1997 5.4 Performance
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Joined: Mar 2003
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From: NW Indiana
1997 5.4 Performance
i have a 5.4 1997 F150 with a flowmaster 70 series and well...thats it, i got dusted by my buddies 5.3 GMC last night and quite frankly i'm pissed, how can i hop this thing up with out s/c it or goin completely buck nutty?? reprogram or a chip? or what??
Post Fiend
Joined: Jan 1997
Posts: 23,165
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From: Enjoying the real world.
1997 5.4 Performance
No amount of chipping is going to give you the power that a supercharger does but it will give you great bang for the buck. 
With a Diablo chip you're looking at roughly 25 HP, a little less with the Superchips. If you're in California, go with the Superchips due to its CARB certification.
A couple of things to consider, what's his truck's gear ratio and yours? All things being equal, a truck with a 4.11 ratio will launch quicker than a 3.75 (at the expense of mileage.
With a Diablo chip you're looking at roughly 25 HP, a little less with the Superchips. If you're in California, go with the Superchips due to its CARB certification.
A couple of things to consider, what's his truck's gear ratio and yours? All things being equal, a truck with a 4.11 ratio will launch quicker than a 3.75 (at the expense of mileage.
1997 5.4 Performance
Post Fiend
Joined: Jan 1997
Posts: 23,165
Likes: 18
From: Enjoying the real world.
1997 5.4 Performance
Diablo's the way to go then. I can't guarantee you'll beat him, but it will give you more throughout the entire RPM range. The engine just may be "running out of breath" due to the higher RPM's you're pulling and an intake kit might help.
Post Fiend
Joined: Jan 1997
Posts: 23,165
Likes: 18
From: Enjoying the real world.
1997 5.4 Performance
See:
http://motorhaven.autoanything.com/c...ct=diablochips
and
http://motorhaven.autoanything.com/W...l/chipfaq.html
http://motorhaven.autoanything.com/c...ct=diablochips
and
http://motorhaven.autoanything.com/W...l/chipfaq.html
