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I made a thread about this a couple years ago but have added a couple things and still have same issue. Sorry for the lenght. I have a re-built 318 in my Duster. It's on the mild side. 340 cam, eddie intake, 4-barrel, a little bit of head work. 904 was also rebuilt but with stock converter...

I made a thread not too far back about heads for my 318. I keep gaining more interest even though I stated a head swap wouldn't be performed for several months. Seems like most here agree that the 302 casting from the late 80's early 90's 318 are the best way to go for a mild street 318. I...

I have a mildly built 318 in my '74 Duster. It currently has the stock 318 heads that were cleaned up with a 3-angle valve job. A friend of mine has a pair of 340 heads sitting on the shelf. I don't know what year they are or what car they came off of, but they came off a 340. What would the...

I have read that a bone-stock 318 from the 70's will run the 1/4 mile in the 17 second range. I may be taking my 318 Duster to the drag strip this weekened. However, my engine is not stock. my mods include: -Edelbrock performer intake with a tuned edelbrock 4-barrel -340 cam and lifters...

This is really starting to bug me. I have had my Duster back for nearly a month and the rebuilt 318 now has a little over 500 miles. I changed the oil last week. So tonight me and my buddy were out doing some cruising and we decided to do a couple burnouts. He has an old Mercury Comet 302. My...

Since I have had my car back we have been messing with the timing. It seems to get better everytime its advanced. right now its about 15 degrees. It runs great but I don't think it has reached its full potential. What does everyone think the timing should be set at. Here are my mods: 1974...

I am curious as to how much horses my rebuilt 318 should make. It's the original 1974 318 in my Duster. Here is what has been done: -Bored .30 0ver -New pistons -Original heads have been ported for a little more flow -340 valve springs -340 spec cam -double roller timing chain...

Which intake manifold is better for a small block Mopar. Mine is a 1974 318. A couple people have recomended the Edlebrock Performer. But what about a Holley Street Dominator? Which would be better. Just wanted to get second opinions. Thanks

Hello - I am new here. My car (Which is my first one) is a 1974 Plymouth Duster with the original 318 and torque flight auto. It was pretty stock when I bought it back in May. But now for the winter the 318 will be re-built. over the summer duel exhaust were added, and the replacement of the...