I think you have your statement backwards. The C6 (5 port) has more bottom end. The WS9 (7 port) has more top end. My friend has a WS in his truggy and he use to walk my C6 on the straight away.

You calling me fat Ed? Even free food will not get me to go to that track over Checker Board. Who is this Rob you speak of?

I just ran my C6 for the first time in my new ride(XB808) what a beast! I just sold my Speed and picked up a C6 and a S7. The power of the C6/JP2 is rediculous-almost too much for a buggy. It literally pulled wheelies down hill or when I hit a slight bump with the front. My speed never did that. Plus my mileage was incredible! My goal was to break the 10min mark-never hit that with the speed(6mm). Well it just kept on going and just broke 13 min(7mm) when it died! I would feel very comfortable pitting 11min now. Just 2 pits for me in the main. I have not tried the S7 LGII yet I am hoping for something allittle more linear-Speed like. The C6 may going on Ebay-just too much power. It is probally a ideal truggy engine. May try to tame the bottom with some different pipe combos. Didnt have time to experiment much with all the little new chassis/engine problems. I have JP2-JP4- GRP-novarossi 2050 too chose from right now. Has anyone tried these combos? I know the 2045/198-192 is spoken of highly.

sounds like your just one more having an rb moment lol

Just ran my first race after break in on my KIller tis weekend AMAZING is all i have to say, i love this engine super smooth

what pipe you running?

I've tried them both. Tne new ws9 has too much snap on the bottom end=undriveable. B9 seems smoother with more top end speed.

Hey whats a used good C6 worth???

I have bought two used BBT7 C6's in the past. I paid $150 for one and $175 for the other. Both had less then two gallons on them.

Well then, I guess if someone is looking for one, I have one I got a couple gallons through one and the front bearing started leaking, so I bought another one still in the buggy, and put a TKO ceramic front bearing in the other one that was leaking and raced it one day in a borrowed truggy to make sure it ran good and put it away for a spare. So if I ask like $165 plus freight, that would be a fair price for that spare engine??

i am running a old thunder tiger pipe, 3 chambers it is borrowed right now but it works well

I have heard the JP 4 pipe works well with most engines, I have not used one, I will either use a 9886 Nova Rossi pipe, or the 2045/192. In my expierence the JP 1,2,3's, engines ran hotter, and got less run time, mostly stay with the 2045/192, for big tracks, the 198 header just has way to much bottom, good for short track.

iv only seen 1 k9 and have no idea what pipe was ran. k9 seems to be interesting from rb

This is true. I have a friend who is running my WS7 with Sirio 2013 with 8mm and he's able to run about 10-10 1/2 minute runtime with great power from bottom to top.

Do you guys know that K9 is made in Taiwan not Italy. My friend bought his K9 and returned it b/c it wasn't made in Italy.