clivegto Posted October 11, 2022 Posted October 11, 2022 I was surprised also. @Bowmight have a little bit more information on this. 1 Quote
Devilman Posted October 11, 2022 Posted October 11, 2022 16 hours ago, clivegto said: Dave Dunlop flow tested them all against each other with the B12 flowing the best. Ooh that's interesting, Do you happen to know if he included the 750 Dot head from the shortstroke motor in the flow tests also? Quote
clivegto Posted October 12, 2022 Posted October 12, 2022 8 hours ago, Devilman said: Ooh that's interesting, Do you happen to know if he included the 750 Dot head from the shortstroke motor in the flow tests also? Apparently yes. 1 Quote
Bow Posted October 12, 2022 Posted October 12, 2022 Was not loopie who flow tested them. Both Roger Upperton and Paul Cumpstone have flow tested them, and both came to the same result. this was done a few years ago when we were building my lads 1340 nitrous bandit. In the end we used a shim head, simply for the fact of bigger valves and better flow. Quote
Gixer1460 Posted October 12, 2022 Posted October 12, 2022 4 hours ago, Bow said: In the end we used a shim head, simply for the fact of bigger valves and better flow. And they go / flow even better with 30/26's in them M & N heads universally accepted as best stock flowing heads, its just no one trusts the shims (which on a relatively low revving, peak power 'big' engine shouldn't be an issue). Question - why would Suzuki san put the 'best' flowing head on the most under performing engine in its line-up? 1 Quote
Gsxrsam Posted October 12, 2022 Posted October 12, 2022 4 hours ago, Gixer1460 said: And they go / flow even better with 30/26's in them M & N heads universally accepted as best stock flowing heads, its just no one trusts the shims (which on a relatively low revving, peak power 'big' engine shouldn't be an issue). Question - why would Suzuki san put the 'best' flowing head on the most under performing engine in its line-up? No tooling changes.... put some wussie cams in and 4mm smaller carbs makes a great torquey tourer.......All out of parts bins.... genius..... Quote
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.