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Old 07-07-2007, 11:08 AM   #1
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Question What are YOUR crusing EGT's?

I've been fighting an EGT issue on my car and another turbo SVT, I've noticed that the EGT's at cruise stay between 1200 and 1300* which I feel is high.

I know its a timing issue, I've datalogged my car and my friends and I've noticed that during steady cruise the timing stays around 14-18* while it should be considerablly more.

Now there are multiple spark tables in the ProRacer Package and usually we all use the borderline knock table... but when you datalog the spark source it "generally" refers to 3 tables during steady state driving... 1,2 and 8.

It seems to be mainly spark source 8 thats giving me the 14* of timing issue... so does any know what table spark source 8 is???

Or anyone else having higher than normal EGT's???

Anyone have a list of which spark tables correspond with which number???


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Old 07-07-2007, 12:05 PM   #2
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Mine runs in the 1250-1300 range most of the time at cruise. Being a ZX3 I have logged the knock sensor at the table rpm values at throttle opens across the range from none to WOT and set my lower spark values based on that. I would say on mine the 1300 is pretty normal. Could change also on where the probe is located. Mine is looking at #3 cylinder in the collector going to the turbo.
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Old 07-07-2007, 02:29 PM   #3
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Mine probe is on #3 about 1.5 inches off the flange prior to the turbo.

If everything was working right we should see closer to 1000-1100 degrees at cruising.
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Old 07-07-2007, 02:33 PM   #4
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Old 07-09-2007, 11:54 AM   #5
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Yeah I was driving a bit this weekend and when building boost it gets to 1600° really quick. I know it should go up but it only takes a couple seconds to get to 1600.
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Old 07-09-2007, 03:52 PM   #6
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Quote:
Originally Posted by 03OrangeSVT View Post
If everything was working right we should see closer to 1000-1100 degrees at cruising.
What's your RPMs at crusing speed?

I see anywhere from 1200-1450 depending on my RPM.
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