I have fitted the exhaust pipe to the barrel on my m20 the best i can get it. Its a 42 motor and im getting some exhaust blow by its not that bad. Is there any way to improve the seal.
Mark

Clear silicone will seal it and surprisingly can stand the heat...Ian

email (option): ian@wright52.plus.com

And I've often use a finger full of this smeared round before assembly with great success.

http://www.ebay.co.uk/itm/Holts-Gun-Gum-Fire-Gum-Exhaust-Silencer-Assembly-Repair-Paste-150g-FG1RP-FireGum-/302041124642?epid=1525162205&hash=item46530dcf22:g:LUwAAOSwdzVXrw3r

Ron

email (option): ronpier@talk21.com