Quote:
Originally Posted by JSeery
Totally agree, but have never heard of a recommended timing anywhere near what the torque charts show. 12 degrees at 2000 rpm and all in around almost 3500 rpm?
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Yes i agree they really dont make sense sometimes . If ya look at the one on the right it has a arrow and a * at 65 HP and 165 ft lbs thats where the torque and HP meet 2200 rpm.
Once torque drops the engine isnt really doing much
work from that point on.
The spark advance is approx 12-15 degrees at that point.
It takes a pretty perfect engine set up to get the HP out of one of these on a rebuild... A driveway rebuild may be 60-70HP at best , same with ignition , takes some massaging to make them perfect .
I probably built a few hundred before i got a perfect one !!
