how hot can i run the pyro - Diesel Truck Forum - TheDieselGarage.com
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post #1 of 12 (permalink) Old 02-15-2008, 10:30 PM Thread Starter
 
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how hot can i run the pyro

i have the pyro probe installed in the exhaust manifold and was wondering how hot i can run it any info thanks

2000 f-350 7.3
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post #2 of 12 (permalink) Old 02-15-2008, 10:38 PM
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In short bursts, you can peg the gauge. Guys do it all the time in sled pulls and drag strip runs. However daily driving, towing up say a mountain grade, don't let it exceed 1250 degrees for any longer length of time.
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post #3 of 12 (permalink) Old 02-15-2008, 10:47 PM
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i was told 1350* was the danger zone and not to let it pass there

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post #4 of 12 (permalink) Old 02-18-2008, 09:52 PM
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obviously the lower the better but like earlier mentioned you can run high in shorter bursts, its your truck none of us have to pay the repair bill run at your own discretion

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post #5 of 12 (permalink) Old 02-18-2008, 11:04 PM
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Quote:
Originally Posted by camojeeper
i was told 1350* was the danger zone and not to let it pass there

You DO NOT want to run that high for sustained periods of time.

IH tells us 1250 all day and no issues. You can run over that for 10-30 seconds depending on were you were before. Its about heat soak. If the pistons were at 1200 before you went over 1250 then it will take seconds to reach a danger level, but if you were cruising along at 600-700 then you can go for much longer before they reach that danger level.

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post #6 of 12 (permalink) Old 02-19-2008, 12:22 AM
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Quote:
Originally Posted by CSIPSD
You DO NOT want to run that high for sustained periods of time.

IH tells us 1250 all day and no issues. You can run over that for 10-30 seconds depending on were you were before. Its about heat soak. If the pistons were at 1200 before you went over 1250 then it will take seconds to reach a danger level, but if you were cruising along at 600-700 then you can go for much longer before they reach that danger level.





1250 all day no issues?

does that include hauling heavy up hills?

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post #7 of 12 (permalink) Old 02-19-2008, 12:31 AM
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Yes. This is what IH has said in the past... I use 1200 for my sustained limit most of the time, just for a bit of a safety and gauge error cushion...

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post #8 of 12 (permalink) Old 02-19-2008, 04:46 AM
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remember these temps are pre turbo. if you egt probe is post(after turbo in the down pipe) you should not run above1000*

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76 CJ-7 B/B FUEL INJECTED AMC 401cid V-8, T-18, D 20 transfer case with 5.38's in the D44's full family cage,ARB air locker rear, lock right front, 37"goodyears [email protected]

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post #9 of 12 (permalink) Old 02-19-2008, 05:29 AM
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Shouldn't even run a post turbo pyro anyway. It's a waste of a gauge.
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post #10 of 12 (permalink) Old 02-19-2008, 08:16 AM
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Quote:
Originally Posted by CSIPSD
Yes. This is what IH has said in the past... I use 1200 for my sustained limit most of the time, just for a bit of a safety and gauge error cushion...
you mean you actually have "gauge error" with those Performax's????
WOW!! woulda never thought that could happen!!


















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