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Re:Turbo tech discussion...
anyone thats got a copy of maximum boost like to share?
I would like a clear explanation as well. |
Re:Turbo tech discussion...
Originally Posted by 90zcrex
anyone thats got a copy of maximum boost like to share?
I would like a clear explanation as well. I had that book but I ran out of toilet paper so I used that wortless book instead. Which flows more air; a 5 inch diameter piece of pipe or a 1 inch diameter piece of pipe? And thats not even considering compressor efficiency |
Re:Turbo tech discussion...
Originally Posted by Whitey
Originally Posted by 90zcrex
anyone thats got a copy of maximum boost like to share?
I would like a clear explanation as well. I had that book but I ran out of toilet paper so I used that wortless book instead. Which flows more air; a 5 inch diameter piece of pipe or a 1 inch diameter piece of pipe? And thats not even considering compressor efficiency the new issue of MODIFIED MAG has an article in it talking ot the prez of PTE (Precision Turbo & Engine, the ones with the bad ass turbos)....maybe you should all give it a read... |
Re:Turbo tech discussion...
see, again. a 1 inch pipe can flow just as much air, the air just has to be moving faster. A smaller turbo, given, will have to be spinning faster to flow enough air to create a given boost, but its the same thing.
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Re:Turbo tech discussion...
Originally Posted by s1ngle
see, again. a 1 inch pipe can flow just as much air, the air just has to be moving faster. A smaller turbo, given, will have to be spinning faster to flow enough air to create a given boost, but its the same thing.
compressor efficiency says its not the same thing |
Re:Turbo tech discussion...
s1ngle, bottom line a bigger turbo flows more cfm. cfm makes power not psi. if its the same thing why doesnt jeff run a ihi rhb5 on his built ls/vtec? should be the same right as a t3/t4.....wrong. rhb5 flows 190cfms a t3/t4 flows like 780 cfm. both at 5psi of pressure who flows more denser air.... 190 at 5 or 780 at 5 ...you make the call
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Re:Turbo tech discussion...
thats like you saying if you blew through a coffee stirer you could move as much air if you blew through a mcdonalds straw. not going to happen and youd need to blow harder thru the stirer which means less efficiency, and more heat, which equals even less power.....ugh you get the picture now?
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Re:Turbo tech discussion...
he is abously not getting it...we have said the same think several times now.... ::)
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Re:Turbo tech discussion...
he just wants a source, I believe the CFM story, but I don't understand it, thus it's no use to me, someone needs to explain completely, I'm stupid.
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Re:Turbo tech discussion...
Originally Posted by hotrex
s1ngle, bottom line a bigger turbo flows more cfm. cfm makes power not psi. if its the same thing why doesnt jeff run a ihi rhb5 on his built ls/vtec? should be the same right as a t3/t4.....wrong. rhb5 flows 190cfms a t3/t4 flows like 780 cfm. both at 5psi of pressure who flows more denser air.... 190 at 5 or 780 at 5 ...you make the call
1000cfm of 150°C air will get you way less power than 1000cfm of 0°C air. 50lb/min of air is the same amount at 0 degrees or a 150 degrees, it just occupies smaller space, effectively LESS CFM at 0 degrees! Why are compressor maps given in lb/min and never CFM? Because CFM doesn't take the air density into account! Bottom line. It's about AIR MASS, not AIR VOLUME! |
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