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Old 05-28-2004, 07:16 PM
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Not sure what to choose!

Hi all,
a friend of mine and I recently built a 383 stroker for my '77 vette and I want to replace the original HEI distributor. I'm in a major quandary about what to go with though (ignition systems are definitely not my bag). I've been looking through my Jegs catalogue, and I can't decide whether or not to go with the Ready-to-Run Pro-Billet HEI (part# 8365) (which comes with the high energy module and coil) or the Pro-Billet Standard (part# 85551) which requires the ignition box and has no vacuum advance. They also have the Ready-to-Run Street Pro-Billet (part# 8361) which includes the vacuum advance, but requires the ignition box. Wouldn't I also need to buy a coil for this though? Then again they also have the 8360 Ready-to-Run Street Pro-Billet with vacuum advance and it states it will work with or without the ignition box. Any suggestions - PLEASE! Are there advantages to getting a distributor which requires the ignition box (I assume I'd have to buy a coil) over the HEI? I could really use you guys expertise and ideas on what to get.
Thanks in advance, Marc.

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Old 05-28-2004, 08:39 PM
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Give us a better idea of what you want to do with the engine and car. Also, how is the engine built? If custom timing curve is needed, as with most hot engines, it will influence what you need.

Chris
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Old 05-29-2004, 05:49 PM
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It's a 383 stroker with a hydraulic flat tappet - 480 lift. The heads are Edelbrock Performer RPM with 64cc chambers. I have an Edelbrock Performer RPM Air Gap Manifold with a Holley 750 on top. With these heads C/R should be around 10.5:1. with about 450-475 horses. Will be mainly street, with a little strip now and then. My original HEI is definitely ready for distributor heaven - just don't know if I'd be better off with a new HEI (like MSD) or a Ready-to-Run type with an AL-6 Ignition box - a friend said the AL-6 really wakes up the engine. Not gonna be racing much, but would like to have some fire under the tires when I need it. Hope this helps some.
Thanks, Marc.
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Old 05-29-2004, 06:18 PM
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You could run the MSD-8365 for around $330.00 if you wanna be able to say you have an MSD. For what you have though it would be abit overkill I think though the billet looks nice on the engine. For what you have and what you plan on using it for you could save yourself a bundle and get the Mallory HEI #MAA-8548201C for about 160.00 or the Pertronix #PNX-D1000 for about 220.00 and never notice the difference.
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Old 05-29-2004, 08:54 PM
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I have the MSD pro-billet HEI and am happy with it. I use it in conjunction with an MSD 6AL. It is pretty much a plug and play installation.
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Old 05-30-2004, 05:59 AM
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Well, vacuum advance sounds like it is not an issue with your combination. I think that the more important thing is being able to taylor the ignition curve. I have not researched all of those distributors, but I would definately go with one where mechanical advance can be tuned. I dont just mean with springs, but limiting advance since your engine will most likely want 15-18 degrees initial advance. It may be that any of them will do this. If that is the case, get one that has vacuum advance as well since it will help with mileage a little on cruises. I like the smaller size original MSD over the HEI variety because you get more room. I would also run a box with it. Most any of the aftermarket boxes work well, but the MSD will plug right in. The AL has a rev limiter built in which is not a bad idea to have.

Chris
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Old 06-04-2004, 06:14 PM
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Thanks guys for the replies. I decided to go with the Street Pro-Billet (#8361) ($189.99), the Blaster 2 Coil and the 6-AL Ignition box from Jegs. Should be my best bet for what I'm running and what I'll be using it for. Appreciate all the input, fellas. Thanks again, Marc.
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Old 06-04-2004, 09:50 PM
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I think you will be happy with that setup.
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Old 06-07-2004, 06:33 PM
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Thanks Turbo, hope everything goes smooth. Should recieve parts by Tuesday. Thanks again for the input.
Marc.
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