Recent content by duster 344

  1. duster 344

    Cylinder head discussion 340 with stock above deck pistons

    Maybe the axle ratio would have to change. I’m working on a very similar build. If you pm me we can compare notes. I think my theory works on paper but hasn’t been proven yet
  2. duster 344

    Cylinder head discussion 340 with stock above deck pistons

    As far as the original question with out going to far off track. Aluminum heads are definitely better. Lighter and usually flow better with probably a little more compression. As far as everything else I couldn’t say. One thing I do know is that the cam your running isn’t fully utilizing
  3. duster 344

    [FOR SALE] 340 pistons

    I have a set of 40 over pistons for a 340. New in the box got them for my engine and have to go sixty over to clean up the cylinders. So need to order different pistons. These are kb 243.40 hyper pistons with a plus six flat top and valve reliefs. Includes new mahle rings. 400 plus shipping.
  4. duster 344

    Installing headers -- While engine pulled or after re-installed?

    The easiest I think is to pull the drive shaft, shifter, clutch linkage and cross member. Pull the engine and tranny together. If you’re working by yourself it would be harder to get everything lined back up for the engine and transmission to go back together. Especially working on the ground...
  5. duster 344

    Particular situation on a new rebuilt block need help!

    Ive got a 69 340. I just pulled everything off a newer 318 timing chain cover damper pulleys and the newer water pump everything works fine. Power steering alternator timing marks
  6. duster 344

    how many here from MN

    I’m from ottertail, my fiancé is from montley close to brainerd. So we go up there a few times a year, went to mopars in the park last year. Hoping to have the duster running this spring. Building a 340 4 speed, picked up a 742 and a set of 391s
  7. duster 344

    Free Summit 10% Discount Coupon

    Thank you John for the discounts your a good man, I’ll be getting the last parts to get my duster back together
  8. duster 344

    Black Friday sales. Who’s buying what.

    I was hoping summit or Jeggs would do some deals. I need a windshield, carpet, wheels, and some bearings and gaskets. Was hoping to bundle and save with a Black Friday percent off deal
  9. duster 344

    LD340 before and after porting numbers.

    So the question I have is. The intake is capable of say 240 at .500 then the heads don’t need to be porting to much past that. Or if the heads are only capable of 240 will the intake cut the flow down regardless. Do you think you need a head flow of 260 something to make the intake flow a 240...
  10. duster 344

    Morning routine

    My girl friend sent this to me this morning and I thought “I should probably head to work it’s getting late”
  11. duster 344

    Mike Salinas goes 300mph in the 1/8th

    I was there when he set the record in brainerd this year. That was awesome to see. During the day, not to many sixties that day
  12. duster 344

    Speedmaster, Edelbrock, ProMax head question for you guys

    I’ve always heard people say build the engine around the heads. In this case building the engine around the valves, is a possibility. A lot of people don’t have a chance to see a comparison like that. To test different valves to suit your needs. Both set of flow numbers would be appealing to...
  13. duster 344

    TF3 shift kit governor issue

    You have to put the governor in a lathe and machine it down. I remember that, did one twenty years ago. Right under the valve you circled shows how to modify it. If your machine shop won’t do it. Find a gun smith they can take that down pretty easily
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