Re: motorcraft 4300 carb info
Good advice from Tom here. Tom & I have spoken of these issues in the past and it would appear there are more than one advantage to running a stick car! I have attempted in the past to have the "known" carb builders tae on the challenge of building an Autolite for me and none wanted the work, including Oliver (but maybe he has changed his mind?). One that I received from an un-named "expert" was never tried previous to shipping, as promised, about melted the headers off my new engine. I tried to work with it later on and eventually chucked the $500 POS in the trash! The carb I have used exclusively was built by Mr. Lloyd Bray whom many old timers may recognize from the early days of the 428CJ Mustang. He is also partner to DG Gulliam with their 428CJ GT/A Mustang. I just had two built and have yet to try them; waiting on getting the car back on the track.
Opposite of Tom's comments on fuel pressure, I have always run 6-6.5PSI without any problems, even driving in the pits. Pushing it to 7#'s causes driving in the pits problems and you have to switch the pump on / off. I'm promised the new carbs will not have that problem and should be able to run more pressure if necessary. But then again, I suspect my fuel system is vastly different than what Tom runs so maybe that's why we're seeing different results.
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Jeff Lee 7494 D/S '70 AMX
Last edited by Jeff Lee; 10-07-2008 at 06:56 PM.
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