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Copper vs. MLS Gaskets for 1,500 HP

For a 1,500-hp capable engine, should it be sealed with copper or MLS gaskets?

Talking Gaskets and Seals with the Pros

Modern engines have taken us a long way from traditional gasket and seal design, and advancements in the technology and composition of rubber as well as advancements in molding processes have brought sealing capabilities to a new level.

Gaskets and Engine Sealing

What a difference a century makes. Engine sealing technology has come a long way from the days when motors were expected to leak and drip past the gasket and onto the ground or vent out into the atmosphere. In the early 20th century, when most people were switching from horses to cars, other, more natural

MLS Gasket Update 2017: Is there anything the MLS gasket can’t do?

Sometimes, the less you know the better. I’ve spent the last 50 or so years punishing all types of engines with insane compression ratios, huge doses of nitrous oxide, and virtually every type of supercharger I could get my hands on.

Diesel Performance Head Gaskets

The stock head gaskets that are used in most light truck diesel engines are robust enough to handle peak combustion pressures in the 1800 to 2200 PSI range, but may not do so well at higher pressures if the engine has been tweaked to produce more power.

When to Upgrade a Performance Head Gasket

A rule of thumb for performance engine building is that if you are doubling an engine’s power output, or are going much over 550 to 600 hp, you should upgrade to some type of aftermarket performance gaskets. Upgrades usually require no additional modifications. You just swap a performance MLS gasket for the stock head gasket.

Head Gaskets and Fasteners

The relationship between head gaskets and head bolts is an intimate one. The clamping load applied by the head bolts is what allows the head gasket to maintain its seal. For this marriage to last, there has to be constant tension – not too much, otherwise the bolts may stretch or break, and not too

Cometic Hosts Stunt Team and NASCAR Driver at Reception

Cometic Gasket, Inc., in Concord, Ohio, recently held a reception to showcase the new expansion of their home office due to the acquisitions of Delkron and Advanced Sleeve. Cometic Gasket, Inc. has grown into a leading worldwide supplier of custom and short-run gaskets for the motorsports industry, including ATV, drag race, domestic automotive, Harley-Davidson, MX/dirt,

Video: Engine of the Week – 570 cid Hemi Engine

Mike Moran of Moran Motorsports in Taylor, MI began developing this 570 cid Hemi engine capable of 4,400 hp nine years ago. Moran finally finished the engine earlier in 2018 and wound up with a 5,295 hp, 100% billet engine! Find out what it took to make this one-of-kind engine in our Engine of the Week sponsored by Cometic Gasket and Penn Grade Motor Oil.

Baldwin Racing Engines’ 440 LS Late-Model Dirt Engine Wins Engine of the Year 2018

Following a voting contest in November, Baldwin Racing Engines’ 440 LS Late-Model Dirt engine came away the winner of Engine Builder magazine’s 2018 Engine of the Year contest sponsored by Penn Grade and Cometic Gasket. Jeff and his team were presented a custom milled valve cover trophy at the Engine Builder PRI Party Wednesday, December 5 at the Rock Bottom Brewery in Indianapolis. 

Video: Engine of the Week – Mickey Thompson 3-Valve Chevy V8

Engine of the Week sponsored by Cometic Gasket and Penn Grade Motor Oil features this Mickey Thompson 3-Valve Chevy V8 engine out of a 1968 Indycar. The engine was completely rebuilt by Jason Ore of 955 Automotive in Erie, PA.

Video: Engine of the Week – Big Bore LS Engine

This week we dive into the details of a big bore LS engine built by Jeff Ginter of Jeff Ginter Racing Engines located in Artesia, CA. Engine of the Week is sponsored by Cometic Gasket and Penn Grade Motor Oil.

Video: Engine of the Week – Kamikaze Chris’ 566 cid BB Chevy Engine

Check out the details of this 566 cid big block Chevy engine built by Graham Jones of FastTimes Motorworks Inc. for Street Outlaws star Kamikaze Chris. This newly rebuilt engine will be in the infamous El Camino this season. This video is sponsored by Cometic Gasket.

Video: Engine of the Week – 440 LS Dirt Late-Model Engine

We called up Jeff Baldwin, the owner of Baldwin Racing Engines in Freidheim, MO, to get the scoop on this 440 LS Dirt Late-Model engine he built for a customer in Australia. Find out all the details of this Engine of the Week sponsored by Cometic Gasket.

Video: Engine of the Week – Twin-Turbo V6 Nissan GT-R Engine

Check out this amazing Twin-Turbo Nissan V6 GT-R engine built by Mike Cogburn of CP Engines. This video is sponsored by Cometic Gasket, Inc.

BMW S65 V8 Engine – Video

In this video series sponsored by Cometic Gasket, we will introduce you to different engine builders from all around the country and the unique engines they build, highlighting the detailed work that goes into each engine.

Dream Engine Giveaway Ep. 4 – Bottom End Assembly

Now that Chris has checked all our specs, we begin to assemble the bottom end components of our small block Ford such as the rotating assembly, main and rod bearings and the camshaft. Next episode, we will be getting into our cylinder head assembly and more of the valvetrain components. Thanks to our Component PartnersWorld

Dream Engine Giveaway Ep. 2 – Block Prep

Our block is back from the machine shop and is ready to get prepped for assembly. We walk you through those initial steps before our rotating assembly can be installed. Make sure you enter to win this small block Ford here: https://www.enginebuildermag.com/2022-engine-giveaway/ Component PartnersWorld Products Man’OWar 351 blockCallies Performance Products  crank and rodsDiamond Pistons custom pistonsTotal Seal

Dream Engine Giveaway Ep. 1 – The Parts for our Twin-Supercharged Small Block Ford

We dive into the parts that will be making up our small block Ford Dream Engine Giveaway build.