Low Budget Mods Curve Diagram
Advance Curve Kit
If your Pontiac engine has been modified at all, chances are a custom timing curve will improve performance and driveability. You can send your distributor to a pro for a recurve, or use one of the readily available aftermarket kits (Mr. Gasket 928-G points-type from Summit Racing for $7.25) and do it at home. Install a new bronze bushing on the advance pin to limit total advance; then put in lighter springs to quicken the curve. (Installing weights with a different shape can change the shape of the curve.) Thirty-two degrees of timing, all in by 2,400-2,600 rpm, will be a good place to start for a pump-gas street engine with iron heads. View Related Article
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