sandshark
01-08-2011, 08:01 PM
predator 90..........Do the intake spacers really work ?? Is weisco piston better than a koso ??
qcitytile
01-08-2011, 08:54 PM
I used the koso when we had a predator. I was told they don't weigh as much which help's build rpm's. I have had a motor that liked the intake spacer and one that it didn't make a difference on. My experiance is it's not a big differance more of a fine tune.
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