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carb spacer |
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odd401
AMC Apprentice Joined: Jul/19/2014 Location: loveland Status: Offline Points: 158 |
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Posted: Oct/30/2014 at 5:33pm |
im putting a holley truck avenger on my 401,it has an edelbrock airgap intake,and wanting to use an edelbrock composite spacer,any thoughts on using the spacer,its a divided spacer,holley instructions say not to use spacers,edelbrock says ok to use it.took the 750 off,got the new 670 today,installing new holley fuel pump and regulator tonight,any suggestions?thanks
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Boris Badanov
AMC Addicted Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Personally I make my own spacers.
I prefer a 4 hole or a divided spacer especially on a dual plane or a divided manifold like an Offy 360 |
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Gremlin Dreams
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odd401
AMC Apprentice Joined: Jul/19/2014 Location: loveland Status: Offline Points: 158 |
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nice looking spacers,im at about 5000 feet,i had run a edelbrock 1/2" composite divided spacer to prevent fuel perculation before the rebuild with a thunder series avs .what does it do to jetting with more plenum?will i have to re jet?this is my first new holley,all the other ones were used and abused.thanks for the advice.
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Boris Badanov
AMC Addicted Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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If you have a carb boil problem you may be best
to pull the intake and weld up the heat stove cross over. I got used to doing that when I was stationed at AAFB Guam back in the 70's and never stopped, even on wintah cars. (intentional miss spellink). There should be no need to re-jet. If you use a big square opening on a dual plane manifold it may need a little richer jetting. But I doubt it. By the way, that is no illusion, I machiened the gaskets when I 5 axis ball profiled the manifold. Makes for a perfect match.
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Gremlin Dreams
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RAZER
AMC Apprentice Joined: Jun/14/2014 Location: AZ Status: Offline Points: 147 |
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If you have a carb boil problem you may be best
to pull the intake and weld up the heat stove cross over. Do you have a pic of one that you have done Boris??
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Boris Badanov
AMC Addicted Joined: Dec/14/2013 Location: NH USA Status: Offline Points: 4209 |
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Nope. I lost all my older stuff to a nasty divorce and a vindictive woman.
I prefer to machine out the hole for an aluminum plug and weld it in, then dust it on a milling machine. For an iron manifold i machine a rectangular hole with a seat about .1875 deep and make a iron or steel plug go match allowing the gasket to hold it in place. I did an Offy manifold with no weld in the same manner as the iron manifold. It worked so well that i was able to open up the heat stove and mill a slot on the throttle side to make sort of a poor man's air gap. Note, the spacers in the above photo are at 3.5 degrees to level the carbs as installed in the car. The studs are also rotated to 3.5 degrees as not to bind while the attaching screws are perpindicular to the plenum cover.
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Gremlin Dreams
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