<VV> 140 Valve Seats
Macdonald David
dmacd_us@yahoo.com
Wed, 9 Jun 2004 05:47:27 -0700 (PDT)
My theory is that 140's drop valve seats becuase they
are 140's and people buy them becuase they can drive
them hard and do just that.
If non-140's spent as much time at WOT they would drop
almost as many seats :)
My theory is based almost no data whatsoever, so I
don't think it's statistically valid either.
[When I was still a teenager, I owned a '68 GTO. I
went through three engines in that car. My conclusion
at the time was that Pontiac 400's were unreliable. I
have teenagers of my own now so I know the engines
were fine, it's teenagers that are the problem]
David
--- GYoungwolf@aol.com wrote:
> Since 140 seats seem to be one of the criteria for
> it being better or worse
> than a turbo, I need to add that on every dropped
> seat engine I have worked on
> there has been a defective carburetor on the same
> side, usually a secondary,
> and usually with bad float or loose inlet seat.
> While I certainly have not seen
> enough for this to be statistically valid, it is
> something I recommend
> keeping in mind for 140 owners. All that extra fuel
> being introduced can't be a good
> thing.
>
> The Carbmeister
>
> ps. Thanks for the offers on the old AOL - I have
> one on the way.
> pps. Wife is improving rapidly and will probably be
> released from the
> hospital tomorrow. Thanks for all the nice notes and
> prayers.
> <<As for the valve seat problems, I think most
> people feel that dropped seats
> are probably due to engines that don't cool
> properly. If yours is dirty and
> full of rat's nests or something you shouldn't
> expect it to run forever>>
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