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Post Info TOPIC: Sealed Power Pistons VS. Mahle
What sort of pistons do you like using? [4 vote(s)]

SPEEDPRO - Power Forged
25.0%
Mhale - Forged
25.0%
JE - Forged
25.0%
Sealed Power Cast
0.0%
KB Hypereutectic
25.0%
GM Factory
0.0%


OUT-OF-HAND

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Sealed Power Pistons VS. Mahle


Recently I had a customer whom wished to try out a set of Mahle pistons in his 350 Chevy engine. While we normally stick with the SpeedPro/Sealed Power units I figured what the hell.

To my surprise the Mahle pistons are VERY LIGHT weight, and they claim to be forged. I was very happy with the finish and precision machining of the pistons. The Mahle pistons have a fully floating wrist pin which is another advantage over the pressed pin found on most all other Chevy pistons.

Another nice thing about the Mahle pistons is the generous valve relief's that would allow very large cams without the need to worry about piston to valve clearance.

The rings claim to be "Low Resistance" and are actually a bit bigger than stock but not as beefy as the SpeedPro. Guess this is where the "Low resistance" comes into play.

All things given I was very impressed with the 350 Mahle pistons.

We all can than JS - of Ohio for buying the pistons so we could share these photos.



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State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994



Member

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Date:

Thank JS cuz your broke ass would never be able to afford them pistons wihtout taking out a 3rd mortgage on your trailer home.

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$y$Op

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Date:

stoma wrote:

Thank JS cuz your broke ass would never be able to afford them pistons wihtout taking out a 3rd mortgage on your trailer home.




They are rather expensive. Somewhere in the $400-600 range per set. I dont know why you have to be such a jerk all the time, however I take it you like them.... DONT YA!biggrin



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All the best!



Member

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Date:

STFU Optimus Prime salad tosser!

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OUT-OF-HAND

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Date:

Toss this



Roll-Out! LOL



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State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994



User

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Posts: 198
Date:

Factory LT1 pistons are made by Mahle.....

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We do PRECISION GUESSWORK based on vague assumptions and unreliable data of dubious accuracy provided by persons of questionable intellectual capacity. Now what can we fix for you today?


OUT-OF-HAND

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Posts: 8786
Date:

I think you better check twice on that. Factory pistons are cast with the GM logo with a casting number that crosses to GM.

I would be very interested to see a link supporting this claim if you happen to have one.

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State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994



OUT-OF-HAND

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Date:

I meant to get a photo however the factory pistons for an LT1 are Mahle. I just threw away about 32 of them with bent rods. I did notice that the non-LT1 350 of the 90's thru 2000 are GM branded pistons. Most of the time I just toss the old pistons as they are no longer worth a damn. I still have 16 left and Ill scurry up some photos within the week.

I still like the Sealed Power pistons the best. Maybe because pure Naturally Asperated has never appealed to me. It explains the metric rings on a 350 engine, and as such they dont belong.

Good Eye BAH. 



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State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994



Member

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Posts: 1437
Date:

SELLC wrote:

 

I just toss



We know you do that....... FAG!!!!!!!!! put some jelly on it and get to work!!!!!!!!!!!!



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OUT-OF-HAND

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Date:

You seem to know a lot about tossing salad Stoma...

And to think all this time we thought you were in a mental hospital, only to find out you were sucking ass in the pen.



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State of Michigan Certified Master Auto Mechanic +2

Specialty Certified Since 1994

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