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  • Users: j.d.duggan
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  1. j.d.duggan

    [FOR SALE] 340 steel crank balancer

    have a good 340 balancer left over from project,checked by machine shop,never moved off zero.$60.00 plus the ride,Thanks
  2. j.d.duggan

    [FOR SALE] 340 flywheel

    I have a neutrally balanced 340 flywheel left over from project,needs to be surfaced,out 5 grams,$50.00 plus ride.
  3. j.d.duggan

    [WANTED] 340 cast crank only balancer

    I need a good 340 cast crank only balancer for a realistic price,there was one posted by moparofficial,but his inbox is full and I don't know how to contact him.any help would be appreciated.
  4. j.d.duggan

    [WANTED] 833 bellhousing inspection cover

    need a cover for my 340-833,at good price.74066
  5. j.d.duggan

    [SOLD] 340,4 speed scamp (1971) $19,500

    .60 over 340 with trw pistons,new 360 j heads with 1.88 valves,new lifters,8 qt. oil pan,new timing chain cover,water pump.motor has about 500 miles on it.new flywheel,p.p.,clutch,shifter boot and firewall clutch rod boot.V.R. starter relay,motor mounts,all new.this car has the 8.75 rearend...
  6. j.d.duggan

    [WANTED] 340 cast crank only balancer

    still need a 340 harmonic balancer that says(for use on 340 cast crank only)needs to be in good condition,for a fair price.THANKS
  7. j.d.duggan

    [WANTED] 340 cast crank balancer

    need 340 cast crank only balancer in good shape for good price.
  8. j.d.duggan

    [WANTED] 340 cast ckank only balancer

    I,m looking for a harmonic balancer that says for use on 340 cast crank only,please contact me if you have one for sale at a real price.thanks:lol:
  9. j.d.duggan

    [FOR SALE] 71 plymouth scamp 340,4 speed

    fresh 340..60 over,new 360 j heads,188 valves,msd box,holley 650 double pumper,new water pump,long tube headers with 3 " all the way out.833 4 speed,8 3/4 sure grip,323 gears.new cluth,pp,flywheel.front disc,rear drum.stops really well.nice interior,perfect glass all around.pistol grip hurst...
  10. j.d.duggan

    dist. mechanical advance ajustment?

    pretty much stock 340,bought new spectra premium dist.trying to get some fuel mileage out of this thing and think vac. advance will help.I have msd box,if it maters.my engine likes to start and idle at 10* btdc.The dist. I have is a ch04,spectra #.the problem is,it has 30* of mechanical advance...
  11. j.d.duggan

    starter check?

    how to test the starter on the car?jumper cables,neg to starter body, ground. pos to bottom stud?Its on a 340,4 speed,no safty neutral switch.can hear a small click when turning key to start position.starter was working fine,yesterday sounded a little off,today no turning over.just thought ther...
  12. j.d.duggan

    using piston stop

    I have never used one.found enough on some threads to build one.need to know how use it safely.any chance of piston damage? is it easy to tell that your at stop?
  13. j.d.duggan

    bouncing volt and ammeter

    my car has the factory ampmeter and a under dash volt meter.when you start it it shows about 14 volts,then slowly goes up to about 15,then it starts bouncing from 12 to 16 at idle.when rpms increased to1200 or so it usually stops the bounce. Evens out to about 14.4.thought the vr was bad so...
  14. j.d.duggan

    need tuning help on 340

    what I have is a 1971 340 with stock cam,360 j 188-160 heads,stealth intake,650 DP holley carb,long tube headers with 3" all the way out the back.MSD box,electronic ign. dist.with what I think is a regular coil.4 speed car.this is a street car(not intended for track use)323's in a 8 3/4 sure...
  15. j.d.duggan

    vivivivivibration

    did the break-in on my 340 a couple days ago.things went fairly well.had a couple of friends over to help me out.one started the car and kept it around 2k while I set the timing to 34*.It smoked something terrible out the left bank.don't know if it was oil in the exhaust system, or the rings in...
  16. j.d.duggan

    pre-oiling

    can I do this by myself? From what I,ve read I spin the pump and turn the motor over slowly.But I thought I read something about spinning the pump at tdc,then turning 90* spinning again,then anouther 90* spinning,and so on and so on till you had turned the engine over 2 full turns.Is this...
  17. j.d.duggan

    oilpan capacity

    not totally sure what brand this is.I need to figure out if it is a 7qt. or 8qt.surely it's one of the two.then I can fill to capacity and mark my dip stick.the way it is currently it looks like the full mark would be way down in the pan.a little help please.
  18. j.d.duggan

    intake alignment?

