probe question
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Senior User
Joined: May 2006
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From: dryden,michigan
probe question
soo i got my probe im the y pipe about 8 inches from the exhaust manifold b4 the bend under the bellhousing soo do i gotta subtract any heat or what cuz i wanna turn the fuel up but im scared too dont wanan squew my motor up kinda amazin tho that im runnin 10 lbs boost stock from the place i got the motor. from but i run up to about 900 it says unloaded till about 70 stays around there if im loaded and push on the gas to get over 60 in overdrive it will go over 10 barley
Post Fiend
Joined: Nov 2004
Posts: 5,638
Likes: 1
From: Manitoba
The normal install location is as close to the manifold as possible........at that distance your not getting a really true indication.........
Someone with heat loss VS distance knowledge will be required to figure that out so you do not burn it up......
Someone with heat loss VS distance knowledge will be required to figure that out so you do not burn it up......
Last edited by PLC7.3; Jun 3, 2007 at 06:40 AM.
Post Fiend
Joined: Nov 2003
Posts: 21,285
Likes: 15
From: Nutter Fort, WV
In only 8" you will not loose much heat.
1250 is the magic number you want to stay under.
I always like to leave a margin for error in the gauge, so that would say keep it under 1200.
Since you are not in the manifold, drop another 50 off and keep it under 1150.
If you want to be extra cautious keep it under 1100 for most of your driving.
The big drop is when you are after the turbo.
That requires 300 or so degrees be subtracted from what is safe at the manifold.
I can also tell you that you will see max MPG if you keep the EGT close to 600 degrees at the manifold.
1250 is the magic number you want to stay under.
I always like to leave a margin for error in the gauge, so that would say keep it under 1200.
Since you are not in the manifold, drop another 50 off and keep it under 1150.
If you want to be extra cautious keep it under 1100 for most of your driving.
The big drop is when you are after the turbo.
That requires 300 or so degrees be subtracted from what is safe at the manifold.
I can also tell you that you will see max MPG if you keep the EGT close to 600 degrees at the manifold.
Thread Starter
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Senior User
Joined: May 2006
Posts: 352
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From: dryden,michigan
sooooo im wondering no one told me should i turn it up another flat an and what size is that allenwrench i need to do that?? and does it harm the motor at all as long as keep the egt under 1150 and i still dont know wuts wrong with my turbo return line thing that i have my boost gauge connected too i dont undertsand why its loose
