chipping a 5.4l engine
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New User
Joined: Aug 2003
Posts: 1
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chipping a 5.4l engine
I have a 03 supercrew with the 5.4l engine and have heard alot about computer chips and the increase in power etc...
What is the real increase and what are the drawbacks. ie. shorter engine life or more long term repairs.
Also, if I chip my engine, do I have to do any other modifications to the truck such as new exhaust, cooling fan etc...
Thanks
Mike
What is the real increase and what are the drawbacks. ie. shorter engine life or more long term repairs.
Also, if I chip my engine, do I have to do any other modifications to the truck such as new exhaust, cooling fan etc...
Thanks
Mike
Senior User
Joined: Mar 2003
Posts: 488
Likes: 0
From: Gettysburg, Pa
chipping a 5.4l engine
Is it really worth only a %8-12 gain over stock for a $300 add-on. I'm on track to put over 25,000 miles on my 03 S'Crew, and if I add high test gas, thats a lot of extra pennies spent at the pump. I don't see where it would be worth the few extra horses.
Senior User
Joined: Jun 2000
Posts: 134
Likes: 0
From: Fayetteville, NC
chipping a 5.4l engine
I've had a Diablo in my SD 5.4L for over a year now, and I have nothing but praise for it. It's worth it just having a better shifting transmission. Since chips are for increased performance, increased gas mileage isn't listed as a benefit, however, if I can manage to keep my foot out of it, my truck's mileage is about 1-1.5 mpg better in town and 2 mpg better on the highway...and B'429, there's nothing more fun than pushing the throttle all the way to the floor and having your 3 ton+ beast accelerate nothing to 90 in a flash. Worth it for me...
