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Christer Johansson skrev: > I used 108in , 106ex on my old combo wich was a street setup (270hp) > using a Garrett T03. maybe itīs because the Rayay turbo in the Mr turbo kit > is so sluggish (inefficient) that they recommend a lobe centerline of 103-103. > This would give a faster spool up of the turbo compared to a "higher" LC. > Cam settings will vary too much between different setups too make any > comsumptions from other setups. There are many different factors > that combined will determine wich is the optimal cam setting, > one big player is the size of the exhaust housing (amount of backpressure) > others are ,valve lash, exhaust pipes length and diameter, ignition timing etc > etc. > I got an idea when planning a drag motor once, if You use a two step rev limiter > (stage/top) You could connect the stageing limiter to a timing retard ,retarding > the timing some 20 degrees or more would give alot of heat thus spooling up > the turbo much faster, the moment You let go of the clutch the timing would > change back to the normal mode. That way You could run a higher LC helping > top end power but still have some power off the line.......... just an idea. > > Christer > > GSXRTurbo1@aol.com skrev: > > > Thanks to all for your replies. There is much discrepency in what to set the > > cams at: > > Mr. Turbo recommends 103 103, Rick suggested 110 110, etc etc. Seeing how > > Rick has made much HP with his combo, I would tend to give his suggestions > > more weight. I'll probably go with a compromise, though, something like 106 > > IN 107 EX. I'll eventually experiment with the settings, trying one cam at a > > time from 102-112 lobe centers. Thanks again for your responses.