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Heater pipe routing

Posted: Sun Sep 19, 2010 7:30 pm
by Toby
My RHD august 63 registered S has got on the Heritage certificate that fresh air heater is fitted. Now I'm not quite sure the way the routing should be for the heater pipes and hoses.
I have seen options with the use of a copper pipe that is routed in front of the carbs and without. Can anybody shed a little light on the subject?

Without :
Image

With:
Image

credits go to mark for the pictures