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Aftermarket Distributor?

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Old Jan 12, 2012 | 07:02 PM
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Default Aftermarket Distributor?

Hey Bros...

Any idea if this aftermarket distributor will work for my '86 'vert?

http://www.ebay.com/itm/290654444796...xp=mtr#vi-desc

Seller says it should, but seems there are not many aftermarket options out there other than DUI...

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Old Jan 12, 2012 | 07:24 PM
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if you have a vacum chamber sitting on the side of yours, yes, btw, yours with a few up grades is as good as if not better than that, you can even get the red parts if needed
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Old Jan 12, 2012 | 08:18 PM
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If your 86 is original, this distributor will not work. You have a computer controlled distributor which apparently this one is not.
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Old Jan 13, 2012 | 09:15 AM
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It looks like an early HEI for mid-70's to early 80's small block Chevy motors. The vacuum advance is not useable. The ad specifically says not for computer-controlled ignition systems.

IMHO, I would question the quality of a $36 complete distributor anyway...
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Old Jan 13, 2012 | 12:09 PM
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Originally Posted by c4cruiser
IMHO, I would question the quality of a $36 complete distributor anyway...



word!
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Old Jan 13, 2012 | 02:17 PM
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Best option is to get a rebuilt (Cardone?) from your local auto parts store. Not very many aftermarket replacements (1 or 2?) and they aren't cheap. MSD is over $300 IIRC.

FWIW, the vette dizzy is unique. It may be the caddy is the only other car that used the same unit. OTOH, if you're willing to do a remote-mount coil, you can emulate F-bodies and add a couple of possible aftermarket intakes to the mix.
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Old Jan 13, 2012 | 04:19 PM
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Originally Posted by oldalaskaman
if you have a vacum chamber sitting on the side of yours, yes, btw, yours with a few up grades is as good as if not better than that, you can even get the red parts if needed
I will look. I hear you...I was just hoping to find more of a drop in replacement. Thank you.
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Old Jan 13, 2012 | 04:20 PM
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Originally Posted by 383vett
If your 86 is original, this distributor will not work. You have a computer controlled distributor which apparently this one is not.
Yes, it's original. I gotcha. Any suggestions for drop in replacement? Seems DUI is about the only one? Thank you.
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Old Jan 13, 2012 | 04:22 PM
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Originally Posted by c4cruiser
It looks like an early HEI for mid-70's to early 80's small block Chevy motors. The vacuum advance is not useable. The ad specifically says not for computer-controlled ignition systems.

IMHO, I would question the quality of a $36 complete distributor anyway...
I remember seeing something in the listing about it being a great upgrade for non-computer controlled vehicles, but did not see that exclusion. I will look again.

True...What would you recommend as a drop in? Any choices other than DUI?
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Old Jan 13, 2012 | 04:23 PM
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Originally Posted by GREGGPENN



word!
Any suggestions for a drop in replacement?
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Old Jan 13, 2012 | 04:25 PM
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Originally Posted by GREGGPENN
Best option is to get a rebuilt (Cardone?) from your local auto parts store. Not very many aftermarket replacements (1 or 2?) and they aren't cheap. MSD is over $300 IIRC.

FWIW, the vette dizzy is unique. It may be the caddy is the only other car that used the same unit. OTOH, if you're willing to do a remote-mount coil, you can emulate F-bodies and add a couple of possible aftermarket intakes to the mix.
I guess you have been down this road before. Not many options here. I was hoping for a quick drop-in replacement that might be a mild upgrade, but looking like DUI or decking out a rebuilt might be the only way to go. Thank you.
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Old Jan 13, 2012 | 05:04 PM
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What is it you are trying to do? Is your distributor needing a rebuild or ??? What if any mods do you have on the motor?

The stock coil will provide more than enough spark for a stock motor and even motors with mild mods like a cam, headers and exhaust.

I would get a good quality cap and rotor with brass contacts like a Taylor, some good plug wires from MSD, Moroso, or Taylor and new plugs.
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Old Jan 13, 2012 | 08:17 PM
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I just spent $319.00 on a new DUI distributor, and guess what?.. Its the same Delco Remy thats stock in our cars from the factory..All they do is add a higher output coil and a high output ICM ..Except for those 2 things its the same distributor that you have right now...Save your money and just keep what you have, add a new coil and ICM for $100.00 if you feel you need to.......Trust Me on this....WW
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Old Jan 14, 2012 | 12:14 AM
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Originally Posted by c4cruiser
What is it you are trying to do? Is your distributor needing a rebuild or ??? What if any mods do you have on the motor?

The stock coil will provide more than enough spark for a stock motor and even motors with mild mods like a cam, headers and exhaust.

I would get a good quality cap and rotor with brass contacts like a Taylor, some good plug wires from MSD, Moroso, or Taylor and new plugs.
Basically, it needs a rebuild, and since I wanted to replace cap, rotor, module, etc., I figured this might be cheaper and easier.

No mods.

