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Post by 90GTVert on Aug 20, 2015 7:45:57 GMT -5
I've seen people take an old stock wheel, cut the center out of it, and then drill and fit wheel studs to make a simple fat tire conversion that retains the rear drum brake. I have no idea on the backspacing. Some people get flat profile tires for 4 wheeled vehicles like modded golf carts and others buy scooter tires and stretch them over the wide wheel. I would assume the stretched scooter tire would feel a little more natural riding because it would still have some curvature.
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Post by redneck on Sept 9, 2015 19:27:50 GMT -5
well I finally got my scrappy dog high torque started and I got a larger motorcycle battery and the scoot finally starts without a jump so happy went out for a night ride and its about 80 out nicest ride ever but on the down side I also installed a #95 main je and my top speed and rpms droped so I going to have to got back to the original jet I got with my carb
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Post by redneck on Sept 9, 2015 19:45:14 GMT -5
has anyone on here done a turbo build?
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Post by katastroff on Sept 9, 2015 19:55:33 GMT -5
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Post by redneck on Sept 9, 2015 20:01:50 GMT -5
lol iv been outa work for almost a month must be he pain meds talking but if I find a turbo I like for 100 to 150 bucks its gonna happen
100
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Post by katastroff on Sept 9, 2015 20:16:38 GMT -5
There is a thread that started a couple of weeks ago about turbos and superchargers. Its either you go all out and spend a few thousand or you just keep on dreaming.
There is no way a stock 50cc 4t engine can stand a turbo kit.
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Post by redneck on Sept 9, 2015 20:36:56 GMT -5
the only things that will fail are the connecting rod will bend due to over compression or the crank bearing will fail due to rpm if I limit my rpms to 7200 and lower my compression ratio and don't exceed about 8lbs of boost other I don't see any issues or is there something im missing
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Post by redneck on Sept 10, 2015 23:16:46 GMT -5
would I see any benefit to running an oil cooler and a crank case oil relief/ catch can
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Post by 90GTVert on Sept 11, 2015 8:33:25 GMT -5
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Post by redneck on Sept 11, 2015 9:52:26 GMT -5
Thank you
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Post by redneck on Sept 12, 2015 19:38:13 GMT -5
quick walk around and start video road video is still to come scooter is about 75% done still need to clean up my wiring but as is makes a good daily starts right up and has no issues as of now iv put almost 15hrs on the motor www.youtube.com/watch?v=hKEAGQhL3JY |
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Post by redneck on Sept 13, 2015 13:16:21 GMT -5
well went for a ride today and when I got home I just wanted to check my fluids and I think I smell gas in the oil  hmm mabey its time for a 52mm stroker |
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Post by redneck on Sept 13, 2015 13:25:40 GMT -5
scrappy dog has there own kit 52mm for 100bucks and hoca has one for 130 and the 44mm stroker crank is 150 will I need a new head or will the head from the head from the 50mm kit be ok
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Post by iwiketuddlz on Sept 14, 2015 6:28:34 GMT -5
Your will need a 52mm head to match the cylinder if you go 52mm that is....actually I think I ran a 50mm head with my 52mm stroker , and it ran really strong..!! It will bump up the compression a bit
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Post by 90GTVert on Sept 14, 2015 9:05:59 GMT -5
I'm not sure exactly what the compression will push up to. If you stuck with a 50mm head, you could open it up a little and probably tame the compression if needed or more commonly people add an extra base gasket or use a thicker head gasket.
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