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nambduke · 10-02-2009, 07:42 PM

......at the turbo location. I was always under the impression turbos worked better if the exhaust tract was as short as possible - helps turbo spooling up? Long exhaust tracts even with a small turbo (to aid spooling up with exhaust gases) will mean some turbo lag.......

Mind you, lag can be fun......nothing happens then POW! Houston we have lift off. Suggest you run fully on a rolling road to see what the power delivery characteristics are before taking to the road!

Have you lowered the compression ratio? Turbo engines are low comression high output.....detonation - engine destroying itself are common is compression ratio is too high.

Best of luck
Mark

10-02-2009, 07:42 PM	#13
nambduke Silver Member Join Date: Feb 2005 Location: Redcar Bike: M1000ie Posts: 516	Extremely surprised....... ......at the turbo location. I was always under the impression turbos worked better if the exhaust tract was as short as possible - helps turbo spooling up? Long exhaust tracts even with a small turbo (to aid spooling up with exhaust gases) will mean some turbo lag....... Mind you, lag can be fun......nothing happens then POW! Houston we have lift off. Suggest you run fully on a rolling road to see what the power delivery characteristics are before taking to the road! Have you lowered the compression ratio? Turbo engines are low comression high output.....detonation - engine destroying itself are common is compression ratio is too high. Best of luck Mark __________________ Black Side Down Last edited by nambduke; 10-02-2009 at 07:44 PM..