1st Gen. Ram - All Topics Discussion for all Dodge Rams prior to 1994. This includes engine, drivetrain and non-drivetrain discussions. Anything prior to 1994 should go in here.

timing bump egt drop

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Old Dec 19, 2007 | 03:11 PM
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Dean Snow's Avatar
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From: Haysville PA 16041
timing bump egt drop

so whats the normal egt drop after the timing bump,
im going to bump my timing since my pryo broke and im still waiting for it to be shipped here

just figured id see if it was even worth while
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Old Dec 19, 2007 | 04:30 PM
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Originally Posted by Dean Snow
so whats the normal egt drop after the timing bump,
im going to bump my timing since my pryo broke and im still waiting for it to be shipped here

just figured id see if it was even worth while
When you bump the timing, egts go down but actual piston temp go up!!!!!!!!

Fuel burn in the cylinder longer...............

Something to think about before you do it.

removing and plugging you boost line to you IP would help egts a lot............but you would suffer a power loss also.

Flash
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Old Dec 19, 2007 | 05:06 PM
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From: Pen Argyl Pennsylvania
Originally Posted by flashgordon
removing and plugging you boost line to you IP would help egts a lot............but you would suffer a power loss also.

Flash
I agree with this idea I have done it via valet switch. It was money well spent I went from pegging the 1600* pyro on wide open bursts to a max of 1000* on the same pedal pressure. The nice part about it is that I have all the power I want with the flip of a switch.

Ryan
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Old Dec 19, 2007 | 05:13 PM
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From: Haysville PA 16041
Thanks. I have the stuff to hook up a valet. I bought it back a while ago and didn't get around to it. So I'm going to hook it up now. So i don't want to bump the timing because it actually makes the cylinders hotter, but fools the pyrometer because the EGT's are lower correct?
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Old Dec 19, 2007 | 05:21 PM
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From: Pen Argyl Pennsylvania
If I'm not mistaken the timing bump gives it fuel sooner in the cycle thus keeping the fuel in the cyl longer. I have mine shoved to the head with the mods in my sig. now I need a larger turbo to help expell all the fuel I have.

Maybe santa will bring me that Gillett upgrade I asked for
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Old Dec 19, 2007 | 05:56 PM
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Originally Posted by flashgordon

removing and plugging you boost line to you IP would help egts a lot............but you would suffer a power loss also.

Just how much power loss ??



Originally Posted by Free89W350
Maybe santa will bring me that Gillett upgrade I asked for

If Santy Claws is not well-versed in diesel trucks, don't be surprised if you get a new razor, instead.
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Old Dec 19, 2007 | 06:26 PM
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From: port crane, NY
Originally Posted by BearKiller
Just how much power loss ??

It depends on pump settings and fuel pin orientation. The fuel pin translates directly (for the sake of conversation) to control collar travel. By stopping the cone from traveling down its bore, control collar movement on the plunger is limited by the same amount.
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Old Dec 19, 2007 | 08:44 PM
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From: Pen Argyl Pennsylvania
Originally Posted by BearKiller
Just how much power loss ??

I didn't feel that much loss except that it doesn't pull quite as hard



Originally Posted by BearKiller
If Santy Claws is not well-versed in diesel trucks, don't be surprised if you get a new razor, instead.


Maybe I should say "Mrs. Clause" and she's more versed then she really wants to be
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