500cc Big GX Competitive?

[RadialFin]

Remember to compare axle torque as a result of your gearing rather than what’s at the crank. That mistake gets made when comparing 4t and 2t engines. On paper a 2t might look like it’s going to get smoked…. Until you compare gearing (or calculate for HP at axle)

 

[gillyiowa]

Exactly, just read my post. 1/8 mile is a very short track. Now try to take it to a road track against any 2 stroke (even small 100 cc). Or a short sprint track, no chance, at least 5 second slower per lap compared to an X30, even more to a KZ 125 shifter or my Wankel. As I said at a small dirt oval maybe, but I am sure you didn't race against the National UAs champ either.

Yes we ran against top 10 uas guys. On short tracks around here 450,s are over kill

 

[rainman]

Yes we ran against top 10 uas guys. On short tracks around here 450,s are over kill

I said against the GN Champ. And I also said at a small oval maybe.

 

[gillyiowa]

I said against the GN Champ. And I also said at a small oval maybe.

if you mean drivers from the uas nationals,yes

 

[rainman]

if you mean drivers from the uas nationals,yes

I mean the Champ. You won't beat the UAS GN Champ because he was on a perfectly tuned 150 cc 2 cycle.

 

[gillyiowa]

I mean the Champ. You won't beat the UAS GN Champ because he was on a perfectly tuned 150 cc 2 cycle.

you are right, but we are on a whole new conversation. that 150 will work on any track, a 450 will not

 

[rainman]

you are right, but we are on a whole new conversation. that 150 will work on any track, a 450 will not

I bet you if the same team running the 150 runs a 450, a GM or a Jawa at the sane track they would still be on top beating everyone.

 

[medusa51]

I bet you if the same team running the 150 runs a 450, a GM or a Jawa at the sane track they would still be on top beating everyone.

I know they have tried other engines but always go back to the 150. Now they are trying a iame 175 I let the cat out of the bag.

 

[rainman]

I know they have tried other engines but always go back to the 150. Now they are trying a iame 175 I let the cat out of the bag.

There are other reasons why they are in the 150, but they have won on every engine package they have run and with different drivers too.