Originally Posted by
Speedyrob
The rb ws7 does like to run hotter than most 260-280 is a good temp makes tons of power bottom,mid,top. One problem with the ws7 is runtime a good race tune and i still cant get no more than 7-8 min Tops. Great motors in there prime. Speedyrob
what about the hobby 9 (s5) engine im wondering how hot do they like to run for a race tune ? i mean the last time, i checked it after i got off the track it was about 235 im only on my second gallon.
its a good club racing engine, im running it on my truggy i messing around with my clutch springs to get more punch.