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Old Mon, April 23rd, 2012, 09:35 PM
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F Your Yankee Blue Jeans
 
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Quote:
Originally Posted by perrystroke View Post
got a early 99 7.3L and they say i cant run a 120 race because of injectors and turbo. but does it really batter. well it mess up anything? and what does wisper mode do to make it quite?

"they say"?

Who says?

You CAN run that program, but you'll never see that kind of additional power (and don't feel too bad because the 99.5-03 guys can't either).