Cannondaleriders

Help just installed newly rebuilt engine, put one quart of synthetic oil in and ran for a minute, checked and seemed to be ok, drained oil to look at filter, drained base and frame and added another quart, ran for a minute and checked again, seemed to be full according to dipstick, after running for...

I just flushed my frame and got a newly rebuilt engine, how much oil should i use and should i change the oil and filter more than one time before riding? the old crank bearing gave but i didnt find much material in the old oil. Thanks for any advice

Looking into buying exhaust, looking for the best performance and looks, any advice would be appreciated