will it wont it
 

will the hpi sc 15 be ok in a dave or will i need abooster as guy atr model shop says it wont work

should be fine as long as it will run on a 4cell battery i used to have 1 for the price there not bad,sounds like he wants to sell you a more expensive esc

Paul just fit a booster and run what ever speedo you want instead of wasting money trying to get some thing working that it wasnt designed to do , man you do fanny about !!!

You waste more money going to meetings and not running well all day cos you dont fit it and forget it

Fanny oh now thats why you keep asking me to come outside for a fag then Neil you are a naughty boy PMSL:p:p