Pyro reading??
02-06-2006, 06:56 PM
#16
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to the guys running 1400+, all i can say is that they must have ats manifolds...because 1400+ sustained will surely melt the stock manifold. ive seen it done numerous times...you get nickel sized holes in the manifold itself.
I've seen a sustained 2200+ (gauge pegs at 2200) consistantly on a pulling truck without so much as a mark in the piston after the head was pulled do to a turbo explosion. Not saying that this is a good idea but it makes the 1350 everyone is so worried about pretty trivial.
02-06-2006, 07:14 PM
#17
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ive always been told my egts have been low. ive never see over 1250 pre turbo running any setting other than crazy larry. with crazy larry i can see about 1300 to 1350. my probe is closest to the #4 cylinder.
02-06-2006, 08:51 PM
#18
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Then urs is about exactly where mine is at. Maybe just certain trucks have the lucky ability to run cooler than others, than again maybe not I will pay with the price of a new engine. But as far as I can tell all of my gauges and readings are reading properly. So anybody else have any oponions please let me hear them.
02-07-2006, 10:56 AM
#19
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Your EGT`s seem to be right in line with mine. I`m running a BDPP stacked with an EZ, and my pyro probe is almost exactly where yours is. My EGT is about 550-625 @ 78mph on the interstate, and the highest I`ve ever seen it hit is about 1280 @WOT
02-07-2006, 11:14 AM
#20
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Before I got my new turbo, my temps with the boxes stacked never went above 12-1300 degrees. With my new turbo I get to 1500. People have been telling me the same stuff about bad pyro probes for the past 3 years. Lots of guys believe that if your truck doesn't act exactly as theirs does then there must be something wrong with yours! 
Remember, just because everybody on the web-boards thinks they are an expert, doesn't mean they are....
Remember, just because everybody on the web-boards thinks they are an expert, doesn't mean they are....
02-07-2006, 03:19 PM
#21
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i've been wondering this same thing. I've got a BDDL on extreme stacked with an EZ on the highest setting with the pyro mounted slightly toward the front and I've seen barely 1250-1300 degrees pre-turbo when I was going 110-115 for about a half mile. and normal cruising it's around 600-700 no matter if i'm going 60 or 85. I do have an intake and a 4" straight pipe exhaust, but I was expecting temps to be WAY higher with the stack that I'm running.
02-07-2006, 06:19 PM
#22
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Originally Posted by Jfaulkner
FYI cast iron melts around 2100 to 2800 deg.
I've seen a sustained 2200+ (gauge pegs at 2200) consistantly on a pulling truck without so much as a mark in the piston after the head was pulled do to a turbo explosion. Not saying that this is a good idea but it makes the 1350 everyone is so worried about pretty trivial.
I've seen a sustained 2200+ (gauge pegs at 2200) consistantly on a pulling truck without so much as a mark in the piston after the head was pulled do to a turbo explosion. Not saying that this is a good idea but it makes the 1350 everyone is so worried about pretty trivial.
I better go out and look for holes in my manifold again.... I must have missed them!
Cheers
Bekim
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