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Looking for B20 123 Ignition Curves and MAP Curves 120-130

uid 37336's pic
posted by  B20Paul. on  Tue Apr 20 18:14 CST 2021
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last visit: Mon Oct 20 10:54 CST 2014
[RELATED]

Start with Stock B20E curve, you can get that from 123.

With a stock head & 2" exhaust, that will be a great start. 10°@ 0 to 1000 CRANK rpm, then a straight line from that to 32° @ 3500 TOTAL. When you know it's not too much timing, you can then speed the curve up.

What carbs? Twin HS6 use the stock KD/KN needle.





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