Guide To Six Cylinder Performance Front View
Dyno-Testing Carbs
Classic Inlines took a trip down to Pony Carburetors in Las Cruces, New Mexico, to test its all-aluminum induction and cylinder head package with Autolite 2100 two-barrel and 4100 four-barrel carburetion. The baseline was 177 hp with a 500-cfm Holley two-barrel carburetor, which is pretty darned good. When Pony Carburetors bolted on a 480-cfm Autolite 4100 carburetor, the result was 211 hp, a 34hp gain. Another run netted 222 hp. We're talking excess of 200 hp at the rear wheels.Pony Carburetors also tested a variety of Autolite 2100 two-barrel carburetors, but it got less power regardless of size. The best result was achieved with a 1.02-inch carburetor. This tells us that the 4100, or a comparable Holley 4150 or 4160 four-barrel, makes more power than a two-barrel regardless of size. In normal driving, expect more torque and improved fuel economy as well. View Related Article
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