Discussion
Brummmie said:
I ordered two new ram pipes from Kinsler in the states, the ones on the engine are 60mm, the new ones took me by surprise as they are 230mm.
I also ordered this neat little concentric cable pulley, as if you sneeze on low throttle it releases about 300bhp it's a bit sensitive!
Do you have any more details about this? I have a similar (but much smaller magnitude) problem to resolve. Thanks!I also ordered this neat little concentric cable pulley, as if you sneeze on low throttle it releases about 300bhp it's a bit sensitive!
I have had my own stuff made...
This new trumpet is 7% larger, same as the itb body, and a theoretical 6250rpm peak efficiency, old trumpet was 7k, probably a bit high for natural peak of the engine, it will still rev but peak torque and power should be higher as its all hopefully peaking in the right place, will Dyno soon...

This new trumpet is 7% larger, same as the itb body, and a theoretical 6250rpm peak efficiency, old trumpet was 7k, probably a bit high for natural peak of the engine, it will still rev but peak torque and power should be higher as its all hopefully peaking in the right place, will Dyno soon...
Edited by Brummmie on Monday 1st June 18:05
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