what to do?
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Senior User
Joined: Dec 2002
Posts: 270
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From: Houston TX USA
what to do?
ok guys, i bought my 98 f150 xlt 4.6 extended cab in december, i put on my lift, gettin ready to add tires and wheels, now i am wondering what can i do to my engine, any suggestions? should i go with exhaust first, or something else, i have a friend that will put a raven dual exhaust, with chrome pipes, dumped in the middle for 100 bucks. pretty god deal, so i am gonna do that, but what else can i do to my engine to make it perform better? chips? etc....
thanks
thanks
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Joined: Dec 2001
Posts: 22,436
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From: Louisville,Ky.
what to do?
Some say that chips work, I didn't see any gains in my Mustang when I installed a Hypertech chip. Took it out at the track and ran the same times. I just added a Flowmaster and twin tailpipes to mine yesterday. The throttle responce improved aa well as the pulling torque. I also have a K&N air filter.
Chips may have better effect these days on OBDII cars than they did on older ones, but I wasn't impressed at all then.
What are you talking about dumping it in the middle? Turn downs? You will need a big amp to hear the stereo due to the droning rumble if you do not use tail pipes.
Jimmy
Chips may have better effect these days on OBDII cars than they did on older ones, but I wasn't impressed at all then.
What are you talking about dumping it in the middle? Turn downs? You will need a big amp to hear the stereo due to the droning rumble if you do not use tail pipes.
Jimmy
Senior User
Joined: Mar 2003
Posts: 166
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From: San Benito, Tx
what to do?
I agree with ixman1, I also tried a hypertech chip and I didn't see any noticeable gains in power. In fact after a short time using it my engine started missing, so I took it off. Plus, it only works if you use 92 octane or higher gas, which is as you know more expensive. Some headers are a good idea but be prepared to spend some serious dough, plus the labor to install them. I put JBAs on mine and a high flow muffler with two outlets exiting just in front of the right tire, it runs well and sounds nice, even at idle is has a mellow burble. I also tried a K&N FIPK kit and again, a waste of money, no noticeable improvement in mileage or power. As it is now, I have no problem spinning the tires on takeoff.
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Joined: Mar 2003
Posts: 199
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From: baren desert wasteland, s
what to do?
I have a 99 f150 supercab with a 5.4l v8 and have done quite a number of mods to my truck. Unlike the other guys I say chips work but I'v never been a big fan of hypertech. I had put a super chip micro tuner in my truck and did notice a difference in power plus 2mpg increase in gas but I had to take that chip out because of the other mods I did which require special programming (gibson headers, BBK 75mm throttle bodie, and a mass airflow sensor) I have also put an airaid intake and that helped out but if your going to go with an intake I recommend a volant intake because its a true cold air intake system, I'm planning on switching to one of those eventually. I also have 3" dual exhaust with a magnaflow dual in dual out muffler and had the cat converters removed. I have a ton of power but its still not enough, I'm planning on getting a specially programmed diablo chip and a performance ignition system. I am going to get my truck dyno tested after those. I figure I'm pretty close to 400 horses right now.
