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Old 07-17-2009, 05:58 PM
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EGT and boost guage question

all right so ive had my guages installed for a few weeks now and have a few questions, first, i mounted my pryro a few inches after the turbo (on the DP) but it seems that the manifold is prefered? whats the temp differance between it mounted on the manifold and DP (how hot can i get with it on the DP?)

also, my boost guage flutters around alot and i dont think its reading acurate, could this be a guage/connection or is it something with the truck itself?
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Old 07-17-2009, 06:01 PM
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i think the temp diff is like 200-300 less if i remember right but dont take my word for it, and did you just install a tuner or such? because the fluttering is probably turbo surge but you should be able to hear it also.
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Old 07-17-2009, 06:02 PM
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Originally Posted by mustangman02232 View Post
all right so ive had my guages installed for a few weeks now and have a few questions, first, i mounted my pryro a few inches after the turbo (on the DP) but it seems that the manifold is prefered? whats the temp differance between it mounted on the manifold and DP (how hot can i get with it on the DP?)

also, my boost guage flutters around alot and i dont think its reading acurate, could this be a guage/connection or is it something with the truck itself?

For the boost gauge do you have it hooked up to the map line? If so that would explain the fluttering gauge. You should tap the boost elbow and put it in there. That will give a more accurate reading.
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Old 07-17-2009, 06:08 PM
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Originally Posted by 03-blue-Powerstroke View Post
For the boost gauge do you have it hooked up to the map line? If so that would explain the fluttering gauge. You should tap the boost elbow and put it in there. That will give a more accurate reading.
yea it is, i can try tapping the elbow this weekend, and would i be safe to say keep the EGTs below 1000* with it on the DP?
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Old 07-18-2009, 05:36 AM
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Im not to sure about that. I have heard that with the sending unit after the turbo that the temperatures can be off anywhere from 2-400 degrees. Obviously they will read alot cooler.
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Old 07-18-2009, 08:19 AM
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1300* is max safe in the manifold right?
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Old 07-18-2009, 09:13 AM
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you need to put that pyro pre turbo at the elbow of one of the manifolds, post turbo isnt as important as pre turbo.

The boost flutter is from it being tapped into the map sensor, drill and tap the intake elbow and this should eliminate the boost gauge flutter.
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Old 07-18-2009, 11:54 AM
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yea I had mine in the DP as well, BTS moved it to the manifold for me when I got the EGR delete. Far more accurate and a much quicker reading. I would keep it under 1000 until you move it!
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Old 07-18-2009, 04:38 PM
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Put it on the manifold but id be great to put 1 on each.

If you putting it on the dp add 200* just to be safe
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