You're welcome, a lot I dont know but I have learn a thing or two along the way and I always try to share what I do know and what I've learned on my own and from others like yourself here.thank you for that insite. I have not seen too much in the speed department or the vibration the only thing I have found is the size of the front mount one is a standard 1.25 and the other are either 2.0 are 2.25
Yeah, I have three of the big front mount engines, all of them came from BGF about 3-4 years ago, they all vibrate like a mini jackhammer if they rpm's get a little to high, one is resting in
![peace peace peace](https://motorbicycling.com/images/smilies/peace.gif)
Look at the transfer ramps in the pic I added in this message.
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