[Spridgets] 1275 head & valves
Hal Faulkner
frog.aye at gmail.com
Tue Jan 19 15:31:21 MST 2010
On Tue, Jan 19, 2010 at 2:03 PM, Michael Rowe <mdrowe at optonline.net> wrote:
>
> The air injection ports are blocked, but each has a fair-sized nipple or
> something extending well into the exhaust port in the worst possible place.
> Is this normal, or has something been shoved in there by the plug?
>
Michael,
You can remove these nipples by first taking out the plugs.
What you might want to consider is enlarging the exhaust valves (per Vizard)
which can gain some horses and improve mileage because of reduced pumping
losses.
Hal
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