Originally Posted by
maxflo777
If its a 21, there's nothing faster than a 21-7FMS, but I've never seen an engine in a truggy more powerful than an Extech/Sirio/Orion (whatever) .24 with a sirio/trinity fatboy pipe, that thing throuws a guy's RC8T at my local track like if it weighted 3lbs less around, REALLY, its like putting that 21-7FMS on a buggy, simply to much, its not that its enough power, its that it probably overwhelms the truck, and!, its not modded, but thats just good enough for me LOL modded, even better! Just choke it with a 6mm restrictor!
X
I have the ex-tech .24 and that thing is just too much. I had to take it out because I couldnt control it. I put the GRP .21 non tuned and that engine helps me stay consistant and ahead of the pack.