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T350 with RD heads

Posted: Thu Aug 30, 2012 1:30 pm
by Vintageman
What do you know about this bike?

http://www.ozebook.com/compendium/photoblog/67.html" onclick="window.open(this.href);return false;

It has RD heads, squish band versus T350 domed :up:

Are there any other proven performance mods one can do to a T350?

Re: T350 with RD heads

Posted: Thu Aug 30, 2012 8:50 pm
by tz375
I seem to recall that Michael Pettifer had an early T350 (315?) many years (decades) ago with 6mm spacers under the barrels. Decent squish head have to be a good idea too.

Re: T350 with RD heads

Posted: Fri Aug 31, 2012 1:25 pm
by Vintageman
Tz375,

That's interessting. I am worried the RD head combustion area is 3 mm wider. If that even matters

If you choose to lift the cyclinder / exhaust port some you could shave the RD head as well.... just so the flat area is at about ~62mm (same as T350 head). This should leave a lot of squish squish area on RD head still (need to check).

6mm wow :shock: That sound like a lot. Race bike only?

Re: T350 with RD heads

Posted: Fri Aug 31, 2012 3:51 pm
by tz375
Head machining has to e done right but it's not rocket science.

I rode that bike on the street, but don't tell anyone....