What size of Shot is everyone using. They recomended we start with a 10 shot on my Twin Peaks 800 BB, That did not make much difference. I gained about 10 HP on the dyno. We ordered a 20 shot to try in it. Does any one know if that woud be to much for an 800 bb V-twin. Or should I go bigger????

 

I went from 10 or 15 to a 20 and it was a BIG difference. Make sure you have enough fuel flow, I ran my bowl dry once or twice. She still runs strong as ever though.

 

I run a twenty five. That twin could handle alot more than that, but if your not familiar, just run the lesser shots until you are, than start trying the bigger shots. If you push your float bowl dry, you are more than likely too rich.

 

All the Boondocker kits come with 15 and 20 hp nozzles. Most quads can take a minumum of 15 hp. The DS can take about 25 on the stock piston. 30 is pushing it unless you have an upgraded piston for the DS.

 

Marky, dont you think that twin 800 can handle a twenty shot each? Heck thats a 400cc slug!

 

Well it breaths through one air breather, so it has only one nozzel fogging into it now. To seperate the two carbs would require some major custom work on the intake setup. Unless you were thinking just plugging two nozzles into the top of the breather. That might work.

 

My HPR 730 takes a 25 shot without worry. On the dyno that Boondocker 5-hole equates to about 21ponies at the rear wheel. I'm probably going to a 6-hole (30 shot). I'm running 110 leaded race fuel, and a 13:1 super featherweight piston. I also run a RWR CDI.

 

Stock is 9 to 1 and my big bore kit has it 11 to 1 now. I am also running 110 octain.

 

CC, we need a touch more info....

Is the 11:1 piston a forged piston? If it is, you can way shoot a 20 shot. BD recommends a 10 for initial purposes so that you get the bugs worked out, and you get past the learning curve. I would suggest the same, but after you are up to snuff, a 20 wouldn't be a problem with that CR. JUST MAKE SURE THE PISTON IS FORGED!

 

I am not realy sure, I think they are wiesco's. They came in the Big Bore kit we bought from Four Stroke tech. Keep in mind there are 2 of them its a V-twin.