PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

3 Bar Map

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May 6, 2011 | 06:07 AM

#1

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3 Bar Map

I am going FI and was told I need the GM 3 Bar map! I looked up the part number on LS1tech but when I got the part it looks diff then the one I have now.

I want to mount it in the same location as my other one but can not figure out how to do it!

Any photos or directions?

THANKS

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May 6, 2011 | 07:34 AM

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Try the post in the FI forum?? Probably get more hits....

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May 6, 2011 | 07:56 AM

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The three bar isn't a direct replacement and will need to be relocated. I have a vacuum manifold and that's where mine will be going when I switch to it over the 2 bar.

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May 6, 2011 | 08:02 AM

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^this. No one makes a direct replacement. Just run a vac line to it and mount it somewhere safe.

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May 6, 2011 | 08:05 AM

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actually the duramax 3.3 bar map is a direct replacement

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May 6, 2011 | 08:31 AM

#6

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3.3 bar? Does that work with HPT's 3bar OS? I know you can't run 2.5bar maps on fbody OS's for example...

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May 6, 2011 | 02:50 PM

#7

2002_Z28_Six_Speed

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I dunno.

I went for this one because it fits directly into a LS3 manifold.

http://www.hptuners.com/forum/showthread.php?t=24613

I don't think the connector will fit a LS1/LS2 harness. You might need a pigtail.

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25, 33, bar, gm, hptuners, ls1, map, os, tuning

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