Timing Curve on 360 in an RV
Lets go with non-cat 360 to start
So that's what the timing ought to look like.
I might start with a bit more initial, say 2 to 4* at idle and then follow the upper line.
See how it runs with that. Then slightly tweak from there, one small change at a time.
If the engine has or had coolant temperature switches, sometimes they were used to add more timing at idle when coolant temperatures approached 230*. AKAIK, this was only done on some engines that had potential to overheat in traffic due to retarded initial timing for smog reduction. I'm guessing the 0* initial here is for emmissions and simply because its a super efficient burner at 750 rpm.
Bottom line is there's nothing here to suggest initial timing above 10* is useful in maximizing torque and power.
Lets go with non-cat 360 to start
So that's what the timing ought to look like.
I might start with a bit more initial, say 2 to 4* at idle and then follow the upper line.
See how it runs with that. Then slightly tweak from there, one small change at a time.
If the engine has or had coolant temperature switches, sometimes they were used to add more timing at idle when coolant temperatures approached 230*. AKAIK, this was only done on some engines that had potential to overheat in traffic due to retarded initial timing for smog reduction. I'm guessing the 0* initial here is for emmissions and simply because its a super efficient burner at 750 rpm.
Bottom line is there's nothing here to suggest initial timing above 10* is useful in maximizing torque and power.
