Clifford's big bucks.

TinyValiant74 said

I'm curious if anyone knows how Cliffords replacement intake manifold works. It says it has a "water heated Passage" I guessing that it's purpose is to replace the exhaust manifolds heater box, so that you can use their headers. But my real question is, does the stock manifold have any kind of inlet for coolant or do you have to drill a hole in your block to let the coolant into the clifford manifold?

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The Clifford manifold has a water jacket in it that you plumb into a heater hose.

For anything less than a full-on race car or really hot street car, I would use an Offy intake and a 390 Holley. The Clifford gives up a lot of low end torque to the Offy.

The Hyper Pak is an impressive looking manifold, but it is a real beeotch to tune for street use. If you use one be prepared for performance that really changes with the weather.

Be very aware that Clifford does not stock many parts for the Slant. What they do is sell parts until they have enough for a run and then they get them made. Your credit card will be charged at the time of your order, you will be promised that they will ship next day, and you may not get them for 6 months.

Keep your eyes on E-bag and the classified section on the Mopar boards. Clifford and Offy intakes turn up all the time. I have never paid more than $150 for a Clifford, or $100 for an Offy. You just have to be patient.