quote:

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Originally posted by DonS:
I did some testing with the sponsons last night. Calm water slight ripple, 4 solid bars on gas,trim 1 notch down, 3/4 mile runs,2 passes without being stepped GPS 72 showed 71.8 mph @ 7030 rpm, stepped 2 passes 71.7 mph @ 7030 rpm , It took slightly longer to reach peak rpm and speed with them stepped. The little that I'm loosing there going to stay stepped.

02 gp1200r
ppk,5200
t-handles
pump veins sharpened,doo oil
R&D dbl. bar intake grate sharpened
LI I-Cut 14/20 b/c w/washer
R&D Ride Plate LI Angle Mod.
d-plate w/c
SBT Retainers,Waveeater Couplers
Stock Head 37cc 145psi
Prok F/A, Pro-Tec Adaptors
125 main,110 pilot,1.5 n/s 52 psi
Premix 80:1
Tiny Tach

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DonS when you did your first 2 runs were the sponsons run in the up or down position?

Jason S one of the Island Racing boys