I have those parts ready to put in, so kind of over it...but just in case, here's another one I was looking at...

http://www.ebay.com/itm/SBC-CHEVY-La...item5887212999
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Old Jan 14, 2012 | 12:15 AM
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Originally Posted by WW7
I just spent $319.00 on a new DUI distributor, and guess what?.. Its the same Delco Remy thats stock in our cars from the factory..All they do is add a higher output coil and a high output ICM ..Except for those 2 things its the same distributor that you have right now...Save your money and just keep what you have, add a new coil and ICM for $100.00 if you feel you need to.......Trust Me on this....WW
I have heard that...thus the budget replacement. Figured it would be easier, and probably even cheaper, but since I already have the stuff you mentioned, I'll probably go that route. Thanks.
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Old Jan 14, 2012 | 12:33 AM
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Originally Posted by vetteocaster

I have those parts ready to put in, so kind of over it...but just in case, here's another one I was looking at...

http://www.ebay.com/itm/SBC-CHEVY-La...item5887212999
That one won't work either. You need one with an ICM (Ignition Control Module) in it to talk with the ECM. Only "large cap" distributors do that (which this one is not).
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Old Jan 14, 2012 | 12:34 AM
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Originally Posted by vetteocaster
Basically, it needs a rebuild, and since I wanted to replace cap, rotor, module, etc., I figured this might be cheaper and easier.

No mods.

I have those parts ready to put in, so kind of over it...but just in case, here's another one I was looking at...

http://www.ebay.com/itm/SBC-CHEVY-La...item5887212999
That's the f-body unit. Needs an external coil. Suck it up and go buy a rebuild.
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Old Jan 14, 2012 | 10:40 AM
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Originally Posted by GREGGPENN
That's the f-body unit. Needs an external coil. Suck it up and go buy a rebuild.
Get a remanufactured distributor for your '86 Corvette The two units you showed will not work in your car.

A Cardone reman unit (p/n 301869) is $90 from Rockauto (there is a $50 refundable core charge) or an AC Delco unit (p/n D2104 from them for $125 and a $40 refundable core charge.

You should also be able to find these distributors from just about any parts store.

I quickly found a number of flea-bay Cardone distributors specificially for an 86 Corvette here and the listed prices are similar to those above. although the prices include a $50 core charge. Unless you are buying a brand-new distributor expect to pay a core charge and get it back when you return your old unit.

Also these units typically do not come with a coil, module, cap and rotor. As I had mentioned earlier, get good parts for the distributor and you will be good to go.
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Old Jan 23, 2012 | 11:16 AM
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Sorry, but can I add a few more questions?
I have a standard 85 Vette, no mods to the engine (yet). Only things I've done so far is to dress it up, lick of paint, new cam chain and Ali cover, some braided hose, Stainless steel piping and a general clean.
Have asked about a few other upgrades and told to stick with what I have, which I am doing. But one other thing I was looking at was installing a new distributor, maybe an MSD.
Mine does not appear to have anything wrong with it, but while the car is off the road for the jobs I am doing, maybe install one.
BTW, I don't have the spare cash to do a complete upgrade for that extra bit of HP, so have to do things one thing at a time (Got to keep the wife happy at the same time).

Parts are not as readly available here as in the States, so I have to take into account overseas shipping. One day it will die and I will need to find a replacement.
So if I do go for a nice preforming MSD, which one should I go for?
And if you recommendation is to keep it, the responces talk about new coil, cap etc, whats the best here too.

Regards Kevin.

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Old Jan 23, 2012 | 12:56 PM
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Originally Posted by sparcnz
Sorry, but can I add a few more questions? I have a standard 85 Vette, no mods to the engine (yet). Only things I've done so far is to dress it up, lick of paint, new cam chain and Ali cover, some braided hose, Stainless steel piping and a general clean. Have asked about a few other upgrades and told to stick with what I have, which I am doing. But one other thing I was looking at was installing a new distributor, maybe an MSD. Mine does not appear to have anything wrong with it, but while the car is off the road for the jobs I am doing, maybe install one.

BTW, I don't have the spare cash to do a complete upgrade for that extra bit of HP, so have to do things one thing at a time (Got to keep the wife happy at the same time).

Parts are not as readly available here as in the States, so I have to take into account overseas shipping. One day it will die and I will need to find a replacement.

So if I do go for a nice preforming MSD, which one should I go for?
And if you recommendation is to keep it, the responses talk about new coil, cap etc, whats the best here too.
You need to reread this thread and get the message. If/when you need to replace your dizzy, replace it with a stock rebuilt. MSD does, in fact, sell a replacement for our cars. IIRC, it sells in the $300-$400 range. With the exception of the bearings and shaft (which are theoretically designed for high rpm performance (6000rpms and up), it's not going to perform any better than stock.

Some people consider multi-spark add-ons (often made by MSD). They too, are a waste of time.

One thing late 80's Corvette's had that was better than the rest was it's stock distributor system. It had a clean, built-in coil, HEI output, and electronic feedback (from the ECM) to provide more precise feedback of spark. The ESC system also helps with that.

If you have a stock or moderately modified late 1980's Corvette, there's no way you're going to improve on the distributor system.

If you (the general reader) have a 1990's Corvette, you need to look up the multitude of "Opti" threads on the subject.
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