C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
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HEI Distributor Tech

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Old Jul 17, 2015 | 11:40 AM
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Default HEI Distributor Tech

I have a 75 L82. I would like the stock HEI distributor to be dialed in with proper centrifical and vacuum advance for this engine with 2.5 inch dual exhaust (no Cat) and no smog equipment. Who do you recommend for HEI. Lars does not do HEI and neither does Jerry McNish.
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Old Jul 17, 2015 | 11:48 AM
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[QUOTE=gsimon767;1590069470]I have a 75 L82. I would like the stock HEI distributor to be dialed in with proper centrifical and vacuum advance for this engine with 2.5 inch dual exhaust (no Cat) and no smog equipment. Who do you recommend for HEI. Lars does not do HEI and neither does Jerry McNish.[/QUOTE

we use a standard hygrade vacuum advance # VC-302 which has 10 degrees of vacuum based spark advance. the HEI distributor advance curve kits are such low quality we do not recurve them, the MSD # 8365 billet HEI is what we recommend if you want a HEI style dist that can be re-curved to almost any curve you want.

I hope this helps Henry @ oles carb
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