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I agree with stroker mike or use the Comp Cams XE268, it is a good all around cam with some lope.

I would say that it is too much at .27 unless you are running a big shot of NOS, in which case a larger gap is better. The mopar books say somewhere around .10 to .12 for top and second rings, I believe, if my memory is correct. I had around .24 and had too much blow-by. Can you get an oversize...

I did have 3.91 gears in it and it really went well, to the tune of 12.30@115 mph. But I got tired of the high rpms crusin on the highway so the 3.21's went in it. I called the Comp Cams tech line about what kind of cam to use with the stock manifolds and he said that the XE268 has enough...

Pulling the headers and then putting them back on is not an option, once they come out, they are staying out, the Mopar Performance headers fit like crap and were a real bear to get in the driver side. I guess I will put the manifolds on since I have them, and try it out. If it doesn't work out...

I arranged to have the weekend off so I just may go to the swap meet on the 14th. Last time I went, there wasn't a whole lot of Mopar goodies around. Mostly Chevy and Ford. O.K., here is my set-up: 340 bored .030 using stock cast 10.3:1 pistons , block decked .010 J heads with a mild port...

Now I am not sure if I want to do the swap back to the old HP exhaust manifolds. It is hard to turn back once you have experienced the power before. Maybe a set of TTI's will have to be in order and sell the HP manifolds to someone who is looking for stock appearance and performance.

I am going to instal the 68-70 340 high perf exhaust manifolds instead of the Mopar Performance headers that are currently on the car. The headers have been flattened out on the drivers side bottom 2 pipes as you all know can happen on the A body. But I am concerned about the HP loss when I do...

I am using the LD340 intake also and with 9.8:1 compression it makes it a bit lopey. Higher compression would smooth it out for sure. Driveability is great.

I have the XE268 cam in my 340 and it has a bit of a lope to it but not really bad like the Mopar purple shaft grinds. I would stay away from the Purple shaft stuff as they are not that good. Talk to Jim at Racer Brown before you do anything. He is Mopar through and through and he will give you...