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#1443585 Sun Mar 06 2022 02:28 AM
Joined: Jan 2022
Posts: 22
G
'Bolter
Hello everyone,
I'm currently finishing a rebuild and we are adding an Edelbrock 4 barrel onto a Clifford intake manifold. I noticed the neck of the intake manifold has a higher end on the driverside, and a lower at the front end. I placed the carb and adapter plate on just to get a visual and seen the carb is at a tilt. Anyone seen this before? Any running issues I should be worried about?

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Last edited by Grandpas_48; Sun Mar 06 2022 06:18 AM.

Grandpas_48
#1443594 Sun Mar 06 2022 06:22 AM
Joined: Jan 2022
Posts: 22
G
'Bolter
Hello everyone,
I'm currently finishing a rebuild and we are adding an Edelbrock 4 barrel onto a Clifford intake manifold. I noticed the neck of the intake manifold has a higher end on the driverside, and a lower at the front end. I placed the carb and adapter plate on just to get a visual and seen the carb is at a tilt. Anyone seen this before? Any running issues I should be worried about?

Attached Images
20220305_125942~2.jpg (204.81 KB, 265 downloads)

Grandpas_48
Joined: Apr 2005
Posts: 3,054
C
'Bolter
The engine will sit down in the rear when mounted in the chassis so carb will be near level. Not to worry anyway as cars/trucks seemed to work okay in San Francisco where they were just about never on the level and run quite well in the movie "Bullet" chase scene. The smallest Edelbrock carb is a 500cfm which is way larger than a 235 needs and you have no heat to the carb which is a pain in cold weather and at the gas pump. Holley makes a 385cfm 4bbl and Ford has a hot water heated car base plate with that bolt pattern. My word is not from the alter and some have 4bbl 235's that run good so just try and learn along the way. Good luck.


Evan
Joined: Dec 2008
Posts: 1,707
P
'Bolter
Anticipates the engine in installed position, tilted down in back.
What carb?

Joined: Jan 2014
Posts: 2,171
J
'Bolter
My guess:

Engine sits in the vehicle front higher than rear. So the carb will be level once mounted.

What cfm carb is that?

Joined: Feb 2004
Posts: 24,733
H
Kettle Custodian (pot stirrer)
Buy a good fire extinguisher. The lean backfires are going to be epic. Engine tilt will make the carb sit level, but you're going to have approximately three times the CFM capabilities the engine needs. You'll have lots of air, and virtually no gas due to low air velocity through the venturis.
Jerry


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Joined: Dec 2017
Posts: 1,142
D
'Bolter
Jack Clifford developed that intake decades ago. The originals did not have provision for water heat to the bottom of the intake. The new versions have had that provision for quite a few years now.

https://cliffordperformance.net/store/ols/products/42-4500wh-chevy-235-intake-manifold

Yours looks to be one of Jack’s original design i takes with out the water heat.

You will have to do a little bit of tuning to get that carb dialed in, same for using the small 390 Holley, but once dialed in, that set up runs pretty good.

The bottom of the intake has a little open chamber. You can weld a plate with fittings to make a water chamber. Then run hot water from the thermostat housing, Stovebolt Engine Company sells a lower housing with a water outlet on the driver side, or dig up a 270 or 302 gmc lower housing. They will have either a boss that can be drilled, or the boss already drilled and tapped. The hot water helps keep heat on the bottom of the intake to assist in vaporizing the fuel.

Last edited by Dragsix; Sun Mar 06 2022 05:14 PM.

Mike
Joined: Dec 2017
Posts: 1,142
D
'Bolter
Jack Clifford developed that intake decades ago. The originals did not have provision for water heat to the bottom of the intake. The new versions have had that provision for quite a few years now.

https://cliffordperformance.net/store/ols/products/42-4500wh-chevy-235-intake-manifold

Yours looks to be one of Jack’s original design i takes with out the water heat.

You will have to do a little bit of tuning to get that carb dialed in, same for using the small 390 Holley, but once dialed in, that set up runs pretty good.

The bottom of the intake has a little open chamber. You can weld a plate with fittings to make a water chamber. Then run hot water from the thermostat housing, Stovebolt Engine Company sells a lower housing with a water outlet on the driver side, or dig up a 270 or 302 gmc lower housing. They will have either a boss that can be drilled, or the boss already drilled and tapped. The hot water helps keep heat on the bottom of the intake to assist in vaporizing the fuel.


Mike
Joined: Jan 2022
Posts: 22
G
'Bolter
Thank you for the info and help, very much appreciated.


Grandpas_48
Joined: Jan 2022
Posts: 22
G
'Bolter
What I have now is a 1406 600 CFM. If I have to downgrade I definitely will. We will see how this plays out... [quote=JW51]My guess:

Engine sits in the vehicle front higher than rear. So the carb will be level once mounted.

What cfm


Grandpas_48
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