Boost gauge install question - Ford Mustang Forums : Corral.net Mustang Forum
 
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post #1 of 4 Old 01-18-2003, 09:57 PM Thread Starter
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Boost gauge install question

Well, this is probably a stupid question. I have looked at the Autometer site, this site's tech section, and did a couple of searches of the fourms, all to no avail, so here goes.

Were do I source the boost for my boost gauge install. It seems to me that I want to tap the pipe before the throttle blade. However, my intake (Edelbrock Performer) has a spare port on the front drivers side. The is a plug in that location now. The gauge instructions are not real specific. Help please.


Mike Smith
1990 LX Coupe 5.0 5 speed w/ 2000 Exploder GT-40 engine, P heads, mystery cam (F cam per previous owner) 3.73, and not much else. In the parts pile - UPR tubular K member, CC plates. Future plans - Megasquirt & On3 turbo system.
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post #2 of 4 Old 01-18-2003, 10:32 PM
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You will want to connect the source downstream of the throttle body, most people use a port off of the vacuum tree, this way you are registering the amount of boost that the motor is seeing. If it is in the tube, it will read higher and could possibly damage the guage when closing the throttle shut because momentarily the boost pressure in the tube would be extremely high before the blow off valve opens. Also , if your guage reads vacuum, it would be very innacurate at the tube for a vacuum reading.
Mike

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post #3 of 4 Old 01-18-2003, 10:35 PM Thread Starter
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And again, Thank You.
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post #4 of 4 Old 01-18-2003, 11:19 PM
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I have the RPM manifold which is basically the same as the one you have. I hooked it into the port, on the back of the intake that is just after the tb. There is one on the front of the intake that is in the exact same spot but, I have my charcoal canister hooked to that. Hope this helps! (Whoops, just saw that you have a 94)

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Last edited by blackholehunter; 01-18-2003 at 11:21 PM.
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