Table of Contents
What size heads for 350 Chevy?
A head with 180 or 185cc intake runners will work well on a typical 350 Chevy street engine that makes 400 to 450 horsepower.
How do I know what Chevy heads I have?
Chevy heads have often been identified by sight and most commonly by the different casting shapes on the ends of the cylinder heads. While these casting marks cannot tell specifics about the cylinder heads, they can help identify a performance head from a non-performance head.
What degree are stock Chevy heads?
Jason Neugent: From the factory, stock 26-degree big-block Chevy heads don’t offer the best architecture from an airflow standpoint, but the design has been highly refined over the years. Their strength is in their popularity, and therefore all the off-the-shelf parts that are built around it.
What does it mean to cc heads?
cubic centimeters
Why We Need to Know Our Cylinder Head Volumes. One of these checks is cc’ing the heads (cc = cubic centimeters). This is a process whereby we physically measure the volume of the combustion chamber. It’s important to do this because it ensures consistency among all the cylinders.
How do you cc a head?
Procedure
- Fill the buret. (Note the EXACT amount of fluid.)
- Slowly fill the cavity through the small hole in the sealing plate. Fill to the bottom of the hole. Be careful not to spill. Make sure there are no air bubbles.
- Determine how much fluid was used to fill the area.
How do I identify 350 Vortec heads?
Vortec heads have the “sawtooth” pattern casting mark on the end of the heads. The bowl area is wide around the valve guide – much wider than the old GM cast iron ‘camel-hump’ heads. The intake and exhaust valves and valve seats have a three-angle grind from the factory.
Are Vortec heads 23-degree?
GM Performance’s New Vortec Heads Promise Big Flow Numbers For A Modest Investment. GM Performance responded with the 23-degree, aluminum Fast Burn head. Its 210cc intake runners and raised intake valves made it capable of supporting more than 500 hp.
What are 12 degree heads?
The Air Strike 12° Small Block Chevy head is for the standard bore spacing and features symmetrical ports, splayed valves and a stable rocker bar platform. Made from the same Aerospace A356 Alloy and casting technology that the U.S. military relies on, the Air Strike Cylinder Head is on point.
What was the cylinder head number for a 1990 Chevy?
LT1 cylinder head, casting number 10125320. These are a cast-iron version of the reverse-cooling heads used on the 1990’s LT-series engines. 10106178: 1990 LT 350ci V-8.
What kind of cylinder head does a Chevy 350ci use?
Casting numbers 3782461 and 3782461X used 1.94 and 1.50-inch valves. These were commonly called “Fuelie” heads. 10065202: 1987 through 1995 350ci truck engines. 10065203: 1987 through 1995 350ci truck engines.
How big is a small block Chevy cylinder head?
Cylinder Head ID Small block chevy head castings Casting # Combustion Chamber size CCs Intake valve Exhaust valve Production Years Misc Engine 10033867 62cc 2.02 1.60 over the counter 23 degree, angle plug, 196 cc intake runner, Aluminum 10045434 55cc Over the counter 15 degree, angle plug, raised runner, aluminum 10051101
What kind of engine does a 1995 Chevy 350 have?
Since then, it has been used in many different styles of vehicles. The 1995 Chevy 350-cubic-inch engine come in three versions: low-compression, medium-compression and high-compression. The low-compression version of the 1995 Chevrolet 350 was used in four vehicles: Suburban, G30 van, C/K3500 and C/K2500.