Post Tagged with: "1984 Pontiac Bonneville"

8.5 inch rear end

Mailbag: EFI and Rear-Axle Swap Recommendations for a 500 C.I.D. Caddy-Powered ’84 Bonneville

Q: My car is a 1984 Pontiac Bonneville with a 500 cubic-inch Cadillac engine. The engine is bored .030″ over and uses flattop pistons and Cadillac 425 heads for a […]

How Tos / Q&A

Mailbag: Reading Smoke Signals

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader find the source of mysterious white smoke.   J.M. • […]