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I want to install a air / fuel gauge and was wondering what is a good sorce for a fitting that came out of the manifold and had 2 ends so I can run one to the valve cover breaterand one for a gauge.
I want to install a air / fuel gauge and was wondering what is a good sorce for a fitting that came out of the manifold and had 2 ends so I can run one to the valve cover breaterand one for a gauge.
Thanks,
Jon
I'm not sure what you have currently, but the "tree" fitting from the 84 F150 ought to work and give you ports to spare.
Maybe you could post up your current setup so we can help you better.
How would you tie in an air/fuel gauge there? Doesn't that go into the exhaust?
This picture is for showing the heated spacer underneath the intake, but you can see the vacuum tree that's bolted to it. I think those were stock and you could probably find one in a junk yard somewhere.
I thought an air fuel gauge was plumbed into the intake. Now that I think of it, I see why it would be the exhaust. Hmm, what do you do then? Tap in a bung like an O2 sensor? Where is the optimum placement? Thanks.
Yeah, it's pretty much an O2 sensor for either a narrowband or wideband AFR gauge.
The cost is pretty inexpensive. You can get the bung off Ebay for probably $5 and it may cost $10 - $20 to have an exhaust shop cut and weld it onto the exhaust pipe, unless you can do that work yourself.
Since you're just tuning with it, and the computer isn't needing it for precise calculations, a foot or two from the manifold is good enough.