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Post by Deleted on Jan 10, 2013 15:45:13 GMT -5
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Post by prodigit on Jan 10, 2013 17:06:16 GMT -5
I have this one, but it's slower than my stock black CDI in my tao. Less acceleration, same top speed. According to another user on this forum, it's because the blue CDI pre-ignites the spark (a little too soon), causing something like pinging, only now not from spontaneous combustion, but from ignition.
If your scooter has been restricted because of a tardy spark, it might benefit this CDI.
Otherwise it's better to stay away from these; and get an adjustable one.
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Post by Deleted on Jan 13, 2013 2:54:49 GMT -5
Maybe so, I run premium 93 octane, no problems.
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Post by carasdad on Jan 13, 2013 10:27:30 GMT -5
I have this one, but it's slower than my stock black CDI in my tao. Less acceleration, same top speed. According to another user on this forum, it's because the blue CDI pre-ignites the spark (a little too soon), causing something like pinging, only now not from spontaneous combustion, but from ignition. If your scooter has been restricted because of a tardy spark, it might benefit this CDI. Otherwise it's better to stay away from these; and get an adjustable one. You are correct....and why I don't use or sell the blue ones. The base advance and advance curve are too steep. Most scoots with them idle like a 1972 Dodge 440 Magnum engine with with a high lift long duration racing cam! Remember those days as a teen...the bigger the cam in your car the better...so big in fact at idle it galloped and sounded like it was gonna stall from the 'overkill' drag racing cam. ;D Even in highly modded engines the blue ones can be a pain in the azz. That is why I now buy and sell the adjustable cdi's. Many say they are difficult to use as they come with no instructions. But the wholesalers tech explained they can turn 12 revolutions each direction. At the end of of travel they will "click" indicating you are at max. They ship already centered out at zero and just as a stock CDI. Not that hard to use if folks use common sense and record how many clicks they turned it up and mark the 'zero' point...then keep a log of how many turns ya did. i find it stupid for a parts wholesaler to expect to sell parts..and not include instructions or an explanation. So I spoke with one of the techs there and was told...each of the full rotations on the CDI equal one degree advance..with the base line not being affected as it remains stock timing...but each turn equals one degree additional advance in the curve. Brilliant!! and they work well....it is just that China needs to include guidelines for MANY of the performance items they sell. Maybe one day they will get their sh!t together and figure that out to alleviate disappointment by the end user. prodigit..hope your scootering is going well in Florida..as we freeze our buns off up here in Michigan riding in 15 degree weather..where at 40mph we are riding at -18 degrees from the wind chill..  |
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Post by carasdad on Jan 14, 2013 12:23:03 GMT -5
Now ask why they got so cheap....... Is stock OK, or did they get tired of charging 40+ dollars for something not needed....... AFAIK anything over 49cc is NOT limited anyway. Your results may vary... Not seen a restricted stock CDI in years!!..Last one was on an Eton I worked on 2 summers ago for a customer. So you are correct as well.  |
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