Inquiry (采购产品): drive unit i made my own belt drive unit for a airboat and am wanting to improve my ideas. i am using gates products because they were available to me. i have seen your pully gear reduction and am interested. i run 500 hp on a42inch pully unit it took alot of time to workout i am not an eng. i am currently at 1.41 to 1 running a 454 chevy. i need to be around 1.65 it would be great if i could 2 speed at 1.80 to 1 and 150 to 1 i would have gas mileage and HP. when needed. max speed on my prop is 3000 rpm and my motor is not wanting to run over 4500. can you make a quote on internal gear pully and belt system at 32 inch center of pully to center of pully? thanks ron dinger my home adress is 300 maple wamego kansas,66547 work phone is 9139152617 **** Hidden Message ***** ronald dinger 66547 Company: home project E-mail: dingerron@yahoo.com **** Hidden Message ***** dingerron@yahoo.com