You will get several answers to your first question but I am old
school which recommends to try and stay between 2 - 3K rpm and
change speed fairly often. When you return and the engine has cooled
re-torque the head bolts and then reset the valve clearances.
Speedo bounce: check the speedo cable for lubrication and that it is
not coming apart. If that is alright then it is most likely the
speedo it self, at least that has been my experience.
1960 Austin Healey Sprite (Mk IV in disguise)
1966 Austin Healey Sprite Mk III (Trevor)
2000 Miata Special Edition
On Apr 12, 2008, at 2:42 AM, Brad Fornal wrote:
> To help seat the rings, I am taking a 60 mile; one way trip, to
> Denton this
> afternoon. I'll have a bite to eat, let it cool all the way down,
> and drive
> it back home.
> What is the best suggested break in rpm? Or is there a variety of
> that makes it better.
> I will be taking the interstate, that has a speed limit of 70, if that
> matters any. If I need to break her in at lower speeds, I need to
> know that
> as well.
> Also, my speedometer is bouncy. What usually causes that? Loose
> ends at the
> transmission or speedometer head, lack of grease on the cable, or bad
> speedometer itself?
> When I put it on at the transmission, I didn't tighten it all the
> way snug.
> To do that, I'd need to get the pliers after it, and I wasn't sure
> that was
> the way to go.
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