Fuel pressure gauge hook up - Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum



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Go Back   Chevy TrailBlazer, TrailBlazer SS and GMC Envoy Forum > 2006 - 2009 TrailBlazer SS Tech > 06-09 SS Appearance > Interior

Interior Interior repairs/modifications

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  #1  
Old 03-09-2011, 09:25 PM
TrailblzSS TrailblzSS is offline
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2007 Chevy TrailBlazer SS (1SS)
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Fuel pressure gauge hook up

Hello, everyone I am planning on buying a-pillar gauge pod for my Trailblazer SS I already have a couple of Autometer Ultra-lite II gauges one is transmission temp and the other one is fuel pressure gauge I would like to use both of them. My question is where do I install the fuel pressure sending unit? Schrader valve? What size fitting do I need and where do I get one of them? The sending unit is 1/8 NPT Male. If someone can please help I appreciate it
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Old 03-09-2011, 10:02 PM
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racer383s racer383s is offline
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You'll need something to adapt the sending unit's 1/8" pipe threads to the schrader valve on the fuel rail....I'd check with Auto Meter
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Old 03-09-2011, 10:06 PM
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Probably easiest to find or make a "T" that will snap right into the quick-connect between the fuel rail and supply line from the filter on top of the engine and hook the gauge there. The other possibility is the Pressure test port at the Fuel filter at the front of the tank. This is a fitting with a schrader valve in it, I don't recommend this because of the location and it may be difficult to keep it leak-free on a fitting like that.
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Old 03-10-2011, 10:49 AM
TrailblzSS TrailblzSS is offline
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OK, I was searching ebay and found fuel rail adapter for LS2, LS3 I know it says that it's for corvette I wounder if it will fit Trailblazer SS? There is a schrader vavle on the passenger side fuel rail on my Trailblazer SS and this adapter would work great if it's the right size. I will e-mail the guy thats selling it and ask him the size of that adapter.

http://cgi.ebay.com/ebaymotors/CHEVY...fAccesso ries
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Old 03-10-2011, 01:43 PM
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That looks like it will work.... I believe that all of the schrader valves on the GM's are the same threads...
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Old 03-10-2011, 02:47 PM
TrailblzSS TrailblzSS is offline
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The guy just e-mailed me back and said it fits all of the LS Series engines. I think I am going to try it.
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Old 03-14-2011, 08:26 PM
TrailblzSS TrailblzSS is offline
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For those of you that wonder if that fuel rail adapter from eBay works. I received it and installed it today works great no leaks so far.
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Old 03-14-2011, 09:00 PM
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