<VV> speedo and clutch questions

[MarK Durham]

My clutch bucked for about 10k miles before it smoothed out. I was worried
there was a problem but it was just breaking in. Mark Durham, Hauser, Idaho
On Aug 27, 2015 3:46 PM, "Randy Hook via VirtualVairs" <
virtualvairs at corvair.org> wrote:

>
> Question no. 1:  On a recent trip to Pittsburgh, PA (Irwin, actually) from
> Bedford, PA to pick up a tranny for the wifes' water pumper, (no one
> locally had one.  It's a "one year only" kinda deal) I noticed something
> unusual with my '60.  The PA turnpike mile markers said is was from 146 to
> 66 for a total of 80 miles.  Plus the mileage to the junkyard of about 4
> miles.  (Just a guess)  When I returned to Bedford and filled up, my speedo
> said the trip was 90 miles out and 4 miles to the junkyard, for a round
> trip grand total of 188 miles.  By the turnpikes' mile markers it totaled
> 168 or so.  And something else that was a little odd.  When I cruised past
> one of those "radar gun signs" in a road work zone that broadcast your
> speed to everyone, the sign read 53 while my speedo read 58!  The '60 has a
> '64 4spd and axle, 3:55 gears and a Spyder dash.  The tire sizes are 180/70
> 13's on the rear and 180/80/13's on the front.  Now, the question is this:
> would the difference in tire size be the reason for the inaccurate speedo
> readings, or should I look somewhere else?  Would changing the tires front
> to rear remedy the situation?  Inquiring minds want to know.
> Question no: 2:  What would cause the clutch to buck and hop when released
> after the '60 is shifted into reverse?  It only does it a smidge when going
> forward in first.  The car has a bolted flywheel, rebuilt pressure plate,
> and new disc from the Corvair Ranch about 10,000 miles ago.  The crank seal
> and input shaft seal were replaced then, too.  Again, inquiring minds want
> to know.  Thanx a million for your help.
>
> Randy (Cap'n) Hook
> '60 700 4dr 110/4spd
> '63 '500' ragtop 110/pg
> '65 Monza 4dr  84/pg
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