hey all. i found a place localy to have my prairie 650 proted and polished and i was wondering what kind of gian i can expect if i do this? im already running a dyna and black spring and if i get the port and polish job done im gonna go ahead and install the red spring a k@n filter the nappa hose and the exhause mod.. im sure at this point ill have to rejet also. well is the port and polish worth the $$ and with that stuff along with it how will i perform agianst the 400cc class sport quads in 300ft drags?.. thanks

 

I can't answer your questoin, but I was wondering if you planning to pull the heads off yourself or have them take off the heads? If you are doing it, I'd highly recommend installing bigger cams at the same time. You have to remove the cams anyway to pull the heads off, so its not any more trouble at all. last time I looked, Webb cams were pretty reasonable ($230 or so for both).

PS - I priced porting and polishing about 1 year ago and got quotes of $500 to $600 to do both heads. Is this the same price range that you found or did you find a better deal?

Happy trails...[img]i/expressions/face-icon-small-smile.gif[/img]

 

the guy that will do it for me (a small grauge and i know the owner) said 150-200 dollars and he ill take t apart and put it back together. all i have to do is drive it down there (1 mile down the holler) and drive it back when he is done.

 

If he knows what he is doing than for that money I would get it done. I would also put in the cams when he has it apart. Have him also port the intakes. You will notice the differnce if you do all that. Make sure he knows what he is doing when it comes to porting. I am not sure if you can deck the heads to gain some more compression. If you can on that motor than do that at the same time. Bigger cams, more compression and head work will make a big difference.