Advice-Changing the timing cure on your HEI distributor? Timing recurve kits suck
The best way for me (heavy car) to get faster mechanical advance with a GM HEI distributor is to add mass to the stock weights and use the stock springs. Learn from me and don't be afraid to try stuff; it just might work, like this did!

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MSD Distributor Advance Curve Kit Explained

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Modifying and custom curving a GM HEI distributor for street performance

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Your Engine NEEDS This Much Timing.

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Cheap Performance Hack – Recurve Your Distributor!

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HEI Distributor Mechanical Advance weight kit

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Make That Thing JUMP When You Whack The Gas!

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HOW TO EASILY REBUILD AN HEI DISTRIBUTOR: SQUARE BODY CHEVY

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Never Connect Your Vacuum Advance to Ported Vacuum!

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Changing and Explaining Timing Curve on MSD Distributor

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If Cops Say "We Got A Call" - Say THIS (Simple Phrase)

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$75 Amazon HEI Distributor VS MSD Ignition DYNO TEST! Mike's Michigan Modified stock car engine.

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80 MASSIVE Rare Old ENGINES Starting Up – SOUNDS That Will Blow Your Ears!

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How to Lock Out the Timing on an HEI Distributor - A Complete Guide

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Is that CHEAP distributor any Good?? Let's find out!

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The Midnight Mechanic Tech Tip - GM HEI distributor tune up

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Recurving a distributor; why it is important to get performance from your engine!

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Performance Timing Curves For Dummies Like Me (Ignition Basics, Distributor Mods, And Tuning)

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HEI Distributor Video Series (Part 3)

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Chevy HEI Distributor: Shimming and timing info

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