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HEI Distributor conversion

Hi all, kinda new here and new to mechanical side of old holdens. Quick question and hopefully a quick answer.

I have a HJ Ute with a 253 engine that has recently been into the mechanics shop to get the gas tank and all of its components out of the car, its been converted back to straight petrol now (thank god), all done and no problems.

While getting worked on I decided to ask the mechanic to upgrade the distributor from points to HEI as I am just about to use my ute everyday to get to and from work I thought I would just make it that bit easier to start the thing in the mornings etc.

I gave him a 2nd hand dizzy ripped out of a WB V8 blue motor that I have had for a few years (excellent condition). He has installed it and I can notice a slight difference already with starting (has been parked for two years). I also told him to replace the coil that is currently in the car, but he has not done that. I think it is still the old oil filled coil for the points type distributor (original).

After reading around on these forums a bit, I realised that the old coil wont be getting the full 12 volts needed, and will be getting 10 volts rather. I need to know if this will do any damage to any component by leaving that old coil in for a bit. I believe I need the new HEC716 coil to make full effect of the new HEI distributor. Does anyone know if places still sell this? Id like to try and install the coil myself.

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Comments

Use the HEC-716 Coil to get the best return from your conversion.

For street use, open the plug gaps to 1.5mm.

Observe the wiring info here to supply full voltage and current to the coil ....

http://holdenpaedia....

and here ...

http://holdenpaedia....

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T

My Shed

Holdenpaedia, they're the brakes Mate.

you must use the correct coil,the old one wont like full 12 volts for long,they crank and start on 12 but then run on about 9 volts,the module wont like the load from the coil either,itll be too light and the dwell the module provides wont suit the old coil,swap it asap,use new leads aswell like decent spiral wire type.

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WHAT? no gravy?

bosch leads are good value for money.

these and your hec176 coil should be available at bursons among others. definitely insist on the genuine bosch hec716 coil, some of the aftermarket universal replacements for hei can be troublesome.

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I replaced the leads on the VN with Bosch. A while later I noticed a brown deposit on the coil pack. Pulled the leads off and two were rusty! Luckily I had some spare s/s terminals in the shed so cut the crook ones off and replaced them. Can't trust anyone/anything these days!

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They don't make em like they used too!

recently bought a coil that was a fuelmiser brand from repco the same style as the original bosch coils worked good they were using a old type 12 volt coil on it but the voltage was to low causing the plugs to foul up cost was about 30 dollars

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