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Its hard to tell on the dyno how it will act on the street but yes it idles very rough. but it's a 4 speed and I use to drive that 340 with that cam a lot on the street, just keep it reved up. You've just gota get use to and drive it like your mad at it. :burnout:

It was a used cam that I had out of a 340 that made 430hp. I thought it was an older mopar performance cam and the lobes are .571... These are specs I found from a forum for a mopar performance oval track cam 40418 Cam Style Mechanical flat tappet Basic Operating RPM Range 4,200-7,500...

The motor ended up making 479hp @ 5800 and 489tq @ 4600. It was on 91 octane, with a 1" open carb spacer. With a 2" spacer it made 493TQ but lost 4hp. I accidentally put the wrong timing cover on, so I had to guess and make a timing pointer. It made its best power at 38 degrees but had some...

I'm off to the dyno for the day, I built a 68 340 to a 416, ported O heads with 2.02 1.6s. Flat tops, not sure on the compression but guessing around 11:1, .571 lift old Mopar oval track cam, ported Mopar single plane intake. The stock heads are the down fall for power but I'm guessing around...

I put one in mine, But I put it in a vice and heated it up, bent it straight back, I kept trial fitting until it was where I wanted it. Just barely touches the bench seat when in forth. :burnout:

The scoop is missing a piece, the scoops were only originally found on Demons and Dart Sports.

I put more pics up under mopar gen discussion

Put my scoop on today, thought u guys would like to see the spoiler and Ipainted the rear stripe on myself. My buddy also made wood grips for the B body pistol grip.

Alright, that makes sense, now how about the direct connection spoiler, did they make them for both style trunk lids?

How come i see some Dusters with center ribs, and some dont? What years did they do both?

Well, hmmm, i bid on a whole scoop lastnite, and fell asleep, and got outbid by two dollars, it went for 102.50

Its been to rock falls once, the motor makes 430hp and 410tq. with 3.23 gears and street radials it went 12.70

I have a duel snorkel scoop that came on 72 demons or dart sports. I am missing the bottom piece that fills in the bottom half of the scoops. I was wondering if any body had just the piece, or a whole one in bad shape? I am a body guy and can fix if broken.

My names Andy, from Chippewa Falls WI, my car is a 71 Duster 340 4speed. Hemi orange with side stripes and direct connection spoiler.