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Hi People,


About to install the HPI ribbed pipe on my Sav .21. What's the suggestion for tuning? Everything else about the motor is stock as far as I can tell (bought it second hand). My guess is to start about a quarter turn richer than I have now?


What to people think?


Mike
 

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When I installed my pipe - I left my settings the same until I had
warmed the engine up, then adjusted it until it ran smoothly through
the rev range. From memory it did run leaner but I got the pipe when I
was still running it in.



Jerrah.
 

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I found that mine was running leaner aswell , so a slight richening was
in order but i tune mine each run and during each run so I never really
noticed any difficulties.
 
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