Can You Put LS Heads On A 350?

How much horsepower will Edelbrock heads add?

After installing the Edelbrock Performer heads, the 302 blasted out 383 hp and 364 lb-ft of torque, for a gain of 78 hp peak to peak.

Near 6,000 rpm, the difference in power was an astonishing 92 hp.

The name Edelbrock conjures up all manner of performance components, and for good reason..

Are LS heads interchangeable?

All LS cylinder heads, with the exception of the LS7 heads, are interchangeable among blocks. The LS7 cylinder heads cannot be mounted to other LS blocks, as the wider valve layout would result in valves contacting the bores.

Are 706 LS heads any good?

Although the 706 heads do have smaller valves compared to 317 heads, they are still solid performers that will keep your compression ratio in the sweet spot. 706 heads can be upgraded with larger valves for even more performance if you have the spare cash laying around.

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.

Can you stroke a 5.3 LS?

The 5.3L (roughly 324 cubic inches) combines a 3.78-inch bore with the 3.62-inch stroke shared with most of the LS family (4.8L shares common bore with a shorter stroke). … In stock trim, the 5.3L castings offer flow numbers near 245 CFM on the intake and 180 CFM on the exhaust.

Will Vortec heads work on older 350?

night rider Veteran Member. Yes the 1996-02 L31 350 vortec heads will bolt to ANY gen 1 350 engine.

How much horsepower does double hump heads add?

“Double-hump” heads were found on many of its high-performance engines in the 1960s and early 1970s. They were manufactured with larger intake and exhaust port volumes and valves for the period, and engines equipped with them had output ratings of more than 350 horsepower.

Can you put LS heads on SBC?

Just to be clear: You can’t bolt LS heads on a Chevy small-block. You can’t even do it on one of World’s regular Motown blocks. … With the block designed to use LS heads and LS lifter positions, the engine must also be capable of accommodating an LS valvetrain.

Are Vortec heads better than double hump heads?

The Vortec heads are a little bit lighter than the older heads and have a “kidney” or “heart” shaped combustion chamber that is more efficient than the double hump chamber.

Can you put LS heads on a Vortec engine?

The “Vortec 350” is the good-old, 1955 based Small Block Chevy, with some of the best factory SBC heads. Parts are NOT interchangeable in any way with the new-for-1997 LS series of engines… LS1, LS2, LS3, LS7, LSA, etc.

How much horsepower do Vortec heads add?

The original answer was related to modifying the heads to accept more valve lift. Our original answer combined the Chevrolet Hot cam with a set of these Vortec heads. Our estimate then and now is around 350-375 horsepower. Your question relates to porting the Vortec heads to improve the flow, which is a great idea.

Can you put 5.3 heads on a 5.7 block?

Yes, they’re a direct bolt on. The advantage is that they have a smaller chamber, and bumps up the compression. The down side is that they have small valves. You can port them as much as you want, but unless you put bigger valves in they won’t flow as well as stock 243’s.

Will sb2 heads on standard block?

The Sb2 block has different lifter locations and does not require the double offset lifters. You will have to drill the spark plug cooling holes in the block, but no big deal as the felpro mls gasket has them punched and makes a ready templet. keep in mind the sb2 heads take a different cam.

How much can you bore a 5.3 LS motor?

LS Engine Bore & Stroke ChartEngine SizeBoreStroke5.3L (325 c.i.d.)3.780 in.3.622 in.5.7L (346 c.i.d.)3.898 in.3.622 in.6.0L (364 c.i.d.)4.000 in.3.622 in.6.2L (376 c.i.d.)4.065 in.3.622 in.2 more rows•Jan 5, 2018

Are LS heads reversible?

They are reversible. They’re all the same… Just swap your temp sender to the other side. You’ll also need to make sure the plugs in the ends of the heads are on the front.

Are Flo Tek heads good?

The flow-tek heads are good. budy who owns a machine shop says the castings are well done, and decent valves.