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"Free horsepower"
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New User
Joined: Jul 2006
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From: Dewey Ok USA
"Free horsepower"
On my 98 F-150 with the 4.2 auto, is there any way to free up some power for free. I know on my GMC there was a baffle in the air box that you could pull out and basically the same kinda thing on my cougar. This is the first 4.2 truck that ive owned, i just recently did head gaskets on one though. Anywho, and tips or tricks to getting more power outta this thing???
Thanks
Derek
Thanks
Derek
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Joined: Jun 2003
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From: SW VA
Originally Posted by SuperCougar
I know on my GMC there was a baffle in the air box that you could pull out
Derek
Derek
Try searching for "Intake mods" or "Airbox mods"
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Joined: Jun 2005
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From: southern kentucky
nothing is 100% free, but here is food for thought.
and engine is really just a big air pump. the more air in and out of an engine means more power, but at a cost, because when you get more air in the engine you need more fuel, and of course you need to get rid of the used up air/fuel.
you can start with a cold air filter system or make one.
most factory exhausts are a little to restrictive, so there is a lot you could do to improve it. ie= headers or a high flow converter, and even a cat back system.
there are so many ways to help an engines power and in some actually improving fuel milage by as much as 10mpg.
1. headers, or highflow converter and exhaust system.(gibson) I think is
the only one that makes headers for a 4.2L.
2. coldair system. ( Airaid intake system)
3. hypertech power programer III., Jet computer modules.
4. fuel injectors, throttle body spacers, and fuelpump upgrades
5. change rear axel gears.
6. lower vehicle ride height, reduce drag
7. aftermarket camshaft
8. royal purple oils reduce friction. its proven results
9. head porting and matching.
there are more but I think this will do.
and engine is really just a big air pump. the more air in and out of an engine means more power, but at a cost, because when you get more air in the engine you need more fuel, and of course you need to get rid of the used up air/fuel.
you can start with a cold air filter system or make one.
most factory exhausts are a little to restrictive, so there is a lot you could do to improve it. ie= headers or a high flow converter, and even a cat back system.
there are so many ways to help an engines power and in some actually improving fuel milage by as much as 10mpg.
1. headers, or highflow converter and exhaust system.(gibson) I think is
the only one that makes headers for a 4.2L.
2. coldair system. ( Airaid intake system)
3. hypertech power programer III., Jet computer modules.
4. fuel injectors, throttle body spacers, and fuelpump upgrades
5. change rear axel gears.
6. lower vehicle ride height, reduce drag
7. aftermarket camshaft
8. royal purple oils reduce friction. its proven results
9. head porting and matching.
there are more but I think this will do.
Thread Starter
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New User
Joined: Jul 2006
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From: Dewey Ok USA
Im not really looking for a fast truck or anything, ive got my cougar for when i wanna go fast. I was just wondering if there was anything cheap or free that you could do to free it up a little. I think the most ill be doing to this truck is a K&N air filter... Thanks for the replies
Derek
Derek
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From: southern kentucky
I understand fully!
I dont know of any quick mods you could do to get that hiden hp out, but I do know if you can put your truck on a "diet" by remove any unwanted weight from the truck, you will notic a little pep in a truck or car. the more weight you can get rid of the better.
if you have ever installed a toolbox and filled it with a couple hundred pounds of tools, jacks and spare parts you will notice a loss of pep.
I dont know of any quick mods you could do to get that hiden hp out, but I do know if you can put your truck on a "diet" by remove any unwanted weight from the truck, you will notic a little pep in a truck or car. the more weight you can get rid of the better.
if you have ever installed a toolbox and filled it with a couple hundred pounds of tools, jacks and spare parts you will notice a loss of pep.
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yea those people kind of make me mad, they say how much they have done to there 4.2 and how it sbetter then my v-8 i go alright lets race
they ether hang with me or i pull them. they ask OH WELL WHAT IS DONE TO YOURS
uhh stock 5.4 with crappy cat back
see if they had put that much money twords a v-8 in the first place.......whatever im done ranting haha
they ether hang with me or i pull them. they ask OH WELL WHAT IS DONE TO YOURS
uhh stock 5.4 with crappy cat back
see if they had put that much money twords a v-8 in the first place.......whatever im done ranting haha
Senior User
Joined: Sep 2004
Posts: 385
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From: Missouri
Originally Posted by ranger88a
Before I spent that much on a 4.2L, I'd trade for a V8.
