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Hi all - Welcome back for the second time this month!

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Author Topic: Normal EGT temps?  (Read 3580 times)
Litneon
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« on: July 23, 2015, 01:04:49 AM »

Hey guys!  Finally got around to buying and installing a PLX EGT module for my DM-6 gauge.

I was wondering what normal EGT's should be for these engines.

With my current tune I'm seeing 900-1000 degrees at idle, and 1350-1400 highway cruising at 15.2 AFR, 2800 rpms, and 38*+/-  of timing.
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ReelDeal
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« Reply #1 on: July 23, 2015, 05:31:19 AM »

That is almost exactly what I am getting. I have posted the question several times myself.
T
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Litneon
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« Reply #2 on: July 23, 2015, 09:43:11 AM »

Where is your probe mounted?  I put mine right at the collector/turbo flange on my log manifold.  I'm not sure if that makes much of a difference, but I've read that just outside of the #4 cylinder is ideal.  But for me, it's only a 6" or so difference, except that it would be reading only one cylinder, rather than all four.
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ReelDeal
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« Reply #3 on: July 23, 2015, 06:10:01 PM »

You are better than I am with the probe. Mine is in the down pipe right after the elbow, so my real life temps might be 100 degrees hotter.

T
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Dirty Dude
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« Reply #4 on: November 01, 2015, 03:03:24 AM »

You are better than I am with the probe. Mine is in the down pipe right after the elbow, so my real life temps might be 100 degrees hotter.

Or 200-300 hotter. Shocked

900 idle/sub-1400 cruise at the turbo collector isn't bad for an engine of the era IMO.
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1972 Pinto 2.3T/MS-II v3.0.
2000 Frontier
ReelDeal
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« Reply #5 on: November 01, 2015, 06:55:59 AM »

Maybe....I haven't melted anything yet!  Smiley

T
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Litneon
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« Reply #6 on: November 01, 2015, 12:38:56 PM »

With further driving, I've settled on these numbers at the collector...

Idling for a long time:  930-950*F
Short idle after driving:  1050-1100*F
Slow cruising:  1200-1300*F
Cruising at 70mph:  1400-1450*F
Moderate acceleration:  1400-1500*F
Hard Acceleration (18psi):  1500-1550*F  with a 50/50% by weight water methanol injection (370ml per minute).
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