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Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->Distibutor

moparstuart
Distibutor


Im running a GM HEI with the adaptor kit , only because that is what the car was wired for before i put the 392 hemi in about a year ago . Now I have to change from a Single 4 barrel carb intake toa a Multi Carb set up and have no room for the Huge HEI . Can i run a stock mopar small blocjk electronic Ignition and distibutor ? or will i need an adaptor for it also ?
Or is there another resonable in expensive alternative ?? Thanks For the help

Stuart
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on: Wed 18 of Feb, 2015 [14:04 UTC] reads: 17206

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hemipwr202
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Re: Distibutor
on: Fri 20 of Feb, 2015 [22:01 UTC] score: 0.00
I bought an electronic conversion from Rock Auto for my stock 241 Dodge Dizzy and it worked great and had a very strong spark (it fired right up after a 30 plus year sleep). Very easy install, now I bought another one for my early 70's La electronnic dizzy to install in my built 241.

Both the stock Hemi dizzy and the elctronic La dizzy are alot smaller than a gm hei, and better yet they are Mopar!


Todd

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billm
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Re: Distibutor
on: Wed 18 of Feb, 2015 [23:46 UTC] score: 0.00
Stuart,

You should be able to replace your Chevy HEI distributor with a pre-HEI Chevy style distributor. There are tons of companies making Chevy style distributors with the early size cap. Don't bother trying to find a 40+ years old Chevy distributor. I bought a remanufactured Pertronix billet distributor from Summit for about $100 several years ago. It looked new and worked well. Make sure you stay with an electronic distributor that has vacuum advance. There are a bunch out there- just check Ebay, Craigslist, or local car shows.
Bill

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moparstuart
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Re: Re: Distibutor
on: Thu 19 of Feb, 2015 [03:06 UTC] score: 0.00
> Stuart,
>
> You should be able to replace your Chevy HEI distributor with a pre-HEI Chevy style distributor. There are tons of companies making Chevy style distributors with the early size cap. Don't bother trying to find a 40+ years old Chevy distributor. I bought a remanufactured Pertronix billet distributor from Summit for about $100 several years ago. It looked new and worked well. Make sure you stay with an electronic distributor that has vacuum advance. There are a bunch out there- just check Ebay, Craigslist, or local car shows.
> Bill


bill will this one work ??? http://www.summitracing.com/parts/pnx-d104600/overview/

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billm
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Re: Re: Re: Distibutor
on: Fri 20 of Feb, 2015 [00:35 UTC] score: 0.00
Hi Stuart,

Yes, the Pertronix distributor you provided a link to is the style you need. It has the pre-HEI (small) cap, electronic trigger, and vacuum advance. This should be a drop-in for your engine.
You don't need this exact distributor, but something like it. The price is pretty darn good for a new unit, but you might be able to find something similar used for half the price.
I forgot to mention it, but you will also need to change your spark plug wires to be compatible with the old style distributor cap. HEI distributor caps had male terminals on them shaped like the end of a spark plug. The old distributor caps had a socket which requires a male terminal on the plug wires. The cheapest thing to do would be to cut the HEI terminals and boots from your existing plug wires, then re-terminate the wires with the correct male terminals and boots. Summit has these. This assumes that your existing wires are in good shape, and are long enough. If not, you'll need to buy a new set of wires for a Hemi ($$$), cut them to fit, then put the boots and terminals on the distributor ends.
I hope that helps.
Bill

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George
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Re: Re: Re: Re: Distibutor
on: Fri 20 of Feb, 2015 [15:39 UTC] score: 0.00
. This assumes that your existing wires are in good shape, and are long enough. If not, you'll need to buy a new set of wires for a Hemi ($$$), cut them to fit,

Actually generic Accel/Mallory wires are more than long enough to reach even with the OEM wire covers.

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moparstuart
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Re: Re: Re: Re: Re: Distibutor
on: Fri 20 of Feb, 2015 [15:42 UTC] score: 0.00
> . This assumes that your existing wires are in good shape, and are long enough. If not, you'll need to buy a new set of wires for a Hemi ($$$), cut them to fit,
>
> Actually generic Accel/Mallory wires are more than long enough to reach even with the OEM wire covers.

current wires are long enough and almost new only a year old

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moparstuart
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Re: Re: Re: Re: Distibutor
on: Fri 20 of Feb, 2015 [03:26 UTC] score: 0.00
> Hi Stuart,
>
> Yes, the Pertronix distributor you provided a link to is the style you need. It has the pre-HEI (small) cap, electronic trigger, and vacuum advance. This should be a drop-in for your engine.
> You don't need this exact distributor, but something like it. The price is pretty darn good for a new unit, but you might be able to find something similar used for half the price.
> I forgot to mention it, but you will also need to change your spark plug wires to be compatible with the old style distributor cap. HEI distributor caps had male terminals on them shaped like the end of a spark plug. The old distributor caps had a socket which requires a male terminal on the plug wires. The cheapest thing to do would be to cut the HEI terminals and boots from your existing plug wires, then re-terminate the wires with the correct male terminals and boots. Summit has these. This assumes that your existing wires are in good shape, and are long enough. If not, you'll need to buy a new set of wires for a Hemi ($$$), cut them to fit, then put the boots and terminals on the distributor ends.
> I hope that helps.
> Bill


thanks for the info but better yet i found a small HEI i guess late 80's vans took a small cap style http://www.ebay.com/itm/Chevy-Big-Small-Block-Ready-to-Run-HEI-Distributor-SBC-BBC-350-454-Small-Cap-/111547709183?pt=Motors_Car_Truck_Parts_Accessories&hash=item19f8c2f6ff&vxp=mtr


