Looking for a recommendation...

Hi, my name is Bob, and I recently bought a 66cc kit, that should be here in a few days, (boygofast). I am thinking I want another kit for another bike, there is a guy on ebay selling 48cc and 66cc s at a pretty good price, My question is; is there any reason to buy one over the other?, Is one more reliable, better running? you get the picture....
Any recommendations from people that have been into this hobby for awhile will be really appreciated ..

Edit:.. I should have titled this "looking for recommendations"... fairracing31 thanks for your reply..

Thanks
Bob

The 66cc should have a little more low end torque then the 48cc. In my opinion the 48cc runs a little smoother and has more top end.

Be careful if this guy is from Revolution cycles

I would first consider the bike you're going to put the engine on.
Is it a heavy bike, like a old Schwinn? Or is it a light-weight bike??
If it's a heavy bike, I would get the larger engine!!
In fact, just get the large engine!!! (a little more power is always nice on the hills!)

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Here's a good thread to look at when it comes to the different variances to these China engines.
china bicycle motor facts...

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