My 1997 GMC 1500 Z71 4x4

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Justjoshiny

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Issues spooling?

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In this video no. Just started at low rpm in 5th gear and laid into it. You can see that it clears up nicely. I do in general have issues spooling my big turbo as my injectors don't flow enough fuel and my pump is governed at like 3150 rpm. So I just run out of rpms as I'm getting good boost. I think the most I've hit so far is 38 psi. The small turbo is wastegateing at about 30 psi.
 

Sampuppy1

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Water methanol. Easier than a turbo change. Injectors probably will help but yeah starting in that high of a gear will get the coal plant fired up for sure.

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Justjoshiny

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Water methanol. Easier than a turbo change. Injectors probably will help but yeah starting in that high of a gear will get the coal plant fired up for sure.

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As far as I know they are the stock 360,000 mile injectors... So I want to replace them sooner rather than later. Before we had everything done I had an intermittent skip in cylinder #1 so idk how they are. But Im also working on finding an AFC so it controls fuel based on boost, so I can floor it and not give it 100% fuel until there is the boost to support it.
 

Sampuppy1

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Yeah those injectors should probably be swapped out lol

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Justjoshiny

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Ordered new 250 horse injectors today. Theyre a little big for my turbos but Id rather have the ability to upgrade turbos in the future and not have to redo injectors.
 
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