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Old 11-22-2011, 06:57 PM
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As some of the lads point out the angle is deliberate in some performance/drag racing applications to have the effect of leveling the carbs under acceleration. I have seen dual quad originals with no spacer on the front and wedge spacer on the rear tilting it forward rather than leveling it.
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Old 06-22-2012, 09:40 AM
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After installing my motor and transmission it appears I ended up with about 3 degrees of carb tilt (carbs tilt towards front). The wedge spacers I'm finding are made with 5 and 8 deg correction - which is just going to leave me in the same position or worse, except leaning in the opposite direction.

Just for grins I went over and put my angle finder on the air cleaner of my 67 Plymouth GTX - wouldn't you know it - dead flat.

Anyone see 3 degrees posing any problem with getting Holleys set up to run OK on the street? I'm thinking not and that a forward lean is a better compromise than a rearward lean.

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Old 06-22-2012, 11:18 AM
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That doesn't sound right... but I don't own an angle gauge. Here's a shot of mine, though. You can see the air cleaner and compare it with the valve covers and compare all of that with the fenders.


Last edited by patrickt; 10-26-2016 at 01:58 PM..
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Old 06-22-2012, 11:27 AM
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Stay as you are Dan and don't over worry it.
Zero problems:
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Old 06-22-2012, 11:28 AM
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Perfect shot. Dang, Chas... you're more help now than you've ever been.
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Old 06-22-2012, 11:38 AM
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Thanks - pretty much my conclusion. Looking at Patrick's picture that carb is really up a lot higher than mine are on this old 427 low riser manifold - but I'm using a smooth hood. The expansion tank on mine sits higher than the carbs. I'm a little concerned about the tank but when I measure it according to Bob's illustration in the manual I'm just under his measurement a little (assuming his measurement doesn't include a cap on top). I bought the tank off of an ERA owner so I guess I'll find out when I put the hood on.
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Old 06-22-2012, 11:41 AM
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The front, right side of my expansion tank just barely rubs against my hood when it is down. There is no room to spare.
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Old 06-22-2012, 11:55 AM
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Quote:
Originally Posted by DanEC View Post
I'm a little concerned about the tank but when I measure it according to Bob's illustration in the manual I'm just under his measurement a little (assuming his measurement doesn't include a cap on top).
Just don't get a cap with a pressure relief lever on top. They're too tall.
Get the old style like this:
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