<VV> Cracked Pistons

James Cuneo jamescuneo at hotmail.com
Wed Jan 22 12:22:43 EST 2014


Thanks Mike, My goal is to be able to run 15psi for short bursts reliably. The look on peoples faces when I pull out to pass, turbo singing is priceless. As for choices of pistons, I am open to all possibilities. Anyone with first hand experience with the  Clarks Forged?Jim

> From: mmccrae6 at cox.net
> To: jamescuneo at hotmail.com; virtualvairs at corvair.org
> Subject: Re: <VV> Cracked Pistons
> Date: Wed, 22 Jan 2014 09:09:40 -0800
> 
> I never had any problems with the old TRW long skirt pistons, which are now 
> hard to find as hen's teeth. One can always tell a forged piston by looking 
> inside and actually seeing forging marks. The new "Sealed Power" pistons
> have inside walls that appear to be born of sand casting...go figure....yet 
> they still insist they are forged...? Where does Clark's  get these new 
> forged pistons? Everything seems to be from overseas (China) so I'm 
> skeptical. I've also been told, but not confirmed that the Sealed Power 
> come from India and that quality control measures have been poor at 
> best....can anyone confirm this?
> If you're looking for performance than you may have to consult with US 
> manufacturers such as Arias or Ross...I've had excellent results with both, 
> but they're not cheap....remember, Horse power ='s $...how fast do you want 
> to go...?
> 
> Mike McCrae
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