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  1. A

    gear lube vs. tranny fluid

    I hear mixed emotions on which one to run in an 833, what are some pros and cons of both?? Thanks Aaron:burnout:
  3. A

    340 spark plugs

    What's the best way to determine what heat range plug I need?
  4. A

    length of custom pushrod

    So I'm measuring for pushrods, I have j heads milled .030 and .025 thick head gaskets, I am also running factory ductile iron adjustable rockers. I have 2-3 threads showing on the adjuster under the rocker (pushrod side) and I'm coming up with 7.125 long pushrods, does that sound anywhere near...
  5. A

    stock bottom end 5.9 mag HP potential

    I acquired a good running 5.9 I would like to know what kind of HP guys are getting out of these, street/strip use 4sp 4.10 duster. I would like to upgrade the heads cam, it will be carbed, headers, street manners not a big concern. Is 500 possible using the stock lowerend?
  6. A

    couple rocker questions

    First off, Happy thanksgiving everyone!! Ok, I aquired a set of factory ductile adjustable rockers. They are not banana grooved, is that ok? Also which way do the oil holes on the shafts face? Going on a 340 with .030 milled heads thin gaskets and an xe284 comp cam with comp lifters.
  8. A

    head questions

    I have a stock shortblock 71 340, reringed and bearings, comp xe284, home ported 1.88 J's milled .030 with MP thin gaskets. motor runs really well, I have a fresh set of magnum heads I accuired in a trade, they have 1.6 roller rockers and beehive springs on them . would I see much gain if I...
  9. A

    starting my 4spd swap tomorrow

    I have a couple question 1. What's the best oil to run in the trans? 2. Will my factory auto trans bell housing bolts work in the manual bell housing? 3. Many more questions to come I'm sure. Thanks for your input :burnout:
  10. A

    8 3/4 axle splines

    Quick question, does an 8 3/4 with a 741 center section have 30 spline axles? Thanks Aaron
  11. A

    [WANTED] wanted,, hurst shifter

    need complete hurst shifter set up for 72 duster A833,,levers rods box ect..
  12. A

    [WANTED] A-body A833 hurst shifter

    in search of a complete A-body hurst shifter setup, needs to be bolt on style hurst box, I need leavers rods ETC. :burnout:
  14. A

    little missfire help

    Here's what I got, my 340 has what feels like an ignition skip at low rpm cruise speed, just off idle cruising. Its a 72 factory electronic dizzy. Car runs hard!! Just feels like a miss cruising. My cam likes 24 initial timing. Is it possible its advanced enough and miss firing inside the cap...
  15. A

    72 duster pedals

    Hey guys, I'm getting ready to do a 4spd swap on my 72 duster. My question is, I have pedals from a 75 dart, will they work in my 72? Thanks for any info Aaron
  16. A

    340 timing questions

    I have my 340 build together and running, my questions are what is a good starting point for base and all in timing? My specs are.. steel crank 340, 9.8 c/r, ported J's, comp XE284H .507-.510 install at 106, air gap intake, 750dp Holley. Thanks for any input Aaron
  17. A

    Cat power products flywheel?

    anyone used one of the cat power products flywheels on a 340?
  18. A

    340 cam break in

    Getting ready to finish my 340 assembly. for breaking the cam in I was thinking about using the low ratio factory rockers, then after break in install the inner springs and my adjustable rockers. Is this a good idea??
  20. A

    factory 72 340 pistons???

    are these factory low CR 72 pistons? they have 70f stamped on them
  21. A

    340 build

    Ok here's what I have came up with for my 72 duster, will it work do I need to tweek it? Stock forged 72 short block std. stock piston Ported J's 1.88 1.60 valves 995 springs heads milled .020 MP thin headgaskets Comp XE284H 1.5 comp adjustable rockers Airgap intake 750 double pumper...
  22. A

    72 340 AAWJ head questions

    #1 are the stock valves a 1 groove lock stem? #2 what is a safe amoumt to have them surfaced .020-.030? stock 72 pistons. thanks for any info. Aaron
  23. A

    72 duster 4spd swap

    hey guys. I'm changing my 72 340 duster to a 4spd, is there anything special i need to do to the crankshaft? its a forged crank factory auto. im also looking for a good clutch and flywheel setup and hurst shifter linkage rods. thanks for any input.
  24. A

    best 340 intake?

    i have a free edelbrock performer it says 318/360 on the top. Is that a good intake? its for my 340 the price is right but I wont use it if its a POS
  26. A

    340 rockers

    anybody ever used these? http://www.ebay.com/itm/380342086940?ssPageName=STRK:MEWAX:IT&_trksid=p3984.m1423.l2649
  27. A

    340 whiplash vs. voodoo vs. thumper

    Hello im new to your forum. i have a basiclly stock forged crank 72 340. 9 to 1 CR, M1 intake 750dp, long tube headers, 4spd. which cam would you guys recommend? its going to have 410 gears as well, oh ya its a 72 duster, thanks Aaron
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