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HEI Distributor Accel Super Coil on a non HEI???

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Old May 13, 2003 | 10:45 PM
  #1  
Idlehands's Avatar
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HEI Distributor Accel Super Coil on a non HEI???

Can i put this HEI Distributor Accel Super Coil on my LG4 non HEI ???.....
Attached Thumbnails HEI Distributor Accel Super Coil on a non HEI???-i-4.jpg  
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Old May 13, 2003 | 10:50 PM
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first of all, all chevys have been HEI since like 1975, and 3rd gens were all used HEIs , then GM moved on to more advanced electronic type ignitions and such.

there are 2 types of HEIs, coil in cap and remote mount coil. you cant you use a coil-in-cap coil on a remote coil HEI system. the coil-in-cap coil contacts the rotor through a small "button" type thing mount under the coil.

so the answer to your question is no

Last edited by darbleinad; May 13, 2003 at 11:09 PM.
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Old May 13, 2003 | 11:03 PM
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Originally posted by darbleinad
first of all, all chevys have been HEI since like 1975, and until they moved to the more electronic type ignitions and such.

there are 2 types of HEIs, coil in cap and remote mount coil. you cant you use a coil-in-cap coil on a remote coil HEI system. the coil-in-cap coil contacts the rotor through a small "button" type thing mount under the coil.

so the answer to your question is no

Actually I think you can use the super coil on an LG4 distributor... because that's exactly what I did. I rebuilt my LG4 distributor and used it in my 355.

I'm not sure what he's talking about... being non HEI... but as long as no one did something really weird like put an ancient points rig in or something, it should work.


BTW, is your car out yet?
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Old May 13, 2003 | 11:07 PM
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From: Ailsa Craig, Ontario, Canada
Car: 84 Trans Am
Engine: 350
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yeah you can use the super coil in an HEI as long as it is a coil in cap style. the other HEIs, found on TPIs, have a remote coil that uses a short length of spark plug wire to connect it to the distributor. you cant use a coil-in-cap style coil, like the one pictured above, on the remote coil HEIs.


my car is out, but i need to chnage the oil and do a few things before i drive it. hopefully the gears can go in on thursday.
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Old May 13, 2003 | 11:19 PM
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I assumed that it was in fact an HEI LG4 he had... I didn't think they made a TPI version... my bad.
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Old May 13, 2003 | 11:23 PM
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he should have a a regular coil-in-cap HEI in there. for some reason he does not, apparently.
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Old May 13, 2003 | 11:44 PM
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I jsut want to clarify..There are two kinds electronic and non-electronic.The in -cap are usually the non-electronic HEI's (up to 87)The electronic HEI's uses remote mount coil.Reason I mentioned this is because there are afermarket HEI distributors that have a remote mount HEI but not electronic and vice versa.BTW Im selling a distrib with an Accel HEI module(35362) and Accel electronic coil (or trade for an aftermarket non electronic)coil

Daz
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Old May 13, 2003 | 11:48 PM
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From: Ailsa Craig, Ontario, Canada
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good point there Daz. yeah the older HEIs, such as the one on my 84 have a vacuum advance on them still ...
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Old May 14, 2003 | 12:38 AM
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From: Cambridge, Ontario, Canada
Car: 1990 GTA
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Axle/Gears: 3.45 9 Bolt
That coil is the Accel Super Coil PN# 140003. It's the same one that is gracing my distributor as we speak. The pic is before I installed the coil.
Attached Thumbnails HEI Distributor Accel Super Coil on a non HEI???-dsc00013.jpg  

Last edited by Kevs87TA; May 14, 2003 at 12:41 AM.
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Old May 14, 2003 | 11:46 AM
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sorry guys i was at work when i posted this, i have the original GM coil in cap setup, as for i know nothing about this, i was told that installing the above coil would give me more voltage is this true and can i put it in without damaging anything?
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Old May 14, 2003 | 11:48 AM
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Originally posted by Idlehands
sorry guys i was at work when i posted this, i have the original GM coil in cap setup, as for i know nothing about this, i was told that installing the above coil would give me more voltage is this true and can i put it in without damaging anything?
true,although I didnt notice any difference...

Daz
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Old May 14, 2003 | 11:49 AM
  #12  
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when i went to pick it up i notice that there is no indication on the box for mounting it on a 305 so i didn't bother with it, i'll wait to see what you guys say first.
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Old May 14, 2003 | 12:08 PM
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You can use it ,I used it on my 82 LG4

Daz
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Old May 14, 2003 | 02:29 PM
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Yowsa! Talk about confusion!

Just to clarify:


Pre-1975- Points-type distributors w/external coil

1975-1979/80 (1979 for California, 1980 for rest of US states)- HEI w/coil in cap, vacuum controlled advance

1980-1988 US- CCC, computer controlled advance, external coil

1980-1988 Canada- varied by model- but most GM V8s still in production with a carburetor still used the older HEI w/coil in cap, vacuum controlled advance

1987-up Canada (all), HEI w/electronic controlled advance, external coil- same as was used on TBI engines- but I cannot speak for TPI at this point.


The point is that unless you have an external coil (factory- not an aftermarket external coil conversion)- you can use the Accel Supercoil on your HEI.

Will it do anything for you? Not likely- yes it raises the peak voltage but unless you're running a much higher compression ratio (i.e. 12:1 or such), or trying to gap your plugs at .060" or something (that's a different discussion) you won't see any benefit. The only people that see a benefit are those that had a defective stock coil to start with.
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Old May 14, 2003 | 02:45 PM
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i also have it on my 85 LG4 and have not noticed a difference either, but it hasnt hurt so I kept it, has been about 10 years now.

It wont hurt your car so go ahead and install it as it is supposed to give you a better spark.
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Old May 14, 2003 | 02:57 PM
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Originally posted by Eric2ndGen
Yowsa! Talk about confusion!

Just to clarify:


Pre-1975- Points-type distributors w/external coil

1975-1979/80 (1979 for California, 1980 for rest of US states)- HEI w/coil in cap, vacuum controlled advance

1980-1988 US- CCC, computer controlled advance, external coil

1980-1988 Canada- varied by model- but most GM V8s still in production with a carburetor still used the older HEI w/coil in cap, vacuum controlled advance

1987-up Canada (all), HEI w/electronic controlled advance, external coil- same as was used on TBI engines- but I cannot speak for TPI at this point.


The point is that unless you have an external coil (factory- not an aftermarket external coil conversion)- you can use the Accel Supercoil on your HEI.

Will it do anything for you? Not likely- yes it raises the peak voltage but unless you're running a much higher compression ratio (i.e. 12:1 or such), or trying to gap your plugs at .060" or something (that's a different discussion) you won't see any benefit. The only people that see a benefit are those that had a defective stock coil to start with.
GOOD ANSWER!
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Old May 14, 2003 | 03:26 PM
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From: Ailsa Craig, Ontario, Canada
Car: 84 Trans Am
Engine: 350
Transmission: 700r4
i second that. it makes things alot easier to explain when you know dates for the change over and what not.
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Old May 15, 2003 | 07:37 AM
  #18  
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Very good guys, this is why i come here.

Sorry for any confusion
Attached Thumbnails HEI Distributor Accel Super Coil on a non HEI???-_car3_web.jpg  
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