Curious if anyone has used the Speedmaster79 pistons?
Pro comp Electronics forged pistons.
Piston quality?
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Re: Piston quality?
I have used their heads & know others who have also, with no problems. But I would hesitate to use a highly stressed part such as a piston without some feedback from someone who has used them.
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Re: Piston quality?
yes, on a 408 stroker 351w with AFR 225s, solid roller. customer supplied em, no problems to date. they were all within 10grams, ring lands had more clearance then i would have liked, they all seemed to be within .0002 at the skirt. they had a generous amount of ptv clearance with a 268@.050 108lsa 104 ica.88bluestar wrote: ↑Sun Oct 25, 2020 7:45 pm Curious if anyone has used the Speedmaster79 pistons?
Pro comp Electronics forged pistons.
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Re: Piston quality?
The question that needs to be asked is what power level, stroke and rpm do you need them to live in?
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Re: Piston quality?
In a very high performance engine, use the highest quality piston that is available, regardless of price. Even if you have to rent out your wife to pay for it.
For normal performance levels, it is very hard to beat the OEM pistons in terms of quality and durability, if properly
matched to the application.
For quickie repairs, to be promptly sold, use any cheap piston that fits.
For normal performance levels, it is very hard to beat the OEM pistons in terms of quality and durability, if properly
matched to the application.
For quickie repairs, to be promptly sold, use any cheap piston that fits.
Re: Piston quality?
I like their engine block-off/cover kit
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I know as much as I can learn and try to keep an open mind to anything!
If I didn't overthink stuff I wouldn't be on speedtalk!
Re: Piston quality?
I use their billet tapered carb spacer. For $45 to my door I can spend that money saved on other parts. Especially when the only way to know if the spacer helps is after testing. I don’t feel like spending $150 for a spacer that might sit on the shelf. But that is just me.
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Re: Piston quality?
why soytunly ! any & all those sold by skippy the white are the bees knees
pistons by CP or Diamond or Mahle are also good