I can take some digital pics of what the pistons and cylinder walls look
like on a 73.5 overbore after cylinder wall flex destroys the pistons. Been
there, done that. The torque is phenomenal, the engine life, about 8,000
miles, and believe me, the damage to the cylinder walls cannot be corrected
by going to 74.00. And there is not enough metal left to even put cylinder
liners in. I keep the block around to remind me not to try it again.
David Riker
74 Midget
63 Falcon
70 Torino
http://home.pacbell.net/davriker
----- Original Message -----
From "David N Waldmann" <david at vermonthardwoods.com>
To: <spridgets@autox.team.net>
Sent: Thursday, March 07, 2002 5:10 AM
Subject: Re: Piston and Cam questions, NOW with HP considerations
> Gerard,
>
> I don't disagree with you, since I have no experience, but I do have a
> question that has been lingering for some time now. What about boring .120
> over (73.5mm, 1380cc) in accordance with Vizard's recommendation as being
> one of the best components for more HP? Or have I misunderstood him? This
is
>
> BTW, even at 73.5mm you still have one overbore left at 74mm, if the
73.5mm
> bore was offset when it was done.
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