Sip temp

What's the ideal running temp in f,I'm using the sencor ring over the ceramic part of the plug,latest sip speedo on a s2 mugello 186.cheers and thanks.
The ability to post messages is restricted to LCGB members. Any questions contact us at lcgbadmin@googlemail.com
https://www.ilambretta.co.uk/forum/
https://www.ilambretta.co.uk/forum/viewtopic.php?f=10&t=3722