autometer fuel pressure question ????
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From: mesa,arizona
autometer fuel pressure question ???? i was looking online at autometers website and it says the fuel pressure gauge must be mounted outside of the car is that incase of a fire ?? where are you guys mounting your fuel pressure gauge ?? i do believe i seen people mounting them inside the car thanks in advance 
i got a tiny mounted right to the regulator. you need one of those small mirrors on a stick to see it. my a/f gauge let's me know if anything is whacked out fueling wise.
Last edited by C_Rules; Dec 15, 2008 at 03:52 PM.
Thread Starter
TECH Enthusiast
iTrader: (35)
Joined: Jun 2008
Posts: 729
Likes: 0
From: mesa,arizona
i wanted to add a autometer fuel pressure gauge in my pillar wanted to see the pros and cons of it before i did it ive also seen the ones attached to the regulator or fuel rail under the hood
Mechanical fuel pressure gauges come in two flavors: The type that have a hose or tube that runs straight to the gauge. These must be on the outside. You don't want raw fuel inside your cockpit, do you?
The second type has an isolator on it. The fuel stays on the outside, and you can mount the gauge itself on the inside of the car.
Or you could go electronic and bypass all that stuff, the sending unit mounts to the fuel rail and wires go to the gauge inside the car.
I run the Autometer digital unit, myself.
The second type has an isolator on it. The fuel stays on the outside, and you can mount the gauge itself on the inside of the car.
Or you could go electronic and bypass all that stuff, the sending unit mounts to the fuel rail and wires go to the gauge inside the car.
I run the Autometer digital unit, myself.
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I don't know what size you are looking for, here is the 2 1/16ths one. This is the what you want though if you are going to mount the gauge in the car.
http://store.summitracing.com/partde...5&autoview=sku
2 5/8ths
http://store.summitracing.com/partde...5&autoview=sku
You also will want to order these two fittings to install the pressure sending unit.
EAR-998604ERL -4an male to 1/8" female 90 degree
EAR-915104ERL -4an female to -4an female
Good luck, hope this helps.
OK when you get the gauge I don't think this next picture applies to you. I think the sending unit does it all now, I think Autometer redesigned it and I have a old unit.
http://store.summitracing.com/partde...5&autoview=sku
2 5/8ths
http://store.summitracing.com/partde...5&autoview=sku
You also will want to order these two fittings to install the pressure sending unit.
EAR-998604ERL -4an male to 1/8" female 90 degree
EAR-915104ERL -4an female to -4an female
Good luck, hope this helps.
OK when you get the gauge I don't think this next picture applies to you. I think the sending unit does it all now, I think Autometer redesigned it and I have a old unit.
Last edited by camar0corey; Dec 16, 2008 at 10:16 AM.
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Verdad Gallardo If you want to reduce the number of fittings, I think this one replaces the two suggested above:
http://store.summitracing.com/partde...2D3279&FROM=MG
You will want to double check, but I believe I am correct. Pricier, but looks better than the stack I currently have on my car.
http://store.summitracing.com/partde...2D3279&FROM=MG
You will want to double check, but I believe I am correct. Pricier, but looks better than the stack I currently have on my car.
When I did mine, I purchased a T-fitting for the Schraeder valve. The only thing going up toward the cowl is the new Schraeder valve fitting for checking the fuel pressure under the hood. The other part of the T-fitting (now going horizontal) is the part connected to the adapter, which is then connected to the sending unit.
[Schraeder Valve]
| T |
| f |____________________
| i Adapter--->Sending Unit
| t _____________________
| t |
| i |
| n |
| g |____________________
Rear of Fuel Rail
I hope this makes sense, I was never very good at drawing these things.
[Schraeder Valve]
| T |
| f |____________________
| i Adapter--->Sending Unit
| t _____________________
| t |
| i |
| n |
| g |____________________
Rear of Fuel Rail
I hope this makes sense, I was never very good at drawing these things.
Finally got some pics These are a little out of focus; it was cold, the engine was hot, and I was in a hurry. But here goes:
First, I got a npt t-fitting, 1 female, 2 male. I screwed the female part down to the Schrader valve on the fuel rail. The opposite male end has a cap on it and can be used with my portable fuel pressure gauge to get an under the hood reading. The horizontal male end is connected to my Autometer sending unit. I had to get a gender bender and then a npt-to-An adapter. Since then, I found a couple of one piece adapters which reduce part count by one.
Hope this helps.
First, I got a npt t-fitting, 1 female, 2 male. I screwed the female part down to the Schrader valve on the fuel rail. The opposite male end has a cap on it and can be used with my portable fuel pressure gauge to get an under the hood reading. The horizontal male end is connected to my Autometer sending unit. I had to get a gender bender and then a npt-to-An adapter. Since then, I found a couple of one piece adapters which reduce part count by one.
Hope this helps.
Last edited by koolaid_kid; Aug 20, 2009 at 01:17 AM.
I finally found the adapter I used It is carried by Summit and Speed Inc. On Summit, query 102071. They show it as a Casper Electronics Fuel Line Tap Schrader Tee Fittings. It also has detailed installation pics (attached). In Summit, they want $15.75. Speed Inc. carries the same part for 9.99 (part number IZM10271-1) in the Fuel section, but they do not have any instructions or any further info.
Last edited by koolaid_kid; Aug 20, 2009 at 01:17 AM.
