<VV> Stock Piston Breakage

[Charles Lee at Proper Pro Per]

In California, driving under 65 gets cops and school buses honking at you to 
get out the way !

"Keeping pace" with traffic and not watching the speedo has got me going 95 
before I notice (OK, maybe I like to stay a little ahead of the motorists 
who are reading or texting while they drive, but just enough so they can't 
reach me...)




----- Original Message ----- 
From: "Roger Gault" <r.gault at sbcglobal.net>
To: "BBRT" <chsadek at comcast.net>; "Corvair List" <virtualvairs at corvair.org>
Sent: Monday, May 14, 2007 1:58 PM
Subject: Re: <VV> Stock Piston Breakage


> Chuck,
> I think they're just doomed by the pounding from detonation.
>
> My first "real" Corvair was a '66 110 - we won't count the '62 beach car
> that pumped a quart of oil out the dipstick hole every 40 miles.  The '66
> got great gas mileage (33+), but clattered all the time.  I assume it ran
> lean.  I broke two pistons in it before I went forged.
>
> I haven't had any recent bad experiences, since I've actually been running
> the same '65 140 for the last 26 years.  It has had forged TRWs in it 
> since
> it broke the second stocker within the first year after I got the car.  I 
> do
> eventually learn from these experiences.  ;-)
>
> Roger
>
> ?? When did 80mph on the highway stop being "normal" ??
> You drive slower than that around here and you'll have everybody waving
> their middle finger at you.
>
> ----- Original Message ----- 
> From: "BBRT" <chsadek at comcast.net>
> To: "Roger Gault" <r.gault at sbcglobal.net>; "Corvair List"
> <virtualvairs at corvair.org>
> Sent: Monday, May 14, 2007 3:33 PM
> Subject: <VV> Stock Piston Breakage
>
>
>> Hmmm. And reasonably high rpm for extended periods?  So any cracks really
>> show up?  Do you think they would have broken in "normal" usage? (Meaning
>> around town, low rpm-like speed limit? Or do you think they would break
>> anyway in extended hot highway driving?)
>>
>> I have no experience in breaking any but have little on-road experience.
> My
>> FCs did fine and so did my LM cpes in FL, but then I didn't run them
> really
>> hard.
>>
>> Chuck S
>>
>> ----- Original Message ----- 
>> From: "Roger Gault" <r.gault at sbcglobal.net>
>>
>> > Chuck,
>> > I think running around in hot Texas summers with a little bit of 
>> > pinging
>> > breaks the stock pistons whether they have new rings or not.  All the
> ones
>> > I've broken have been with "old" rings.  At least "I" had not changed
> the
>> > rings.  They were also all after a relatively long stretch of highway
>> > (read
>> > that 80mph) driving.  Of course, being a responsible, law abiding 
>> > adult,
> I
>> > no longer drive at such speeds.
>> >
>> > Roger
>>
>> > ----- Original Message ----- 
>> > From: "BBRT" <chsadek at comcast.net>
>> >> I am tending to think the stock old, used pistons break when new rings
>> >> are
>> >> put on them. Seems as if, using the old pistons and old rings in the
> same
>> >> cylinders-assuming they are suitable for use - doesn't carry the same
>> > threat
>> >> of breaking them. >> What do y'all think?
>> >>
>> >> Chuck S
>> >> BBRT
>>
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