srobertson at ssimicro.com
Wed May 7 08:23:34 PDT 2008
How much compression are you running?
Well I finally ( how about over a year) got the motor in my SV. I
started over a year ago. Balance and lighten crank and flywheel
(thanks BRG Racing), 1 mm over zlock pistons, 1 mm over intake valves,
mild porting and radius valve job, Zoran's springs with 03 cam swap ( I
may put in the Webb cams later), all new bearings, shell and ball, new
In a word, wow! The dyno run was good, it just ran out of power at
73.5 hp (factory pro) only 4 HP over my other motor ( busa pistons and
03 cam swap, both motors with M4 and flatslides). However from 5700 to
9000 there was a fat 5-8 HORSEPOWER gain all the way through, and the
5k dip is gone. Running 100 octane pump gas.
I rode it yesterday at Thunderhill, and am I smiling. The midrange
drive out of the corners is fantastic. I finally don't feel abandoned
on the front straight, the 600s still pull me, but they don't pull me
that much, and the tighter course is just dynamite. 6-7-8-9 rocks.
Definitely worth the long wait. Thanks to KC for the help along the
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