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Did anything ever come out of using a pw80 cdi? Thanks

Ive had success with them both (big and small) and they both ack differently. The first port i ever did was a wider one like duffman's and it worked great, it had great bottom end and good top end but I noticed that most cylinders you buy with a boost port already in it are smaller so I tried...

Also Duffman if your interested in doing some port work and need carbide bits, I get mine off Amazon for a great price and they are as good as you can get. Before I ordered them off Amazon I was paying big money for individual bits at princess auto or Canadian tire. I was paying near $10 for a...

See a pic of it

So after doing a little research, the notch above you intake port may not be a bad idea. It is there to help direct the gas-air mixture to spark plug, helps with quicker throttle response but me personally if your running reed valve, id complete 3rd transfer port. From what your telling me with...

Awesome, look forward to hearing from you. As we speak, I currently am staring at my crank. I did a complete tear down and am doing a crank balance. Nothing to scientific, just following some YouTube advice from Zeda Motor Sports. You should check out some of their stuff on YouTube, there...

Awesome Duffman, just remember if your going with a dremel and carbide bit, take your time its not a race. Tape off the rest of your cylinder good just incase your bit kicks back and hits where your not trying to but go with lower rims and take your time. Let me know how she goes and keep me...

If your piston wasn't windowed than I dont get it! If im seeing correctly the 3rd transfer port was only starting above the intake and not brought down to bottom of cylinder. If piston was windowed than maybe they thought this would give a little more gas/air flow and maybe it did but if I were...

Was your piston windowed?