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Diesel Outlaw
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589 Posts
Discussion Starter #1
ok my buddy has 100hp injectors, m5 fuel pin, gov spring, and a little tuning i havnt drove it yet but he said compared to his buddys truck it doesnt feel like it has that much power. what can i do as far as tuning to get this thing dialed in?
 

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Senior Member
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444 Posts
Do a fuel pressure test.

What you have listed could be more than a stock high milage lift pump can handle.
 

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Senior Member
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444 Posts
You need to get a taped banjo bolt. Pull the banjo bolt on the oulet side of the fuel filter. Install the taped banjo bolt and then install a gage.

On a stock lift pump you should see 5 to 7 PSI at idle. If your showing any less than 5 PSI. Throw a new fuel filter on it and see what it does.

Do a test drive and see what the PSI is at WOT.

Postback and let us know what it reads.
 

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Diesel Outlaw
Joined
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589 Posts
Discussion Starter #5
ok ill see when he can get it done i work a lot and dont even have enough time for my truck so ill let him know what to do and get back to you thanks for everything
 
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