On the current issue of Classic Trucks there is an article by Jim
Richardson about improving the performance of the 6 Inliner. There is a
picture of a homemade heat riser using the Fenton header and a dual
intake. How necessary is it to have this heat riser in California, since
it does not get very cold?. Does it help mileage and performance?
I have a set of dual tube clifford headers and the stock manifold with a
single Rochester carb. Can I leave the bottom of the intake open? or can
I make a block off plate and bolt it to the bottom or I need to have the
heat riser installed?
Thanks,
Antonio,
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