121" with boost

Hartman was telling me to run a 1.50 on mine but that isn't the type of riding I do
 
Any major differences between the extension companies products, Hartman, Tracks Usa ETC.?? Tracks USA has the best combo pricing I see so far. Any stronger then another? Found a used 136" ripsaw with only 400 miles on it.
 
does a boosted nitro really make 250 hp on 9lbs boost. if it does my apex is history
 
SMOKE you said:
does a boosted nitro really make 250 hp on 9lbs boost. if it does my apex is history

Ulmer and Hauk are guessing with the work I allready have done to this sled PLUS 9-10LB's should have me in the 250 range. That is per Allen. The last Dyno prior to the engine break in was at 169.5 HP. So they are guessing she might be at 170-174 now. Since she took so much more weight after break in. W ecould turn up the boost, but I would really like to make sure she can still stay on the trail ;)!
 
SMOKE you said:
how much boost 4 170hp
no boost stroked! Among other things. Boost is in the mail with the meth
 


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