Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

Calibrating the fuel pump????

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Old Jul 8, 2010 | 09:20 PM
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jdcoop8791's Avatar
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Default Calibrating the fuel pump????

I was looking on ebay and i found a performance resistor for my 1994 6.5. It says that the resistor range from 1 to 9, This calibrates the amount of fuel that the injectors send. It says that the resister plugs inbetween the harness and the PMD.
Is this a good upgrade, or is this just another scan? I want more fuel and more power but i don't want to have to spend $300 on a chip. Can you help me with this or does anyone know any info about this at all?
 

Last edited by jdcoop8791; Jul 8, 2010 at 09:33 PM.
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Old Jul 8, 2010 | 10:57 PM
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its true it does plug in between the harness and pmd. stock is #5 and you need it or it will throw codes. it is also true that it increases fuel but nothing you will feel. its a very very very small amout of fuel that is injected. sorry but the only cheap way to get more power is a chip.

---AutoMerged DoublePost---

you can wire a boost fooler into the truck but it wont add much power since your not adding any fuel just boost
 

Last edited by Woody35; Jul 8, 2010 at 10:57 PM. Reason: Automerged Doublepost
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Old Jul 9, 2010 | 08:48 AM
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Ok thanx a lot
 
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Old Jul 9, 2010 | 11:03 PM
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Changing from a #5 to a #9 is a waste of time unless you have the pmd out and a #9 in your hands. I went from a 5to a 9 just because the pmd I had had one in it and I couldn't tell the difference.
 
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Old Jul 10, 2010 | 10:42 PM
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Ok thats what I was wonderin. so what is the cheapest chip i can get then?
 
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Old Jul 10, 2010 | 11:27 PM
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Originally Posted by jdcoop8791
Ok thats what I was wonderin. so what is the cheapest chip i can get then?
google engh motors or walking j designs they have the cheapest chips i think
 
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