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Originally Posted by Guest
what kinds of gains did you see on the dyno?
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Dynoed the system and here are the results (all in SAE, although the dynos are taken on different dynos and of course on different dates):
BEFORE: OEM Mikuni carbs, Dynojet stage II, BMC airfilter with perforated airbox cover, 944HC Pistal pistons, BCM mild head porting, lightened flywheel, OEM headers, Termi slipons, = 82.1 HP and 68.5 ft-lbs torque.
AFTER: same as above but with 41mm FCR's and the custom spaghetti's = 85.8 HP and 75.1 ft-lbs torque.
Deltas: +3.7HP and 6.6ft-lbs torque.
But what you can't see in these numbers is that with the spaghetti's/FCR's, the "brickwall" that the 2V engine hits above 7500 RPM is much less and HP tapers off less.
Nice for a non-SSie 2Vduc.