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billm
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Re: Re: Re: Re: Re: Distibutor
on: Fri 20 of Feb, 2015 [23:38 UTC] score: 0.00

> thanks for the info but better yet i found a small HEI i guess late 80's vans took a small cap style http://www.ebay.com/itm/Chevy-Big-Small-Block-Ready-to-Run-HEI-Distributor-SBC-BBC-350-454-Small-Cap-/111547709183?pt=Motors_Car_Truck_Parts_Accessories&hash=item19f8c2f6ff&vxp=mtr


Hi Stuart,

I looked at the link to the distributor on Ebay. This is perfect- except- with a price that cheap, it's got to be all Chinese. That scares me. If the late 1980's vans used a distributor like this, I'd buy a used unit from a boneyard and rebuild it. It will cost more than the Ebay distributor, but at least you'll have something of known history, quality, and reliability.

Bill

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capyjack
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Re: Distibutor
on: Wed 18 of Feb, 2015 [15:43 UTC] score: 0.00
Hot Heads sells a kit that lets you modify the geared shaft that drives off of the camshaft to the oil pump. Its an easy fix that makes it the right length for an electronic distributor from an A engine fit right in there.

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George
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Re: Re: Distibutor
on: Wed 18 of Feb, 2015 [21:05 UTC] score: 0.00
> Hot Heads sells a kit that lets you modify the geared shaft that drives off of the camshaft to the oil pump. Its an easy fix that makes it the right length for an electronic distributor from an A engine fit right in there.


Choices would be: extending the dist shaft on a MOPAR LA dizzy, getting an extended intermediate shaft from HH, or get a Chevy points dizzy, that I'm guessing would have better clearance, & put a Pertronix in it.

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moparstuart
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Re: Re: Re: Distibutor
on: Wed 18 of Feb, 2015 [21:38 UTC] score: 0.00
> > Hot Heads sells a kit that lets you modify the geared shaft that drives off of the camshaft to the oil pump. Its an easy fix that makes it the right length for an electronic distributor from an A engine fit right in there.
>
>
> Choices would be: extending the dist shaft on a MOPAR LA dizzy, getting an extended intermediate shaft from HH, or get a Chevy points dizzy, that I'm guessing would have better clearance, & put a Pertronix in it.

Ive heard ok stuff about pertronix , but never used it , anyone have any good or bad feed back ?

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moparstuart
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Re: Re: Distibutor
on: Wed 18 of Feb, 2015 [17:14 UTC] score: 0.00
> Hot Heads sells a kit that lets you modify the geared shaft that drives off of the camshaft to the oil pump. Its an easy fix that makes it the right length for an electronic distributor from an A engine fit right in there.

cool sound similar to the chevy kit then


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moparstuart
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Re: Re: Re: Distibutor
on: Wed 18 of Feb, 2015 [17:18 UTC] score: 0.00
> > Hot Heads sells a kit that lets you modify the geared shaft that drives off of the camshaft to the oil pump. Its an easy fix that makes it the right length for an electronic distributor from an A engine fit right in there.
>
> cool sound similar to the chevy kit then




so if I have the chevy kit already is there a smaller better chevy , or aftermarket chevy style distibutor i can use and just use the chevy Kit I already have ???????????

>

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moparstuart
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Re: Distibutor
on: Wed 18 of Feb, 2015 [14:06 UTC] score: 0.00
> Im running a GM HEI with the adaptor kit , only because that is what the car was wired for before i put the 392 hemi in about a year ago . Now I have Decided to change from a Single 4 barrel carb intake toa a Multi Carb set up and have no room for the Huge HEI . Can i run a stock mopar small blocjk electronic Ignition and distibutor ? or will i need an adaptor for it also ?
> Or is there another resonable in expensive alternative ?? Thanks For the help
>
> Stuart

author message
moparstuart
user offline
Re: Distibutor
on: Wed 18 of Feb, 2015 [14:05 UTC] score: 0.00
> Im running a GM HEI with the adaptor kit , only because that is what the car was wired for before i put the 392 hemi in about a year ago . Now I have to change from a Single 4 barrel carb intake toa a Multi Carb set up and have no room for the Huge HEI . Can i run a stock mopar small blocjk electronic Ignition and distibutor ? or will i need an adaptor for it also ?
> Or is there another resonable in expensive alternative ?? Thanks For the help
>
> Stuart


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