rt 360 exhaust port opening angle atdc

[Andrew L]

Has anyone measured the exhaust port opening angle atdc on an rt3 360 with stock porting any help would be great.cheers mav

[facthunt]

Old notes say 92atdc for DT360A. RT2/3 should be close.

[Andrew L]

Thanks for that facthunt im making a new expansion chamber and the program I am using for part of the design requires that info, you,ve saved me a few hours of rootin around with a degree wheel, I used the figure 95atdc in my calculations so not far off. cheers Mav