whats the diff between RS4 injectors and green tops, if possible a detail explanation of everything
02-02-2005, 11:50 PM
#51
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I have used 57lb. injectors in 20 valve turbo engines, instead of the 32lb. stockers
cold startup was good-ish, warm startup was a mess.
It required complete remapping of the fuelling, the car wouldn't run right and for that old M2.3.2 Motronic ECU they were completely outside the adjustment window of the ECU, even when programmed for RS2 injectors. We have used them at 4 Bar though, which means 650cc/min. 5 Bar worked fine too on a 570HP S2. The car would even idle fine at 14.7:1 AFR after lots of tweaking of the fuel maps and despite big-ish cams...
HTH,
Mihnea
It required complete remapping of the fuelling, the car wouldn't run right and for that old M2.3.2 Motronic ECU they were completely outside the adjustment window of the ECU, even when programmed for RS2 injectors. We have used them at 4 Bar though, which means 650cc/min. 5 Bar worked fine too on a 570HP S2. The car would even idle fine at 14.7:1 AFR after lots of tweaking of the fuel maps and despite big-ish cams...
HTH,
Mihnea
02-03-2005, 04:24 AM
#52
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I got the 40s from ATR
<a href="http://www.atrperformance.com/product_info.php?cPath=1_5&products_id=61&ATRid=18 6a77bfc54dc147eec66ef0822a447e">pick a size 
</a>
The 22.4 degree cone 50lb injectors you mentioned would be interesting to try at 3bar, not too far off the 40s at 4bar for flow, and those worked well other than pattern issues.
</a>The 22.4 degree cone 50lb injectors you mentioned would be interesting to try at 3bar, not too far off the 40s at 4bar for flow, and those worked well other than pattern issues.
02-03-2005, 04:26 AM
#53
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Stockers were a "medium" height, seriously :) I'll try to measure one tonight.
<pre>
Base Injector Configuration O-ring to O-ring Dimension Overall Height
Short 37 mm 48 mm
Standard 52 mm 63 mm
Long 64 mm 75 mm
</pre>
Base Injector Configuration O-ring to O-ring Dimension Overall Height
Short 37 mm 48 mm
Standard 52 mm 63 mm
Long 64 mm 75 mm
</pre>
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