the dyno. Probably not a big deal.

As far as the pro-flo system itself. I have had pretty good luck, but I know the tuning could be better and Edelbrock was no help with this. They just gave me general directions, nothing specific I could use. How did you get yours running so good? I have been looking for an expert on pro-flo tuning for a long time and haven't come up with one yet. Who did you talk to if not Edelbrock? Also, who did you talk to about getting custom chips burned (besides the 5 they list)? What is different about these custom chips?

My engine will be a longrod 383 with a short duration (210) and hi lift (.560) roller cam. the idea is to have very good low end torque and efficiency, but have respectable HP as well (approx 375-400).

-Dave

 

I found out that Edelbrock still has some original proflo wire harnesses they can sell for $300. Its a little steep, but at least I would not have to remove my wire harness.

I am still in favor of installing the engine in the car, running it in and make sure it runs ok, then tune it on the chassis dyno. I talked to the dyno operator and he actually preferred to tune the engine with a carb, then switch to the fuel injection and tune it that way. Then actually fine tune it on the chassis dyno later when the car is on the road. sounded like way too much work as far as I am concerned.

-Dave