    I have a weind stealth intake that cam off a motor that had been squared and decked,pistons came out of holes .020 and the heads had been worked,ported, polished,and milled(not sure how much)I,m trying to figure out if maybe they cut the intake down to match that work.when I put it on my engine...
  19. j.d.duggan

    pre oil lifters?

    I,ve allways put my hyd. lifters in a oil bath for a day or two and let them soak,get the air out of them,on small block chevy's.is this what you guy's do on a mopar?I read something on here about not doing it,something to do with the stationary rockers?please help.thanks
  20. j.d.duggan

    intake gasket ?

    does someone make a intake gasket that hides those uuuugly horseshoe holes in the center of the head?don't really get why there left open on both heads,I was told they had to do with the heat riser on a stock intake.but they look like crap and I,d like to cover them up if possible.thanks:mad:
  21. j.d.duggan

    head gasket thickness-compressed

    all right out there.I have been trying to find some real numbers on the felpro 8553pt head gasket compressed.I've found numbers from .039 to .054 and trying to calculate cr is going to be a little tricky with this gap.I thought you guys might have some real numbers from experience.thanks
  22. j.d.duggan

    camshaft for mild 340

    what cam could I run for a mild street build?don't want to worry about valve clearance,or pushrod lengths.just a little more power and maby a little lope.340,.060 over,915 j 1.88 heads.any thoughts?:lol:
  23. j.d.duggan

    pilot bushing help

    any tricks to installing a pilot bushing? I tried frezzing the bushing and putting it in that way,it went about half way and then shattered like glass.the crank did not have a bushind in it and I'm not sure if its the right size hole.any help on the matter would be greatly appreciated...
  24. j.d.duggan

    why are there 47 diff. length push rods

    I'm woundering why there are so many different push rods for small block mopars.does every different head,i.e.915,587,302, 308,x,j,use a different length pushrod?inlighten me please.:mob: I'm the one on the fare left,dazzed and confused.
  25. j.d.duggan

    head line up pins-dows

    I find myself in need of the pins that go to the block-heads.I think I can make some but I was wondering what you guy's have used?my thought was a grade 8 bolt cut down to proper length.have any thoughts???:poke:
  26. j.d.duggan

    302 heads

    looking for heads for my 340.I just read a mopar performance page that said on a mild to moderate build that the 302 casting heads would outperform the large valve j or x heads.I wounderd what you guys thoughts were on this.I,ve been consintrating on 2.02 vaulves j or x heads that are way more...
  27. j.d.duggan

    water pump clearance issue

    put on new timing chain cover(measured the same thickness as old cover)the same bolts were used as came out.the second hole up from bottom on passenger side in cover hits when you try to put the water pump on.it is also a new water pump.I believe I can grind the bolt head down at a angle and get...
  28. j.d.duggan

    oilpan install help

    have a 4 piece oilpan gasket set that came in master kit.lookes like I should cut cork runners on pan rail down to the bolt hole to clear the front and rear pan seal that goes around the pan and cut the rear main seal tabs off flush with the rear main cap to get everything to fit right.am I...
  29. j.d.duggan

    [SOLD] ajustable rocker arm assembly and 7.411 cup and ball pushrods

    came off a 340,seem to be in good condition,have 15 renegade 7.411 cup and ball pushrods.$160.00 for all,will ship on your dime.
  30. j.d.duggan

    [FOR SALE] 340 crank and lightend rods

    have 340 crank,needs to go to .040 on rods ,set of rods and pins.$200.00 will ship on your dime.
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