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  #46  
Old 11-07-2006, 03:26 PM
gsxr's Avatar
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Put another way... the ALDA enrichment is limited by the internal full-load rack stop. With the ALDA maxed out (or removed, which I don't recommend for most people), the power is ultimately limited by the full-load fuel delivery (assuming that you have enough air). Spec for 617 boost is 0.75-0.85 bar, or about 10-12psi.

All this talk about boost pressure at a given speed, or feeling a rush of power (or lack thereof), is highly subjective and hard to prove anything with. How about a 0-60 test with a stopwatch, even better if you can confirm the speedo is accurate with a handheld GPS. That's usually a good barometer for your power output.

If you monkey with the full-load setting, you may have to actually lean out the ALDA, as the full load moves the whole rack (as I understand it), and will increase fuel delivery over the whole RPM range. Don't even think about this without a pyrometer. You're safe up to about 1300F, but at 1500F I chicken out and lift my foot. Time for an intercooler....





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  #47  
Old 11-07-2006, 04:05 PM
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1983 300CD
 
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Thanks for the info and pic. Pretty neat pic. You are braver than I!
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  #48  
Old 11-12-2006, 02:14 PM
SevaSingh 617's Avatar
BioDiesel Huffer
 
Join Date: Oct 2006
Location: phoenix az
Posts: 6
waste gate?

How do I know if my waste gate is opening? I dont hear the psh I used to.
Is it the EGR? I noticed that this guy has no EGR in his last pictire.
Help a brother out.

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