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  1. J

    Scored an interesting std bore 400 block

    Sounds fair to me.
  2. J

    Post your 11 second combos

    Yes, using the extensions in place of the exhaust saves around 55lbs. I have 2.5" pipes to turbo mufflers and dropping the exhaust I pick up 5-6 mph.
  3. J

    Post your 11 second combos

    Here's my stock stroke build - 448/727-11" converter/8.75-4.10. SRP's in at zero deck, K1 H beams, 84cc eddy's - stock valve job with backcut intakes, I opened up the runners to 218cc's and skinnyd the bosses.. XE282S/1.6 mancini arms. Eddy RPM intake- port match, 850 quick fuel DP, 1 7/8"...
  4. J

    Post your 11 second combos

    Wow, that's light, I'm at around 3610lbs (3860lbs with me at the track) with aluminium heads and just header extensions in my 71 R/T. What have you done for weight reduction?
  5. J

    Rear separation

    OK, thanks for the advice, I'm not overly worried. It does give a couple of revolutions on the wheel depending on the track temp and prep, but mostly it hooks up, It is likely I could get away with a tighter rebound. Would having the lighter T bars allow for a tighter rear?
  6. J

    Rear separation

    I set it up at 3 1/2, I have not re-measured since I have had a few runs at the track to see if anything has changed. It has a slight vibration at around 30 mph since I added a 3 degree shim to bring it down to the 3 1/2. No vibration at the track to 120mph though.
  7. J

    compression ratio wih alloy head

    There are a few variables, not the least as said with cam events but also elevation, engine temp, quench, even weight of car comes into it etc. But 10:1 with a cranking compression of 165psi at sea level 35 degrees total timing and 180 degree temps is safe with a quench motor - presuming 84cc...
  8. J

    Rear separation

    I am concerned about the pinion rise and the angle it may be exerting on the universal. I am unsure of what is going on under the car, that is why I fitted the camera. From what I have seen of other mopars at my track they don't seem to get that amount of rise but I am unsure of their set ups...
  9. J

    Rear separation

    I am concerned about the amount of rear rise in the car as to how it is effecting the pinion angle, I did fit a camera under the car but I didn't have it set up correct to record. Stock XHD springs with one extra leaf, front clamped, one clamp on the rear, pinion snubber. I have DA shocks, I...
  10. J

    Leaving Power on the Table, 440

    Yep, it should do, I recon the car has the balls to sneak into the 16 second zone under the right conditions though.
  11. J

    D/A shocks w Caltracs

    You wont get a lot of separation without traction, the car needs to hook up fairly well to load the suspension. It's a case of trying what works but if you have a prepped track I would be starting with a tighter rebound (12-14) on the rear and if it breaks free loosen it up a couple of clicks...
  12. J

    Leaving Power on the Table, 440

    I think you have potential to run a lot quicker, you have better flowing heads than I do. I have a similar combo and was running about what you are. I swapped out my street tires and 3.23's for drag radials and a 4.10 gear, went to a 1.6 ratio arm, DA shocks on 4 corners and a little head work...
  13. J

    Port the RPM's or TF240

    Yep, can be hard on the trans if your in 1st, I use the original valve body but with a TF2 shift kit minus the high gear restrictor as I run 15 springs in the high gear clutch. The valve body has low band apply and I fitted a 16 roller 6 bolt sprag and billet front drum. I start in first (no...
  14. J

    Port the RPM's or TF240

    Yes, was running 12.3's with a 1.95 60ft, the last run I let the tires heat up more so that it dragged the engine down on the burn out. Just getting a feel for the car at the moment.
  15. J

    Port the RPM's or TF240

    So two years on I finally got to go to the track. Same combo as before but changed the crank for a new scat forged crank. I opened up the port runners and trimmed down the guide bosses myself, had a 30 degree backcut done on the intake valves and added some 1.6 mancini arms. 4.1:1 gear and...
  16. J

    Engine load from auxiliary equipment

    Here's a comparison for you, 10.2:1 440 3.75 stroke, 850DP pulls just over 13" @ 900 with an xe275hl Hyd (231/237 @ 50 275/287 seat timing .525 lift). Same engine with a EX282S solid 244/252 @ 50 282/290 seat timing with .520/.540 lift - pulls around 11.7" @ 900. Both on 110LSA. The 275 cam had...
  17. J

    Factory Tach accuracy

    The real time tach kit is a winner, my factory tach was way off, installed the RT insert and it is dead nuts on the money. MSD Magnetic pickup distributor and Rev-n-nator controller. The sticking issue could be another problem on top though.
  18. J

    Issues with main bearing clearance

    King do 0.001" either side of standard for BBM. Scat also cut the rod journals at low side for their BBM 3.75 crank.
  19. J

    Engine oil PSI

    If you have 70 psi at idle hot or cold you must have some fairly tight bearing clearances. I run a 440, solid flat tappet with 0.0025"- 0.0027" clearance rods and mains, 10W40, it has 70 psi cold idle but drops to 35psi hot. That is with an HV pump, if I swap out the spring from my original...
  20. J

    Mancini rockers

    Thanks, not planning on guessing, just want to know where is best for the adjuster to be. I would imagine not more than a couple of threads showing below the arm.
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