Chuck Everly

This is not to be confused with the TBI style units. I am interested in hearing any failure or success stories using these.

Dyno Don

iTrader: (7)

Chuck, I'm working on a Holley setup now but it's not completed yet, stay tuned I will post.
Don

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Chronologically challenged. But still alive!
92 CAMARO RS
305 TBI 5/spd
'69 camaro
BB/Lenco
1050 dominators
8.97-150+
Pump gas/no drugs

Hurtin4Hp

I am expecting delivery of my Edelbrock #3500 system this week. I am going to install it on a 400sbc and put in my '86 in place of the V6. Hopefully in a couple of weeks I can report back some good news.

Chuck Everly

That is great news ..... Please keep me posted.

lonsal

iTrader: (2)

OK Don, now tell them the bad news. Not smog legal in a car (at least that's what YOU told me). But if smog check is not a req't in your State then it won't matter. Good luck, Lon.

FastBroker

I have A LOT of experience with the 3500, if you need help... Just post questions here...

Chuck Everly

FastBroker, Tell me more! What is you engine combination as far as heads, cam, cubic inches, exhaust and so on. How well does the 3500 work and how is it to tune? Are you happy with it?

I am thinking of a future project and I am afraid that conventional TPI won't support the flow I am looking for without sticking a ton of money in it. I am not real concerned about emission issues on this car.

Jim85IROC

iTrader: (2)

Chuck, depending on how crazy you want to get, you can come up with your own MPFI system. Recently in 2 different magazines, a 69 camaro was featured with a very impressive system. He used an Edelbrock dual 4bbl manifold and modified a TPI plenum to sit on top of it. Killer. He was making 500+ naturally aspirated horsepower too. It was extremely unique, and obviously very effective.

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The IROC Homepage
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View the restoration of an 85 IROC</A>
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FastBroker

I am not using mine now, on floor because of some other mods/induction system trials.

System is totally programmable on the fly and will work with any combination you can muster. Works quite well and you will be very happy with the system. Be extremely careful about your distributor converion (to a hall-effect steup, end-play has to be within spec) and your wiring (especially ground!) connections. FOLLOW THE DIRECTIONS to the tee, as most people do not. Oh, you have to have at least 3/8" (true ID!!!) line from tanke to pump to EFI and at least 5/16" ID line as return line to tank. I highly recommend checking your fuel line pressure like in the directions to be sure that it is not high, which means restrictive return system, because the fuel pump they supply is no joke.

Tuning the thing is incredibly awesome! That's all I can say about that... TOTAL control over spark/fuel/pump-shot/idle speed. Also, being able to switch from closed-loop to open-loop with a few button pushes is awesome. I used to save open-loop nasty high-performance curve in B and daily driver set-up in A (you'll know what I'm talking about soon enough)

What are you gonna run for a cam? The system is somewhat sensitive to the cam/chip you choose but not a big deal.

Any more questions???

Hurtin4Hp

FastBroker:
I would be interested in any info you could give. It looks like my 3500 will not be shipped to me until sometime next week. How much Hp are you making with yours? I want to put an open element breather on mine, will a drop base element fit? How tall a filter can you run without hood clearance problems on a 3rd gen Camaro? What problems did you run into that you could warn me of?
Thanks,
Dave

Edit:
I just read your previous reply where you did mention a concern of mine about fuel line size. Will the stock supply and return lines on an 86 Camaro be OK?
Thanks again

[This message has been edited by Hurtin4Hp (edited September 14, 2000).]

FastBroker

Sorry to say I did not run the 3500 on my 3rd Gen... On a Jeep Wrangler...

More hints:

I tried 5 different cams to check power and mileage (194/214, 212/222 GM crate motor, 204/214, 214/214, 224/234) and found that the 224/234 was best for POWER. Low-end suffers a little here, guys because that manifold is a pretty big single plane. My heads are pretty ported-up, too... the smaller cams SUCKED like you read about. GM cam ok but too much ADV duration for me. I'd go with a generic (yes, generic cams are ok) 224/234 camshaft(or 234/244 or you aren't worried about low speed torque or have good gears)

Never dynoed or tracked the Wrangler but I have built LOTS of motors over the last 20 years in LOTS of different cars/trucks and have enough dyno vs driveablity experience to say that probabaly making honest 350hp. I had 350cid, about 9.5:1 CR, true 2.5" dual w/2 (now 3) chamber Flowmasters, ported/big valve iron heads (245/195 on flowbench, I think?) and tried Edelbrock Performers, too, w/o any discernable difference.

Making 400+ like Edel claims would be tough but possible but would need 234/244 cam minimum, nice heads (likemine or maybe Performer RPM alum's or equiv) nice exhaust and PATIENCE to get all you can get out of the tuning. As an aside, toms of tuning not really necessary as the system is surprisingly compliant if you match the chip to the cam you got, then go from there...

Any more?



[This message has been edited by FastBroker (edited September 14, 2000).]

