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Technical stuff
Pistons: Hypereutectic or forged
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Topic: Pistons: Hypereutectic or forged (Read 5993 times)
Mike Cott
Jr. Member
Posts: 77
Pistons: Hypereutectic or forged
«
on:
March 12, 2017, 22:29:23 pm »
what are the pros and cons of each option
Forged double the costs are they worth it?
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Zach Gomulka
Hero Member
Posts: 6991
Don't piss down my back and tell me it's raining.
Re: Pistons: Hypereutectic or forged
«
Reply #1 on:
March 12, 2017, 23:21:31 pm »
Forged can take more abuse.
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Born in the '80s, stuck in the '70s.
fish
Full Member
Posts: 224
Re: Pistons: Hypereutectic or forged
«
Reply #2 on:
March 17, 2017, 11:07:28 am »
I've heard arguments for and against both, having spoken to a very good, big HP drag engine builder creating massive Chev engines. He uses both "forged" and "hypereutectic" for different requirements and recons hypers can handle 1.5 - 2 HP per cubic inch easilly.
There is more to just the process of manufacturing and materials used.
Weight, pin height, skirt design, friction coating, heat treatment, engine set up, rpm, ignition timing, rod ratio, piston speed and many more factors come into choosing the right piston. For a streeter both will work.
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Had a fight with a Magneto, it won!
Mike Cott
Jr. Member
Posts: 77
Re: Pistons: Hypereutectic or forged
«
Reply #3 on:
March 17, 2017, 12:02:16 pm »
Thanks for info there fish, I think I'll try the hypers can upgrade whenever.
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Udo
Hero Member
Posts: 2077
Re: Pistons: Hypereutectic or forged
«
Reply #4 on:
March 24, 2017, 20:44:03 pm »
Only use forged on high perf . engines
Udo
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www.Udobeckertuning.de
Mike Cott
Jr. Member
Posts: 77
Re: Pistons: Hypereutectic or forged
«
Reply #5 on:
March 24, 2017, 20:59:58 pm »
Udo, would you class a 94x76 as a performance engine?? I suppose it depends on what I put on it really
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Zach Gomulka
Hero Member
Posts: 6991
Don't piss down my back and tell me it's raining.
Re: Pistons: Hypereutectic or forged
«
Reply #6 on:
March 25, 2017, 20:03:00 pm »
Quote from: Mike Cott on March 24, 2017, 20:59:58 pm
Udo, would you class a 94x76 as a performance engine?? I suppose it depends on what I put on it really
Really? I wouldn't classify it as stock.
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Born in the '80s, stuck in the '70s.
benlawrence
Full Member
Posts: 173
Re: Pistons: Hypereutectic or forged
«
Reply #7 on:
March 25, 2017, 22:55:48 pm »
I think udo means " High " performance, big rpm big compression motors ( or force fed ), ive run AA hypers for 5 years now and beat the sh*t out of them, i run the car hard, 8k+ rpm always shows up on the tach recall
for a 200 hp street car theres no need to go forged ( imo )
«
Last Edit: March 25, 2017, 23:02:19 pm by benlawrence
»
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modnrod
Hero Member
Posts: 795
Old School Volksies
Re: Pistons: Hypereutectic or forged
«
Reply #8 on:
March 25, 2017, 22:56:35 pm »
I prefer cast or hypers for their low thermal expansion and weight, but my engines usually don't rev past 7 and I tend to keep any boost under 1 Bar usually, so I haven't found the need for forged on my street stuff for any of my toys, ACVW or otherwise.
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Mike Cott
Jr. Member
Posts: 77
Re: Pistons: Hypereutectic or forged
«
Reply #9 on:
March 26, 2017, 09:35:42 am »
Thanks Ben and Modrod, this info is what I was looking for. On bens recommendation think I'll go the Hypers for now it's not a really big performance engine is turboed etc certainly not stock tho Zac
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Udo
Hero Member
Posts: 2077
Re: Pistons: Hypereutectic or forged
«
Reply #10 on:
March 29, 2017, 15:20:10 pm »
Quote from: Mike Cott on March 24, 2017, 20:59:58 pm
Udo, would you class a 94x76 as a performance engine?? I suppose it depends on what I put on it really
Yes definitly high performance
Udo
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www.Udobeckertuning.de
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