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Old 07-16-2010, 01:41 PM   #1
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Thumbs up I may already know the answer, but

why cant I use my OBA tank as a sort of "temporary turbo"? Assuming the air in my tank is at 150 psi, and the average turbo runs what 10 psi maybe, why dont people just hook up a line to the intake and call it a day? Flip a switch when you want the compressed air bootleg turbo and get a nitrous-esque burst of power.
Is it a flow rate thing? probably not enough air volume to make a difference is what my brain is telling me.
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Old 07-16-2010, 01:44 PM   #2
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The air would run out in a few seconds and if but compresed air in the motor without adding more fuel it will be way to lean and burn up pistons. I just doesnt work.
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Old 07-16-2010, 01:45 PM   #3
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have fun putting 150psi into your engine...bye bye seals.
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Old 07-16-2010, 01:48 PM   #4
bigburrito [OP] bigburrito is offline
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Quote:
Originally Posted by lookylookitzadam View Post
have fun putting 150psi into your engine...bye bye seals.
i would use a regulator to dial down the psi equivalent to what a turbo would run. just crank it down to 10, 20 whatever would be correct. if there is such a thing as "correct" in this scenario.
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Old 07-16-2010, 01:51 PM   #5
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Quote:
Originally Posted by mwild View Post
The air would run out in a few seconds and if but compresed air in the motor without adding more fuel it will be way to lean and burn up pistons. I just doesnt work.
thats pretty much what i was thinking. the air would be gone in a matter of seconds. but, if thats all you needed, then it might work. maybe just use it for passing, or drag racing Raptors?
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Old 07-16-2010, 06:32 PM   #6
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No way would your OBA produce enough flow. It has the Psi but it has to produce a large amount of air flow at that pressure. You would need a very large valve with a very high flow regulator. Even with that it would last less than a second at the volumes of air it takes to produce the smallest amount of positive pressure in the intake.
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Old 07-16-2010, 06:44 PM   #7
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Quote:
Originally Posted by PreRunnerSeth View Post
No way would your OBA produce enough flow. It has the Psi but it has to produce a large amount of air flow at that pressure. You would need a very large valve with a very high flow regulator. Even with that it would last less than a second at the volumes of air it takes to produce the smallest amount of positive pressure in the intake.
Bingo! CFM is the issue.
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Old 07-16-2010, 06:55 PM   #8
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a typical on board air system compressor pumps at about 2-3 cfm. and takes about 1-2 minutes to fill a 2gallon OBA tank. the V6 requires about 400CFM to run. To get any performance youd have to push 500CFM at 6-8lbs. your 2 gallon tank would last about .3 seconds...literally...

plus the fact 1/2" hose can only carry about 10cfm at 8psi...
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