Question:
why in the heck do i have such bad luck with accell distributors for my small block chevy. i keep burnin out modules mostly. should i go mallory? if i have to keep droppin in my old gm hei distributor just to get home i think im gonna go points. but will i get the same extreme advance in timing with just a regular distributor and seperate coil? i love the fact on hei i can change the syntripical force springs out under the rotor to lighter springs for more advance. does the old system of a seperate coil and points offer this feature?
Answers:
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Are you applying lots of the dialectric grease between the module and the housing? That keeps the module cool by using the base as a big heat sink. The factory base for HEI is huge - just what you want to dissipate heat. MSD boxes replace the module but are known top fail as well.
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The springs for mechanical advance are in all of the points and GM HEI distributors.
Good luck
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Save you're money, do not buy Mallory. I would definitely go with an MSD HEI with the blaster 2 coil. I ran this set up on my 69' camaro, and the difference between HEI and points is night and day.You asked a good question though and I'm pretty sure you got the wrong answer.
That when changing from HEI to points are you still able to change out the syntripical force springs?
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The answer below your question said that all GM distributors have this ability; points or HEI. This is false. If you were to do this to a distributor that runs points, you would be going through a set of points every week, that is if you're car would even run after doing that.
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Just something to consider, you couldn't pay me to go back to points.
If your engine is pretty much stock, stick with the OEM parts. I used the accel (the coil was on top of the dist.)on my 86 Z-28 and had problem. The OEM puts out more than enough juice to run the engine. I am currently using the stock coil and distributor to power my 350 engine with vortec heads and lt-4 hot cam.
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Mike,We ran the HEI style distributor all season long in a super stock dirt late model. The big improvement was when we switched to DUI (company name) re-worked HEI distributor. All Chevrolet high performance dealers sell these units. They also have a website. It ran flawlessly all season. They build their own modules and can build any curve you want. With or without vacuum advance.
Granted the HEI is the ultimate but your starring at $600. to go for the #6 box and individual distributor and coil.
The DUI tosses a tad more voltage across the plug gap but lacks duration of spark. Good Luck.
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OK, first of all do you mean the pick-up coil inside the distributor is failing, or an external control device? If mounted inside dist. & having repeated failures, 1 of 2 sources. Improper/varying power supply (12 volts) from ign. swtch. or worn dist shaft causing premature failure. If p/u coil, why not carry spare (after solving problem) rather than change out dist. on side of road? Why did you remove GM HEI when you could have upgraded coil on cap, and still install curve kit to tailor advance? Accel also makes an adjustable vaccuum adv.diaphram for dists. works well on street. Points? You're goin backwards. HEI far better in stock form than points can be. Much stronger spark (40-50k volts) as opposed to 30-35k w/standard point style, as well as no maint. If U need aftrmkt/hi-perf, MSD best for the money, in component form. By the way, these upgrades regulate the rate @ which spark advances, not how much total adv. achieved. Be careful as too much adv. timing will cause detonation, overheating, hard starting, etc. all bad for eng life. Also, the term is centrifical, w/an f.More Questions & Answers ...
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