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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Forced induction okay for stock engine?

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Old May 8, 2014 | 02:35 PM
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Default Forced induction okay for stock engine?

I was looking on the web at various superchargers for my 2002 5.4 and even looked at just replacing it with a lighting engine. I desired to go with just installing a supercharger myself but I wanted to know if people have run into any issues doing it to a stock engine without forged pistons etc to handle.
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Old May 8, 2014 | 02:47 PM
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As long as u got a decent tune and under 10psi you should be fine. Keep in mind that thought is on a fresh engine. Depending on miles u may want to at least throw some head gaskets and new piston rings. But since you are there might as well upgrade pistons. And since u have new pistons might put some boost compatible cams. And since......well you get the point. Treacly lightly on a tired engine under boost.
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Old May 8, 2014 | 02:47 PM
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Stay below 6-8# of boost and you should be okay.
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Old May 8, 2014 | 03:07 PM
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Gotta love those roots blowers. The cool thing about the Lightning is that the bottom end is forged. So if you find the entire engine, you are off to a pretty good start. But if not, the stock bottom end should be ok as long as it is healthy.
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Old May 8, 2014 | 03:22 PM
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The lightning and most 03-04 engines have the same forged crank.
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Old May 8, 2014 | 04:17 PM
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Originally Posted by ibd2328
The lightning and most 03-04 engines have the same forged crank.
Yes sir. I used to have a 99 Cobra that I swapped an 04 terminator engine into, never should have sold that car. Eventually, I'm going to try the Lightning swap with my F150.
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Old May 8, 2014 | 09:56 PM
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man should have gotten on year newer and I would be forged
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Old May 9, 2014 | 07:56 PM
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Straight up L swap sounds cool but by the time your done, your gonna have dropped some good coin and at the end of the day you still have a stock L motor....not that good of an investment.

Even an fairly stock L motor likes to go kaboom under the wrong conditions......rods are the weak link there.

If you want some seat of the pants action, drop a centrifugal blower on it with the appropriate upgrades and call it a day.

If you have some coin, put a mildly built motor in it with a roots blower and appropriate supporting mods and have a blast.

There is a member on here that did all that on his truck several years ago.....I think he even has a build thread....great while it lasted but he had his share of headaches.
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Old May 9, 2014 | 08:20 PM
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Originally Posted by cacric
Straight up L swap sounds cool but by the time your done, your gonna have dropped some good coin and at the end of the day you still have a stock L motor....not that good of an investment. Even an fairly stock L motor likes to go kaboom under the wrong conditions......rods are the weak link there. If you want some seat of the pants action, drop a centrifugal blower on it with the appropriate upgrades and call it a day. If you have some coin, put a mildly built motor in it with a roots blower and appropriate supporting mods and have a blast. There is a member on here that did all that on his truck several years ago.....I think he even has a build thread....great while it lasted but he had his share of headaches.
I wanna see that build thread if you could find it for me lol
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Old May 9, 2014 | 09:07 PM
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Originally Posted by Cmanjr
I wanna see that build thread if you could find it for me lol
I put a call out to him with this link.......that will be an opinion from someone who's been there done that.
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