cranck up the injector pump
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From: Kent WA
Turned mine up a flat already. DEFINITELY worth the small amount of time invested. I'm debating about whether to turn it up another 1/2 flat.
Good idea to have a pyrometer installed first though. My EGTs get up to 1200 pretty quick with my foot in it going up a 12% gradel now.....
Good idea to have a pyrometer installed first though. My EGTs get up to 1200 pretty quick with my foot in it going up a 12% gradel now.....
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From: Nutter Fort, WV
whitefordaward,
Welcome to FTE and the IDI diesel forum.
What did you do to improve the airflow?
A pyrometer is a good idea before increasing the fuel delivery, it could save you an engine.
Welcome to FTE and the IDI diesel forum.
What did you do to improve the airflow?
A pyrometer is a good idea before increasing the fuel delivery, it could save you an engine.
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I have a full set of autometer gauges on the piller.boost,egt's,and a tranny temp.yes it is a 5speed but I like to keep and eye on it.the airflow is really simple.all I did was fab up a custom aluminum tube that runs from turbo to a k&n filter that is suffed between the radiator and the battery with a shroud to keep out the junk.I picked up about 3lbs or boost.we did an air flow test and picked up about 20% more air.as we all know the only way to build more power is more fuel and air.good luck telling all these domb kids that.
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the egts is what concerns me right now.I think I have the airflow to keep the mixture right.my truck dosen't blow smoke until I hit about 2500 rpms. every body says O thats perfect but I know that I get a little more power.the smoke isn't thick its more of a haze than a big dark stream.
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From: Kent WA
Originally Posted by whitefordaward
the egts is what concerns me right now.I think I have the airflow to keep the mixture right.my truck dosen't blow smoke until I hit about 2500 rpms. every body says O thats perfect but I know that I get a little more power.the smoke isn't thick its more of a haze than a big dark stream.
I'd like to turn it up another half-flat, but I'm concerned about the EGTs.....
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they max out 15lbs on boost and that really hammerin on it and the egts max aout around 630.its cool running engin the temp never touches the N on the gauge unless I'll pulling a heavy load and its gose no further than the N.referin to the word normal across the top of the gauge
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my pump is an after market performance unit so it already has a higher rate or flow.I also have a full cool air induction unit no air box.you may be able to crank it up one full flat or a hair more if you can feed the air to it.
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From: Monroe, WA
The turbo manufacturers say 12 is max, so you're already out in no mans land. That being said, mine has gone to 18 psi, but the temp gauge started going right over. After that I turned the pump down a flat and it hangs around 15 pounds max. I have a pyro for it, but never have put it on. If I get a chance, I'm going to try getting it installed tomorrow. Be nice to finally find out how hot it's been getting. Can you tell I'm a diesel mechanic? Never get a chance to work on my own stuff. 
Last edited by Spectramac; Jan 18, 2007 at 09:41 PM.
Post Fiend
Joined: Nov 2003
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From: Nutter Fort, WV
What maxes out at 15?
Is your thermocouple before the turbo or after it?
Hey Malcolm, if 15 is no mans land, where am I?
I pass 20 at 2500 RPM.
Disclaimer, do not attemp to run boost numbers like mine in a stock engine.
Mine is modified a little more than most.
15 PSI boost is pushing the limit rather hard as far as head gaskets go.
Is your thermocouple before the turbo or after it?
Hey Malcolm, if 15 is no mans land, where am I?
I pass 20 at 2500 RPM.
Disclaimer, do not attemp to run boost numbers like mine in a stock engine.
Mine is modified a little more than most.
15 PSI boost is pushing the limit rather hard as far as head gaskets go.
Last edited by Dave Sponaugle; Jan 18, 2007 at 10:06 PM.
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From: Kent WA
Originally Posted by muscletruck7379
how much does a flat cost you in mileage?
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my turbo pulls 15 lbs not bad I think for a non-wastegate turbo.it stays fairly cool couse I have a masive exaust.I also fabed (I'm a welder)a 3in X-over pipe from the stock 2 1/4 that made a big difference.I think I need headers though.