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Re: Re: Re: Re: Distillate engines running on gas full time
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Posted by Bob M on October 08, 1999 at 12:33:30 from (192.232.120.194):
In Reply to: Re: Re: Re: Distillate engines running on gas full time posted by MikeH(Tx) on October 08, 1999 at 05:20:36:
Mike and Phil - The "heat control" valve in the manifold does not actually increase exhaust back pressure. Instead it routes exhaust either directly up the stack (cold position) or else diverts exhaust around the intake manifold runner and then up the stack (hot position). Sorta the same idea as the old "heat riser valve" on 50's and 60's GM and Chrysler straight 6 car engines.
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