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Author Topic: CJ Intake on 390 GT motor  (Read 2560 times)

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jimeast

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CJ Intake on 390 GT motor
« on: August 31, 2014, 01:58:41 PM »
I have a 67 390 GT motor in a '67 Mustang.  I'm rebuilding the carb and doing some work on the steering and distributor as well.  I have a cast iron CJ intake sitting on a shef and am curious what type of performance gain (if any) I can get swapping the CJ Intake for the S-Code while keeping stock carb, exhaust , etc...
« Last Edit: August 31, 2014, 02:22:38 PM by jimeast »
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Joe-JDC

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Re: CJ Intake on 390 GT motor
« Reply #1 on: August 31, 2014, 02:26:21 PM »
Ford Muscle Parts catalog quotes 17 BPH increase with 735 Holley and CJ intake on 390.  I saw an 13 horsepower increase when changing from a Holley 600 cfm to the 735 CJ carb on a chassis dyno, so the intake must not have made that much difference.  A camshaft change would give a good increase with the CJ intake change.  Joe-JDC
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wayne

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Re: CJ Intake on 390 GT motor
« Reply #2 on: September 04, 2014, 07:26:41 PM »
It would be a good swap jay browns book shows it better and  you already have it.
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