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02-24-2006, 12:18 PM
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#1 |
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AudiWorld Senior Member
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What is the ideal flow rate for an injector for Stage 3 at 4 Bar? Is the RS4 ideal, or close enough?
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02-24-2006, 12:28 PM
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#2 |
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AudiWorld Expert
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it really depends entirely on what code youre running.
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02-24-2006, 12:29 PM
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#3 |
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Why would that matter? Let's assume Homebrew GIAC.
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02-24-2006, 12:32 PM
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#4 |
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AudiWorld Super User
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What size MAF are u using BTW?
__________________
2000 Audi S4 STG 3 FATS = 3.66 w/ 91 oct AIM: EdyJun  11 September 2001 In their honor. In their memory. <font color="red">---------------------------------------------------------- <u><big>  <a href="http://homepage.mac.com/edyjun1/S4/index.htm">EdyJun's S4 Directory (FAQ, DIY, Info, Tips and Help) </a> </big> </u>---------------------------------------------------------- </font> |
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02-24-2006, 12:35 PM
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#5 |
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then it'd depend on what size MAF housing you went with. Ideally, you want to increase injector
flow rate by the same percentage you increase MAF housing size. I think.
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02-24-2006, 12:36 PM
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#6 |
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AudiWorld Senior Member
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RS4 MAF
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02-24-2006, 12:37 PM
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#7 |
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RS4 or 36# (blue tops) would be a good combo...
If you're interested I have probably one of the very few sets of used RS4 injectors. Pricing just went up to $750 a set from ECS. Let me know if you're interested.
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02-24-2006, 12:39 PM
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#8 |
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AudiWorld Expert
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Lemieux was scouring for a set the other day
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02-24-2006, 12:43 PM
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#9 |
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AudiWorld Super User
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2nd
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2000 Audi S4 STG 3 FATS = 3.66 w/ 91 oct AIM: EdyJun 11 September 2001 In their honor. In their memory. <font color="red">---------------------------------------------------------- <u><big> <a href="http://homepage.mac.com/edyjun1/S4/index.htm">EdyJun's S4 Directory (FAQ, DIY, Info, Tips and Help) </a> </big> </u>---------------------------------------------------------- </font> |
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02-24-2006, 12:46 PM
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#10 |
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AudiWorld Senior Member
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If stock Maf is 73 and RS4 is 83, that's 13.7% increase, so injectors should be more like
400 cc at 4 bar. The RS4's are at 480 cc. If you could get injectors that flow 400 cc, then wouldn't the match be much better than RS4's. Homebrew folks wouldn't have to do so many Lemmiwinks, or am I on the wrong path?
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02-24-2006, 12:46 PM
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| Tags |
| audi, b5, edyjun, flow, flowrate, housing, ideal, increase, injector, injectors, lemmi, maf, rate, s4, size, stage |
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