need oil guage and exhaust question

markwayne

New Member
Jul 7, 2004
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Can anyone guide me to where to find an oil guage for a 68 gt500?

Also, has anyone had their exhaust manifolds "honed" or "extruded"? Does it help with flow and add power?
 
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Weren't the extra guages in the 68 Shelby's Stewart Warner? As for extrude honing, it does a very good job and I would think that it could help a bit on exhaust manifolds but I wouldn't expect too much becuase the design and layout of a cast iron manifold is as much of the problem as the restrictive size. If you are trying to squeeze a few more ponies out of the Shelby then it might be a good mod but you will need to find someone who has done it to get a real world assessment to determine if it is cost effective.
 
In looking at the flow of my exhaust manifolds, I am thinking that extrude honing would have minimal effect. Ford exhaust pinches up pretty tight where the bolt holes are, and I don't see a way to improve that.

Too bad, manifolds are a lot less hassle than headers.