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Gain 5 Horsepower This
Weekend, For Practically Nothing
by: Nathan Morris
What if I told you that you can gain 5
horsepower this weekend, for less than $100? Or, what if I told you that you
could gain 5 horsepower this weekend, for less than $20?
I bet you'd be interested eh?
Well, the good news is, I'm going to tell
you how to gain 5 horsepower this weekend for $0-15 spent. Sound too good to be
true? Well, read on!
1) Increase the H2O ratio in your coolant -
if it weren't for corrosion and freezing concerns, automotive makers would use
pure water. Water cools much better than coolant any day of the week, and a
cooler engine is a better performer.
Instead of half and half, try 40/60. DO NOT
use pure water, As this may cause premature corrosion and that can be no fun at
all to clean up. You may also try water wetter to further enhance this effect.
2) Index your spark plugs - this is an age
old trick that is good for about 1 extra pony. The idea here is to
"aim" the open end of the spark plug terminal (the gap) towards the
intake side of the head. In order to accomplish this, simply mark on the plug a
small line to indicate where this gap is, and install the plug as normal.
Try to line up the line with the intake
side as best as you can. It may require buying 2 sets of spark plugs in order to
do this, but hopefully you'll be able to do this the first time. Be careful with
aluminum heads not to over tighten, as that could lead to a costly repair.
3) Relocate IAT Sensor - This is a very
simple modification that will work on a great deal of fuel injected vehicles.
The IAT sensor (“Intake Air Temperature”) tells the computer how hot or cold
the incoming air is. The computer will then adjust the amount of fuel being
injected, as well as make minor adjustments to timing based on that reading.
The problem is that in many vehicles, the
IAT sensor is located in the intake manifold, near the cylinder head. Therefore
the air that the IAT sensor “reads” is much hotter than the air, say, in the
intake arm. The idea with this mod, is to relocate the sensor to the intake arm.
Use JB Weld or similar to patch up the old port for the sensor.
This will cause the computer to believe
that incoming air is slightly cooler, causing it to inject more fuel and advance
the timing a tad.
4) Synthetic Oil - This is guaranteed to
pick up 1-2 horsepower, as multiple dynos over the years have proved this fact.
Simply by switching to a true synthetic oil this weekend you can reduce the
friction in your engine, improving efficiency, and therefore going faster.
5) Insulate Fuel Lines - When your fuel
lines travel through the engine bay they heat up. However, cooler fuel produces
more power for more reasons than just cooling down the intake charge--although
that certainly helps things! So, to improve power output, simply purchase some
refrigerator/air conditioning insulation and wrap the fuel lines with the
insulation. While you're at it, you may wish to go ahead and do this to the
intake arm as well for even more power.
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Want more information like this?
Check out The Definitive Guide to Low-Buck
Performance: Best Kept Secrets of Top Racers
Click here: http://www.ultimateresourceguides.com/low-buck/index2.html
(C) 2004 by Nathan Morris – All rights
reserved.
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