What's the history of the PT10P 5th valve?
I've seen some with the 5th "in" the leadpipe and some after the block. Which setup came first and is the 5th the only design change?
Most folks seem not to like the 10P's - anyone here played both configurations care to comment?
Thanks,
MP
PT10P's - Valve layout
- Peach
- 4 valves

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PT10P's - Valve layout
Peach