In a single highway mileage test, the big-block did knock down 14.7 mpg. Not bad for a 525hp Rat. With a little bit of fine-tuning on the ignition side, it might get a little better.

Pricing for each Hilborn Big Block Chevy Intake Manifold kit is set at $2,999.95, per the Holley website. The Valley Cover Kit is $299.95, while the Ram Tubes start at $359.95.

Testing Holley EFI on a Big-Inch, Big-Block Chevy Engine. The Big-Block EFI Test: ... We’re going to run it with both fuel-injection setups for the testing. See All 24 Photos. 16.

The term big block in the General Motors world refers to engines with displacements higher than 366 cubic inches/6 liters. Small block Chevy engines range in displacement from 262 cubic inches to ...

The 8100, as it's sometimes called, was the last big block engine derived from the same basic design that brought us Chevy engines such as the 6.5-liter 396, 7.0-liter 427, and 7.4-liter 454.

It’s a C8 Chevy Corvette with a direct-injected, 8.1-liter big-block running variable valve timing, all thought up by Larry Hofer—a General Motors performance guru who literally wrote a book ...

The Camaro is powered by a fuel-injected big block Chevy 540 cubic-inch engine and twin 80 ... Mad Science remotely converted the Camaro from carburetor to electric fuel injection (EFI) from Texas ...

In a single highway mileage test, the big-block did knock down 14.7 mpg. Not bad for a 525hp Rat. With a little bit of fine-tuning on the ignition side, it might get a little better.

The 8100, as it's sometimes called, was the last big block engine derived from the same basic design that brought us Chevy engines such as the 6.5-liter 396, 7.0-liter 427, and 7.4-liter 454.

How to Install Holley Sniper TBI Fuel Injection on a Chevy Big-Block. Take The Shot. HOT ROD Staff Writer May 07, 2018. See All 16 Photos. A huge component of performance is control.