Re: Injector Ratings - Saab Performance Bulletin Board - Saabnet.com
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Re: Injector Ratings
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Posted by Kevin K [Email] (#374) [Profile/Gallery] (more from Kevin K) on Thu, 8 Mar 2001 01:28:36 Share Post by Email
In Reply to: Injector Ratings, SteveW, Thu, 8 Mar 2001 00:18:20
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say you push inj's to 90% ... 241 hp per chart, with rated reg of 3 bar, that's 44+20=64 psi at the rails. Could hook up elec or mech fuel pressure gage temporarily to verify pump keeps up. For turbo, less BSFC (.6) gets you more like 225 hp.

2.3L at 100% efficiency is 223 scfm at 5500 rpm. say about 85% of 20 psi due to heat, and a VE of .85, thats 408 scfm ... take about 70% for hp gets 286 hp potential, if 20 psi at 5500.

Injectors likely would be maxed out. Could put on monster pump, with intercept type rrfpr for 90 psi fuel at 20 psi boost .. a bit crude. Or 44 #/hr inj'rs and an AMM signal conditioner like Splitsecond's ARC1, may happen with oem pump.

Not exact, but close.

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