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My 318 2 barrel engine is supposed to be rebuilt, to stock specs. I have started gathering some speed parts, in hopes of gaining a little more performance out of it. If I do a compression test, how much PSI should I expect? I want to tear into the engine, and do a cam/lifter/valve spring...

Just went to the Pull-A-Part junk yard yesterday, and saw 3 sets of Magnum heads. They all had fairly high miles on them though, and would be in need of a rebuild before I'd go through the time and effort of installing them on the car.

It's a possible sleeper, alright!

I have a 1995 Jeep Grand Cherokee, with the 5.2 Magnum engine, and really like the power it has. I was wanting to stick to a stock type setup with the heads on the 1971 318, but the Magnum heads do have a lot of advantages.

I have a 1971 Valiant, with a stock 318 2brl engine, that was rebuilt by the previous owner. I would like to add some performance, via headers, cam, intake & carb, and want to get some better flowing heads. What heads can I add, that have a small enough combustion chamber to keep the comp...