notice the flange is different not as thick as the intake I have some ideas but welcome more input thanks Don

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'72 Duster /6 with turbo build up
'03 Ram 2500 4x4 w/HEMI 5sp 4:10 posi
My Twister Page

I had the same problem with my clifford headers. I used the thick gasket from Cox bros. and just bolted it together. The difference between the intake and header flange thickness is very clear. This is on a race car and I have not had any problems with leaks. I'm sure some machine work can be done to the intake to correct the problem.

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Hooker provided special spacers to make-up the difference.
Sounds like you will need to take some measurements and make some spacers.
These are best discribed as 1/2 washers, appx 1/8 thick. I usually tack weld them to the header flange so the don't get lost.
DD

thanks for your input dont remember that with my first set and thay were clifford but long time ago I was only 17 or so, hay doc thats what we had in mind we purchased half moon key ways measured thicksness I need this to work correctly and look good to! Dodgegirls 72 Blue sky Duster

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'72 Duster /6 with turbo build up
'03 Ram 2500 4x4 w/HEMI 5sp 4:10 posi
My Twister Page

Clifford uses a thicker flange, then the Hooker or MP headers

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Hello Charrlie is clifford the only one offering this?

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'72 Duster /6 with turbo build up
'03 Ram 2500 4x4 w/HEMI 5sp 4:10 posi
My Twister Page

As far as ready made headers, Clifford is the only one currently using the 1/2 thick flange. There are some suppliers offering the flanges alone in the correct thickness.
DD

Like Doc said. As far as I know Clifford is the only one with a 1/2 thick flange. If Harold ever gets the spitfires done, they will have a 1/2 flange. There are flanges available to build your own headers.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

I used the regular crescent shaped manifold washers on mine under the side of the factory crescent washers.

Don't you need to run Clifford intake with the Clifford headers?

The Mopar Performance headers I didn't install had some nuts welded to the flange. factory or not? I couldn't tell as I bought them used.

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'72 Duster 198 stock cam, 3:23's Hookers on jack stands for 8 years in the driveway
'79 Maxivan 360 Offy Qjet Comp RV cam/rusting in the driveway.
93 D350 160HP Cummins Auto Dually Clubcab needs a injector pump
2005 Golden Couch Buick

Yep when I pulled mine out of the box the nuts were welded on from the factory.

No, Clifford headers will work with any intake.

A Clifford intake will not work with all headers though. The rear tube on the MP/J&R headers will hit the rear runner.
Yes, MP have the 1/4" nuts tack welded into the proper locations.

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Official Cookie and Mater Tormentor.

does anyone know about Offenhauser Single Quad Intake Manifolds
flange on this intake what header will work with it

That was my idea. Tack welding nuts on the header flange. Mister Twister decided to use half moon key ways(sp?) instead of nuts. It DOES look better.

Any header for the vehicle, should work. If there is a flange thickmess difference, just do like Dodge Girl and Mr Twister did.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225

Where? oh if I only had some to go with my new P.B.2000*and we got a RARE box with factory bending specs 60,70,80 auto's to make pre-bent tail pipes,axle over,motor to muff and much more. /6 to 426 hemi cars and trucks single and duels,all other auto makers as well DON send us your project.

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'72 Duster /6 with turbo build up
'03 Ram 2500 4x4 w/HEMI 5sp 4:10 posi
My Twister Page