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Video: Engine Power Loss Over Time –       #: 221
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 Posted: Wed Nov 22nd, 2017 11:39 pm
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Undrstm8ed
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"Everyone who cares about, and monitors the performance of their engine, knows that as you put more wear on the engine – whether you measure the engine's use in hours, miles, or passes – that engine's performance degrades over time. Once again, our friend Jason Fenske at Engineering Explained is able to take a complex subject and break it down Barney-style so that it is easy to understand as he explains ten reasons why the engine loses power over time. As Fenske breaks it down, there are four categories of areas in which the engine can lose power. The traditional “fuel”, “air”, and “spark” comprise the first three categories, with the addition of “compression” as the fourth category. While some seem extremely basic, some of these reasons might completely slip your mind."



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Roman courtier during the reign of Nero.

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 Posted: Thu Nov 23rd, 2017 10:52 am
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Good video. The only area he didn't cover was aging sensors.

Just to add, the higher the performance of a built engine the quicker it will drop power with use. All out performance engines like those used in top fuel dragsters are rebuilt between races.

For those of us who like a little more out of our daily drivers the task is finding the right balance of performance with the equipment we have. A newer engine that has the standard bolt-ons of a cold-air intake, over-sized MAF, headers w/cat-back, electric fans, and computer tune will be able to reliably pull more out of an engine than someone who starts these mods on an engine with 100k on the clock.

I will always take the devil's advocate side on doing performance upgrades on older vehicles. I have 40 years of hot rodding experience and I have thrown lots of money away hot rodding older engine components. Any type of add on forced induction will grenade an older engine in short order (super-charge, turbo, or nitrous). Save your money and build a motor from the ground up to support something like that and don't forget upgrading the transmission and third member as well.

Things that can be done besides the regular maintenance are things like; top end/fuel system cleaning/de-carbonizing, reducing the parasitic drain from accessories, and opening up the air in and air out of the motor. The Ranger has a very good airbox design that will support more airflow than a built 4.0 requires.



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 Posted: Thu Nov 23rd, 2017 06:15 pm
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Tsquare wrote: Good video. The only area he didn't cover was aging sensors.

Just to add, the higher the performance of a built engine the quicker it will drop power with use. All out performance engines like those used in top fuel dragsters are rebuilt between races.

For those of us who like a little more out of our daily drivers the task is finding the right balance of performance with the equipment we have. A newer engine that has the standard bolt-ons of a cold-air intake, over-sized MAF, headers w/cat-back, electric fans, and computer tune will be able to reliably pull more out of an engine than someone who starts these mods on an engine with 100k on the clock.

I will always take the devil's advocate side on doing performance upgrades on older vehicles. I have 40 years of hot rodding experience and I have thrown lots of money away hot rodding older engine components. Any type of add on forced induction will grenade an older engine in short order (super-charge, turbo, or nitrous). Save your money and build a motor from the ground up to support something like that and don't forget upgrading the transmission and third member as well.

Things that can be done besides the regular maintenance are things like; top end/fuel system cleaning/de-carbonizing, reducing the parasitic drain from accessories, and opening up the air in and air out of the motor. The Ranger has a very good airbox design that will support more airflow than a built 4.0 requires.


I agree about the sensors. What irritates me in my experiences is that mechanically there's nothing wrong and the failing "sensor" is what causes a problem and nothing else.

And absolutely and just to add to that and dealing with the pocket rocket side of things if you will. Few people understand that keeping things close to fresh, maintenance wise as you stated and all of those small things can add up to better things together. And my arguments have always been in honesty, there's few exceptions to the rule on the replacement of displacement. However, there is a lot to be said for power to weight ratios and to me the biggest thing, suspension. I dont care if your at the lights (drag or stop) with 117hp or 500hp.. if you cant get it to the ground properly you're just spinning tires and time.

You got to have the right suspension to do what you want.. the idea of having some point-click-and shoot mentality of whatever makes me roll my eyes into my head until it hurts.. OMG.

I have a fond respect for the muscle cars; my father had a 67 Buick Skylark, 502 block all blueprinted and balanced out of some great but now gone shop in Orange county, CA. and it was mean sitting on 12" Micky's for the street. back in the later 70's/early 80's it was a 10:40's car with what was available then and as a daily for my dad [really must see if I have any pics of that thing].

But I autocrossed and circuit raced in small cars. to me, 2.0L and down are fun cars due to the cars being classed right in all things considering. Probably the most fun I've had. Dont get me wrong, a power trip exists with me but to me thats like playing a video game with cheat codes, it becomes uninteresting to me smash on people constantly. I want some push back and a challenge whether from a rival car or driver skill/error.

The truck thing, saves me money, jail time, and I get to mob all over small trees and God's creatures.. LOL



____________________
"Be never first, never last and never noticed." - Unknown

"The slave is held most securely when he is held by the chains of his own will and of his own fears, and when he is locked down by his own slavish desires for a comfortable life." - Michael Bunker

"Mundus vult decipi, ergo decipiatur" - ~ attributed to Petronius (Gaius Petronius Arbiter (ca. 27–66 AD))
Roman courtier during the reign of Nero.

"Those who expect to reap the blessings of freedom, must, like men, undergo the fatigue of supporting it." - Thomas Paine


~ Undrstm8ed Truckumentry Write Up Pg.

~ Undrstm8ed Trailermentry Write Up Pg.
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 Posted: Fri Nov 24th, 2017 01:19 pm
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One of the big problems with big Hp in a truck is the weight distribution is more towards the front so you have a light rear end. This make it more difficult to plant the HP to the road. Spinning your tires is not what we want to do. Wider, stickier tires help but an even distribution of weight makes things much easier to launch and control in corners. There comes a point that there can be too much HP because it cannot be safely planted to the ground. Many years ago I had a F-100 Ranger that had a transplant 429 that would jump sideways when it was shifting gears above 4000 rpm - too much HP for the stock suspension.
I have amateur raced a few vehicles (dirt track, auto-cross, and motorcycle drag). For each type of racing I tried to select the "best" type of vehicle for the choices in that class. The HP side of it was never too much of a challenge but getting the suspension set for a launch or adjusting under-steer/over-steer was always the challenge. And no matter how new parts were the weakest link will be the failure point.
For my '04 Ranger I have no plans on anything but simple/cheap bolt-ons (if any) and will be keeping the 3.slo mostly stock. I do have a project muscle car I am working on but it is still a long way from seeing the road.



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Tony
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Ford-Rangers.com Ranger Forum > The fun starts here! > Pictures, Photos, Video links > Video: Engine Power Loss Over Time –

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