Do aluminum heads make more power?

Aluminum heads will dissipate heat faster. This allows for higher Compression Ratios with less risk of Detonation. The cooler head also delivers a cooler air/fuel mixture to the combustion chamber. Cooler air is denser and can make more power.

How much does a small block Chevy weight with aluminum heads?

Registered. Well a stock small block weighs about 575 lbs and an iron headed big block weighs in at about 685 lbs. Big block aluminum heads drop the weight about 75 lbs, and an all aluminum big block weighs about the same as a small block (575 lbs).

Are there aluminum Vortec heads?

First of all, the World Products head is aluminum, rather than cast iron like stock Vortec heads. For compatibility, the World version maintains the standard 23-degree Chevy small-block valve angle and the 64cc combustion chambers, but uses 215cc intake ports, which are huge compared to a stock Vortec’s 170cc runners.

What are the torque specs for Chevy 350 heads?

The specifications given are for the typical 350 engine. The Chevrolet 350 cylinder-head torque specification is 65 ft.-lbs. The intake installed onto cast-iron heads requires 30 ft.-lbs.

What is the Max bore for a Chevy 350?

The 350 has a 4-inch bore with a 3.48-inch stroke. Not only is this a well-proven configuration in terms of reliability but also 350 cores at the wrecking yard are, figuratively speaking, nearly a dime a dozen. Chevy 400 blocks are out there, but as the years go by their numbers diminish significantly, by attrition and hot rod usage.

Is the Chevy 350 reliable?

It’s one of the most reliable engines ever Even if you drive in tough conditions, the Chevy 350 remains very dependable and keeps running. It’s been around since 1967, and Chevy was making small-block engines long before then. Everything about the Chevy 350 stands the test of time.

What are the dimensions of a Chevy 350 engine?

Chevy 350 Engine Specs. The Chevy 350 engine is a 350 cubic inch (5.7-liter) small block V8 with a 4.00 and 3.48 inch bore and stroke.