I’m very pleased with my antigravity lithium battery. They are pretty pricey, but nothing else comes close for cranking power. My motor is almost 14:1 and it spins over at 325 rpm+. Weighing in at 19lbs doesn’t hurt either.
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James
1970 Trans Am
Spotts Built 484" IA2, Highports, EFI Northwind, E85
Holley Terminator X sequential EFI fabrication and suspension by
https://www.funkhouserracecars.com/
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