Originally Posted by Forddieselweasel
yea those people kind of make me mad, they say how much they have done to there 4.2 and how it sbetter then my v-8 i go alright lets race
they ether hang with me or i pull them. they ask OH WELL WHAT IS DONE TO YOURS
uhh stock 5.4 with crappy cat back
see if they had put that much money twords a v-8 in the first place.......whatever im done ranting haha
they ether hang with me or i pull them. they ask OH WELL WHAT IS DONE TO YOURS
uhh stock 5.4 with crappy cat back
see if they had put that much money twords a v-8 in the first place.......whatever im done ranting haha
Laughing Gas
Joined: Nov 2003
Posts: 794
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Notice a loss of pep because you have 200 pounds in a tool box in the bed...
How about 190 pounds from a full tank of gas with 25 gallons compared to 16 pounds when ur almost out... no difference in any of the 9 or 10 different vehicles I have ever driven
When I am driving alone versus me and 4 friends in my truck 1000 total pounds of people versus 200 total pounds of people... no difference
If you notice a difference because of 200 or 300 pounds there is something wrong, unless you are racing on a track and are looking at .001 seconds in lap time.
How about 190 pounds from a full tank of gas with 25 gallons compared to 16 pounds when ur almost out... no difference in any of the 9 or 10 different vehicles I have ever driven
When I am driving alone versus me and 4 friends in my truck 1000 total pounds of people versus 200 total pounds of people... no difference
If you notice a difference because of 200 or 300 pounds there is something wrong, unless you are racing on a track and are looking at .001 seconds in lap time.
Junior User
Joined: Jun 2005
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From: southern kentucky
Originally Posted by zman764
Notice a loss of pep because you have 200 pounds in a tool box in the bed...
How about 190 pounds from a full tank of gas with 25 gallons compared to 16 pounds when ur almost out... no difference in any of the 9 or 10 different vehicles I have ever driven
When I am driving alone versus me and 4 friends in my truck 1000 total pounds of people versus 200 total pounds of people... no difference
If you notice a difference because of 200 or 300 pounds there is something wrong, unless you are racing on a track and are looking at .001 seconds in lap time.
How about 190 pounds from a full tank of gas with 25 gallons compared to 16 pounds when ur almost out... no difference in any of the 9 or 10 different vehicles I have ever driven
When I am driving alone versus me and 4 friends in my truck 1000 total pounds of people versus 200 total pounds of people... no difference
If you notice a difference because of 200 or 300 pounds there is something wrong, unless you are racing on a track and are looking at .001 seconds in lap time.
go to the racetrack or better yet watch speed TV and im sure you will hear many times that any unwanted weight will slow you down.
that is the whole idea! a lighter vehicle will perform better than an overweight vehicle. any builder will tell you this. nascar even lightens there engine blocks to help shed even a few pounds, there say it could make a difference at both a full second or two in speed.
(it doesnt make no difference if you win by a second or by a mile, winning is winning!).
also if weight isnt distributed even ( right&left, and front&rear) you could notice a difference in turning or how a vehicle huggs the road.
Senior User
Joined: Sep 2004
Posts: 385
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From: Missouri
We all know and agree that weight is speed's enemy, however, he was discussing street driving, you're talking about nascar. ~2-300 lbs will not make a noticeable difference in our trucks. At the track, it certainly will, but in everyday driving it won't. Our trucks are not race cars. They were built to haul, and built to tow. If you want something to go fast in, don't buy an f-150. My point is, and everyone who owns one knows, that a couple hundred pounds of people or materials will not make much of a difference in everyday driving.
And please, never quote the fast and the furious ever again.
And please, never quote the fast and the furious ever again.
Last edited by fbodyfan; Aug 5, 2006 at 01:38 AM.