Chuck Everly

I have a few different ideas but one of them was the 420hp package that Edelbrock offers. I had that package on my 383 and 355 and really liked it. I thought if I could build the same package but get a little better idle from the 3500 I would be happy.

One other option is a set AFR 190s with some massaging, a roller cam with 220/230 duration and in the 515 or 520 lift and using the 3500. The bottom end will be all forged incase I want to spray it.

Have you seen anyone using nitrous with this type of induction system?

I plan a new Vigilante converter and already have a 3.73 posi rearend.


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88 IROC convertible
So slow it is timed with a sundial

FastBroker

Don't know of anyone sparying w/the 3500 but I am sure it would be cool... Especially if you built-up bosses in the manifoild for the nitrous!

If you wanna go nuts like that, I'd use some good heads, like you suggest, but either use the Performer RPM cam (pretty big cam) or some other similar roller cam that the Edelbrock tech suggests. The reason for this is that the 3500 was dyno tested w/that cam and they have the chip (with fuel and spark tables) to match it perfectly. Will just make for a nice and easy system, they did all the work for you. I helped a friend w/3500 and RPM cam and it had tons of top-end but hurtin a bit down low. Not much more power than with the 224/234 and IMO, I like smaller duration (if you don't get noticeably more power) for driveability. Plus, nitrous will work better with all of these cams, I'm assuming, but I have little NO2 experience...

Hurtin4Hp

FastBroker:
What temperature thermostat would you run with the Edelbrock #3500?
Thanks

FastBroker

I always run 180 thermostats because the 160's don't afford enough piston/cylinder wall expansion to seal properly. Use a 180deg and if too hot, go with one of those "balanced-high-flow" 180's. They really do flow A LOT more coolant. If you have trouble w/180 thermostats, fix cooling problem.

IMO, I think that engine performance with 160vs180 thermostats are more academic than reality and can be taken care of w/custom computer chips.

You gonna run the ProFlo 3500??? I think they are working on the big block RPM vresion, now, FYI...

Cntrvrsy

Cool, info I've been looking 4. I've considered using the 3500 2 replace my TPI. I contacted Edelbrock about getting over 500hp with it and said that the injectors r only good 4 up 2 450hp. But they made it sound as if u can only use their list of camshafts because of the chips they have 4 the system. Fastbroker, is this true? I'm looking 2 drop the 3500 on a 11:1 6" rod 350 or 11:1 stroked 396. American Speed has built 500+hp 383s using the 3500 but I doubt they'll give any info about which cams they used. Also which style distributor is best used? My stock remote coil dist won't work will it? I wouldn't use their pump because the car already has an EFI pump with return line. But there shouldn't be a problem wiring the CPU 2 activate the stock FP relay right?

[This message has been edited by Cntrvrsy (edited September 23, 2000).]

Hurtin4Hp

Cntrvrsy:

As far as the camshaft is concerned, I contacted Edelbrock before ordering my 3500 and they RECOMMENDED that I call Crane to get the best cam for my application. My engine is a 10.7:1 406sb, 6" rods, Edelbrock aluminum heads.
Concerning the distributor, I just finished installing the Hall effect sensor and the shutter wheel in my large cap HEI unit, but the kit comes with everything you would need to install it in a small distributor too. The wiring harness would have to have some slight modifications to it but it would be a snap. Actually, I would have used a small distributor if I already didn't have a new cap, rotor, and coil for my HEI.
I would say that you could reuse your fuel pump if it will pump the required volume for your Hp and the required pressure. I believe the 3500 requires 50PSI, but I need to look at the manual again to be sure. It is somewhere between 49 and 51 PSI anyway. The kit comes with a fuel pump relay but I'm sure using yours wouldn't be a problem.

FastBroker

Make sure your pump has enough flow, man. And, as I said, make sure it's at least 3/8" true internal ID on the feed line and 5/16" on the return. If I were you, I'd drop my fuel tank, pop the sender/pump assembly and make a standard screen/pickup assembly (3/8" tubing) and use the Edelbrock supplied external mount pump (it's pretty nice) and the supplied rubber hose. Also, while in the tank, be sure that there are no restrictions in the return line in there AND be sure that the return line does not dump ANYWHERE near the pickup screen!!!

Don't have to worry about the cam. They will give you a chip that will match close enough BUT I wouldn't go any bigger than Edelbrock recommends (Which would be pretty big cam. You'll only need to make minor tweaks.

As far as 500hp goes, I would bet that the injectors supplied can get you there but if not, could probably boost regulator pressure up 10-20% OR buy some largre injectors, I guess. I think they are 24pph, right??? Can't remember... I think FP was 45psi w/no vacuum and 40psi at idle? can't remember...

I have used both small and large HEI's for my Hall Effect conversion. Seemed to work the same but I used aftermarket ignition module/coil/etc so I stuck with the old Large-cap HEI for less (supposed) arcing because the cap is so big and there is more space between the contacts... Fit ok...

When you gonna start it?