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I've been tinkering with my 66 390 and I wanted to verify the carb was the right model for the 390 cause it has some stumble/hesitation at certain part throttle positions.
I noticed the spacer is cracked and only 1 gasket was there.
the spacer is where the trans gets its vacuum.
Can I ditch the spacer and hook the line up elsewhere?
There is a vacuum tree with rubber plugs on it.
Can I use that instead with the newer 1/4" cardboard? spacer?
The carb has V.J. C834A scratched onto it but its more like AUTOLINE C852A for 70-71 Fords.
Yes you can feed the trans from the manifold tree. You do need the right carb spacer though. You want to make sure it's a actual 2bbl spacer and not open like the one you have. The air balance is terrible when you dump from both barrels into a open void on a dual plane manifold. It works on a single plane just fine at high rpms.
Yes you can feed the trans from the manifold tree. You do need the right carb spacer though. You want to make sure it's a actual 2bbl spacer and not open like the one you have. The air balance is terrible when you dump from both barrels into a open void on a dual plane manifold. It works on a single plane just fine at high rpms.
thanks!
the last image shows the spacer I'll use. I got a new carb base to spacer gasket coming.
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Vacuum Modulator Line connection?
