anyone runing a duncan engine

[holeshot19]

just wondered if anyone is runing a duncan engine in there 400ex. think about sending a spare cly and head out there.

[Dune Surfer]

I think (BigDracing) runs one ask him. I just bought a pipe from them, they seem very good. They have the rep of being the best shop in San Diego.

[Natertot426ex]

I have a friend that is running a duncan engine and has all kinds of power.

[speedy400]

I know a friend who's getting a full 440 kit from them with everything, I guess he heard some nice reviews from people who has them, good luck-darren

[speedy400]

I know a friend who's getting a full 440 kit from them with everything, I guess he heard some nice reviews from people who has them, good luck-darren

holeshot 19 are u thinking about getting one?

[holeshot19]

i have a hook up to get duncan stuff i have a 275 pw from duncan and it ripps. i have a lot tyed up in my 400 i tryed to get a jacka-s-s install a 440 kit 4 me and it did not turn out 4 me so now i have a 400 dollar boat anchor. so today i got a new cly and a 416 piston from my dealer

[Big - D Racing]

I have one and it's great. Super strong and really reliable.

[holeshot19]

what do u do with your quad xc desert mx and what kind of engine work did they do 4 u i saw loren in fl at the gncc race didnt get to talk 2 him. i just would hate to send a bunch of money on the engine and have honda come out with a new quad but i have so much invested in it though

[Big - D Racing]

mine is built towards mx and dunes. I switch between the two and they built my bike with that in mind. Works great in the dunes and even better on the track. It's exactly what I wanted. Call Duncan p and talk to Loren or lenny both are really nice and can answer all your questions. Great company, that takes pride in customer satisfaction. They defintely go out of their way to please you and have many awards for customer service and engine builder of the year for many different years proving this.