I get the same ~50 delta T from left to right. I have no exhaust 'logs' and no lower shrouds. Do have angle port exhaust. The Artful Dodger The exhaust log on the left bank is also longer. Attachments are scanned with anti-virus software. Later, JR '61 Rampside Standard 4/110 '65 Monza Convertible 4/140 '66 beater Coupe - icemobile 4/140 .....