Erik-The M90 pushes about 20% more cfm at the sam SC rpm speed, 
something I hadn't thought about since the displacement rating brought 
me to the M62. I would imagine the lower initial CR allows for the 
greater pressure. How is the low end performance & are you using the 
by-pass valve.
 From my experience the plumbing for the intercooler might negate the 
benefit because of the extended piping . If you figured out a way I'm up 
for it.
Is this a street car or track only? Fork over some details , I interested.
-- 
Mitch Seff
Oceanside, N.Y.
75 TR6
http://www.angelfire.com/ny4/triumph5/ 
 
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