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Alex Performance Motorsports, LLC
P.O. Box 589
Dingmans Ferry, PA 18328
(570) 832-4633
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Here are some very useful utilities |
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Calculator.xls |
And here what the creator (no-coast-punk
from nasioc) has to say about it:
Hey guys, I have been burning up time in
class lately working on a nifty utility. You input
ambient air pressure, displacement, # of injectors. And
then fill out a small table with engine rpm's,
volumetric efficiency, desired fuel air ratio, and
manifold pressure (positive or negative) and it will
give your pressure ratio, airflow in both lb/min and CFM
(extremely useful for running compressor maps). Fuel
delivery in lb/hr, Lph, and lb/min (perfect for picking
the proper fuel pump). And it also gives you the
injector size you need in both lb/hr and CC (both
figures include a max 80% duty cycle). It also gives you
the gallons per hour your car is consuming and given a
certain vehicle speed also gives you your approximate
fuel mileage. I also added a field to calculate
APPROXIMATE horsepower late last night. Being that I
have no real thermal efficiency numbers for our motors
it isn't very accurate. But It should be within 10-15%.
Oh yeah.... this also works for NA cars too, just enter
the appropriate negative pressure numbers (in PSI) and
it will tell you what you need.
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Engine VE |
This Little utility will help you estimate your engine's
VE |
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Performance |
This utility will pretty accurately predict your 1/4
mile time based on our car's weight and power or will
work in reverse and give you power based on 1/4 results
and your car's weight. It will also let you
calculate approximate injector size for you horsepower
goal. |
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Subaru WRX Brake Bleeding Procedure
1- F. Right
2- R. Left
3- F. Left
4- R Right
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We Are Currently in the process of updating
our site with new products
If you don't see something you need please
email us and we will get back to you right away
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BPM TT Rear Section
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BPM Virtual Header System
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BPM GT Rear Section
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