Yeh my 7 port regularly hits 136-140ºC (umm 260-280ºF) never seems to mind running at those temps... Only time I listened to our club president (eternal RB fan) who insisted I wasn't smoking enough and was going to ruin my engine from running too lean and let him screw around with the carb settings..engine ran like a bag of shit after and died 8 times in one 15 minute 1/4 final..so now I listen to myself and my engine and ignore those who think they "know better"...

by the way grizz1 I tried one of those manifold tuning inserts from ofna I bought ..the shortest one actually makes my 2047 header about 2mm longer than the 0801 header but the bottom end snap is way better..I'm around the 10 liter mark so I'm going to go for the full race tune soon as my wrist pin and clips I just ordered from MM arrive and I change the rod..Then I'll see how the top/bottom ends feel both with and without the extension.

Added an mp9 tank at the weekend too..nice integrated ring pull and fuel splash guard..the filler cap spring on my old one was getting very sloppy.