Al,
You might try to install 2 head gasgets. I used to do this with Triumph
Hearalds years ago when the heads were shaved too much. It just may do
the trick for you. It will lower the compression and that may stop the
pinging.
Kevin V.
Tamaqua, PA
2 74 Midgets
1 71 Midget
1 74 Austin Marina
Tocci, Al wrote:
>
> Recently I removed the original head from my 1275 motor. I replaced the
> head with a redone unit from an Austin America (don't know the casting
> number). I have no reason to believe the new head was shaved any
> significant amount. With the new head, the motor pings/detonates like
> crazy. To get the pinging to stop, I have to retard the timing so far that
> performance is absolutely horrible. My motor is the stock, higher
> compression 1275 (8.8:1 I think) and I run premium gas. This was never a
> problem prior to the head swap. Any thoughts (other than redoing the old
> head)? Thanks...
>
> Al Tocci
> Doylestown, PA
> '66 Sprite
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