Fuel use with PI swap w/ cams 1996 Mustang GT - Ford Mustang Forum
 
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post #1 of 2 (permalink) Old 02-21-2010 Thread Starter
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Fuel use with PI swap w/ cams 1996 Mustang GT

When you do a PI swap and install new performance cams, what fuel should you use and not use? Done the search but only found HoW To Do Pi SwApS on everything I searched of like a million pages.

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post #2 of 2 (permalink) Old 02-21-2010
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The answer depends.

Any car with a tune which calls for Premium should use Premium.

A 96-98 model which has the compression increased as part of the PI upgrade would probably benefit from running Premium.

A 96-98 model which maintains the stock compression when upgraded can run Regular gas.

99-2004 2v GT's run Regular gas and have the PI stock.

If you are upgrading a 96-98 to the PI specs, you can choose which route you take. More power, more compression = Premium fuel. 99-04 tune and power = Regular.


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