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Post Info TOPIC: TRW Sealed Power LW2256F Speed Pro goes Unicorn in Spring 2011


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TRW Sealed Power LW2256F Speed Pro goes Unicorn in Spring 2011

Well everyone knows that every year Federal Mogul just can't help but to drop the ball when it comes to 350 parts. Sure Federal Mogul aka Sealed Power, Speed Pro and FelPro make some damn good stuff! But why is it every year some part for the 350 always seems to be on back-order until the middle of summer? One year it was their Master Gasket Set, another year it was their self aligning roller lifters and yet again this year their LW2256F pistons!

Everyone knows the legendary TRW 2256F forged pistons are heavy and have massive rings but most people that run them are doing so because they can handle mass amounts of nitrous and are very forgiving. What they do lack is the ability to use them with a full floating wrist pin and thus guys using high end connecting rods either get stuck with a Mahle, SRP or other piston that cost an arm and a leg.

Above is a photo of the legendary TRW 2256F SPEED PRO piston.

Thats where the Speed Pro LW2256F comes into play. The "LW" stands for "Light weight" meaning they weigh much less than the original 2256 forged pistons. The "F" designates "Forged". Also these improved lighter weight pistons allow the use of press or floating wrist pins. In addition to that the LW2256F also has the smaller lower resistance 1/16 top rings but retain the nice 3/16 oil control ring. The best part is they still have a skirt to keep them stable in their bores, unlike Mahle and SRP pistons that do not.

Given the fact that a set of Mahle pistons will set you back a little more than $1000 with rings it's plain to see they are actually better than the more expensive pistons.

If you are looking for a set of SpeedPro LW2256F's your going to have to wait until the 3rd week of June as Federal Mogul is out of stock! They claim to have factories re-tooling and many vendors such as Jegs and Summit claim it's only a 7 day turn around until they call you back and say they are backorderd. Best bet is to scour the earth until you find someone with old stock, or wait until the 3rd week of June to be told they are still not in stock.

Lucky enough for our customer he found a set, and here is what a Unicorn looks like in 2011.

-- Edited by SELLC on Saturday 14th of May 2011 04:46:52 AM


State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994

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