1Start here
Canton Racing Phenolic Fuel Pump Insulator, Small-Block Chevy
A phenolic spacer that keeps a small-block Chevy's mechanical pump off the hot block. The first place heat gets into the fuel, and the cheapest one to fix.
$15.00In stock
No More Vapor Lock: Keeping Fuel Liquid in a Hot Vintage Engine Bay
Vapor lock is fuel boiling before it reaches the carburetor: the engine stumbles in traffic, then won't restart hot. Modern fuel boils sooner than the gasoline these engines were designed for. The fix is to keep heat away from every place fuel sits or flows, from the pump on the block to the line across the manifold to the carburetor bowls. Start with the cheapest piece that addresses your car's hottest spot.
2Best value
DEI Vapor Block Fuel Line Sleeve, 3/8 in. × 24 in.
Wraps a 3/8 in. fuel line with an adhesive flap, so it goes on without disconnecting anything. Use it where the line passes the manifold or headers.
$14.99In stock
3
Heatshield Products Lava Hot Rod Sleeve, 1 in. ID × 10 ft.
A 10 ft roll of 1 in. ID sleeve that stretches over fittings, for when the whole feed line needs protection rather than one hot spot.
$74.99In stock
4
Edelbrock Heat Insulator Carburetor Gasket, 4-Barrel Square Bore
Swaps the carb base gasket for an insulating one that Edelbrock designed to stop fuel percolating in hot Performer-series carburetors.
$32.95In stock
5
AFR 1 in. Phenolic 4-Hole Carburetor Spacer, Square Bore
A 1 in. phenolic spacer puts real distance between a hot intake and the float bowls. The strongest fix here, and the only one that changes how the engine pulls.
$41.00In stock
6
Thermo-Tec Thermo-Shield Aluminized Heat Tape, 1.5 in. × 15 ft.
Self-adhesive aluminized tape for reflecting heat off hoses, wiring and the underside of the carb. The finishing touch, not the fix.
$22.82In stock
Where these picks come from
Summit Racing
Summit Racing Equipment sells performance and restoration parts, tools and shop equipment for street cars, hot rods and classics. Every pick on this Site links to its listing at Summit.