Retrofit 1968 Engine with HEI

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Oldscarnut

Master Mechanic
May 10, 2017
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I finally took the plunge and bought a GM reman HEI Distributor for my project; retrofitting an '68 Olds 350 to replace the Buick 3.8 Oils dripper! It does drip out of every possible junction of heads, block, valve covers, pan, transmission. It cannot even be a boat anchor drenched in oil, you know the environment and all! My question is pretty simple I think, the HEI plug should plug into the harness plug without much ado, right? I have been told the computer harness does not involve the distributor circuit? Since I already have the starter circuit intact from the 3.8, relay etc, I should be good to go with the correct 80's Olds V8 starter, correct? Any hidden doomaflatchies? I can build an engine, transmission and rearend, but I am damned if I can master 12 Volts!
 

Streetbu

Know it all, that doesn't
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May 22, 2011
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You only need a keyed 12v source to the HEI and that's it....
 
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Oct 14, 2008
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Yes, the 12 volt connection is identical.
 
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Oldscarnut

Master Mechanic
May 10, 2017
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NW Washington State
That is what I hoped! Most of what I am doing seems to be a square peg in a smaller square hole! Thanks for letting me know!
 
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airboatgreg

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Oct 2, 2016
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Remember the point system has a resistor wire to supply current to the coil in the run position so you have to omit that. You have to have the 12 volt feed in crank and run
 
Oct 14, 2008
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For a starter, do not use a 80's 307 replacement starter, small and underpowered. Get either a 70's 350 or 403 replacement or a mini starter, depending on exhaust routing. A SBC mini starter WILL fit an Olds 350. I believe this is in a 80's El Camino.
 
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