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Premium Member
Civic turbo Hx/Ex
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18,609 Posts
Discussion Starter #1
I found this site that converts injectors from ft/hr to CC/min for injectors. It also lets you know what the injectors can handle horse power wise at 80% max duty cycle!

With out further ado the site...

http://injector.com/injectorselection.php

I found it useful so I am now going to share it with all of you!
 

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the hard-parker
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4,257 Posts
that's an awesome find man! thanks for sharing :)
 

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allwheeldriveturboboxer
'08 Mazdaspeed3
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2,469 Posts
rexinre said:
I found this site that converts injectors from ft/hr to CC/min for injectors. It also lets you know what the injectors can handle horse power wise at 80% max duty cycle!

With out further ado the site...

http://injector.com/injectorselection.php

I found it useful so I am now going to share it with all of you!
i dunno, i find this to be very conservative just like the the old RC Engineering calc.- for instance, a stock 240cc injector is enough for 200+ whp, and im not talking about being @ 100 duty either...however, this calc. would laugh in the face of that. Im not saying you will go wrong following this, however, i would also take into account what people are using before running out and gettng custom injectors.
 

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allwheeldriveturboboxer
'08 Mazdaspeed3
Joined
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2,469 Posts
rexinre said:
I think I see what you are saying. I did a calculation for 240cc injectors on that site and it said at 80% hp is 146.3! So you are saying this site is not correct?
well, i think it's part conservativity/ part sales tool for the hosting company...

if you change the BSFC to .4, the resulting solution can be a little more realistic....

we all know for a fact that at the right fuel pressure a 240cc injector can supply atleast 40-50+ more whp than 146.3 while being under 80% duty.
 
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