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  1. 3406pk

    Blown Head Gasket

    Had an unpleasant surprise a week ago. Checked the Duster 408 over to prep for drag races coming up. Checked the oil and it was way over full. Then checked radiator and it was below cores. OH OH, knew I had a problem. I had run it at drag races 2 weeks before and ran fine; just unloaded...
  2. 3406pk

    LA Oil Pan on Magnum

    I have 5.9L Magnum engine in my Duster that has LA oil pan. When I rebuilt the engine, I used the one piece OS34409R gasket with the end pan seals attached. It developed oil leak at front of pan. When I took pan off, I found source of leak. I never noticed the gap at corner during assembly...
  3. 3406pk

    Reseal & gasket on 5.9L pan

    The oil pan gasket seal is seeping on the 5.9L engine in my Duster. It has spool mounts. It is stock LA pan and there is a windage tray inside also. If I drop tie rod links, can I get engine high enough to remove pan. Hate to pull engine just for that. Front seal is not leaking; so hope to...
  4. 3406pk

    Cam degree close. Enough?

    Installing Hughes 3842AL 110 cam in 5.9L stroker. Using a ProGear camdex timing set with 3 keyways 0* , 2* adv , 2* ret . The lsa is 110 and recommended centerline is 106. After doing the cam degree test w 0* key, center was 104. Then 2* advance yielded center 103. So then did with 2* retard...
  5. 3406pk

    Head Gasket question on 340

    Ready to put heads on my 72 340 engine, and had question about gasket and fit to this engine. The Victor gasket set is for 72 340 and head gasket is CA-1432-G. Anyway the picture shows my question that the large water port on front of engine is blocked by gasket and open at rear. But the...
  6. 3406pk

    Intake heat shield -- Remove??

    I'm in process of assembling my 340 engine, basically stock rebuild and using J heads and stock cast intake. The shield below the heat crossover is still in place and I wonder if it will leak crud/carbon out into new engine. Should I remove it or leave it. I am going to block off the heat...
  7. 3406pk

    Help on tuning 408 that's running rich

    I have had a stumble or hesitation that comes on at 3500-4000 rpm on my 408 sb duster. First the specs: 5.9L Dodge engine with stroker, 408 ci, 10.5 cr, Hughes hyd. roller cam 240I/242E, Eddy RPM airgap intake, Holley 870 street avenger (vacuum secondary). Accel distributor, Rev-n-nator ign...
  8. 3406pk

    SB rocker shaft bolts (Grade 8 ??)

    I'm rebuilding my 340 from 72 Challenger after the machine work. Bought a used set of 273 rockers which look good, but most of the 5/16 bolts Gr5 were stretched. I know about the torque specs being wrong at 30 lb-ft. Put in adjustable pushrod checker and ordered the new custom pushrods. I put...
  9. 3406pk

    Q? on assemble 340 engine

    I'm ready to assemble my 340 engine from 72 Challenger and have a few questions. First I want to thank guitarjones for his oil mods thread and krazycuda for front of engine assemble for the proper way to prep and assemble those parts. Their tips were very helpful. I find all discussion here...
  10. 3406pk

    Q on valve stem height

    I have a 72 340 engine out of my Challenger that I'm rebuilding. Bored .030, stock crank, forged pistons for 9.4 CR. It will have mild cam just a bit more than stock for a resto cruiser. Anyway I got the J-heads back from valve job (new guides, seats, all new exhaust valves) and was checking...
  11. 3406pk

    Need advice on Oil Pump

    I'm doing rebuild on my 72 340 engine out of Challenger. Engine will be basic stock for mostly stock restoration of car for mostly cruising. Going with 70 spec .030" over pistons for 9.4 cr and w stock J heads. Anyway the rebuild kit that I got has the High Volume Melling oil pump. Oil pan...
  12. 3406pk

    340 engine re-ring/rebuild??

    Need some advice. I have 72 Challenger with 340 engine, 4 spd. I pulled the engine for body and engine compartment repair and paint. I did compression test and had 3 cyl down to 95-100 psi. I pulled heads and there is wear on cylinder wall of about 0.003-.005" on side. Would a new set of...
  13. 3406pk

    72 340 Engine - Which crank?

    Attached is a picture of vibration damper from my 72 Challenger 340 engine w factory 4 spd. It has casting date of about 6-18-71 (very bad casting numbers) and was a replacement engine as it has no vin stamping and has tag that ID's it as replacement. From picture of vib damper is this a...
  14. 3406pk

    Small block oil filter with headers

    I have a problem with removing the oil filter on my 74 Duster 360 engine w 727 transmission. I have TTI headers and could not get the filter out the top side because of trans dipstick tube which is straight (from truck). The headers blocked it from dropping down. Finally loosened the header...
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