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  1. 451Mopar

    Cost to update 906 heads.

    Sounds good. I've spent $500+ on springs alone (PAC-1326) for sort of big solid roller setup.
  2. 451Mopar

    Budget conscious Performance Upgrades

    I'd get some edelbrock small chamber E-Street heads, or maybe 440 source stealth heads. The better airflow and lighter weight will really help. Then just a bunch of tuning before deciding on the next change.
  3. 451Mopar

    Fi tech wiring

    I'm looking to re-do my FAST 2.0 harness with military style 38999 bulkhead connectors, but using the cheaper non-military spec versions (same shell size and pin size/layout, but not as expensive.) My firewall is already messed up from the aftermarket A/C lines, and the old Edelbrock EFI...
  4. 451Mopar

    Adjustable Electronic Voltage Regulator ?

    The Transpo adjustable regulator has been working good for me with the 136Amp Denso alternator. If overcharging with newer style 1971+ type regulator, disconnect the regulator connector, and it it still overcharges there is a short on the field ground side. Sometimes the brush holder shorts to...
  5. 451Mopar

    New 512 Stroker Running hot

    On the cooling issue, with the automatic trans, run the hot trans fluid output through an external trans cooler before running it through the lower radiator core. don't make the lower radiator do all of / or the majority of cooling the trans fluid as it will make the engine pump inlet pull...
  6. 451Mopar

    New 512 Stroker Running hot

    The machine work to fit billet main caps is really expensive, and I think over kill at 600 HP. Check what your machine shop charges to fit the main caps to the block. Do use main studs. With the studs, the mains might need align honed, but that us way less expensive than align boring...
  7. 451Mopar

    727 deference between D and 1 from a stop

    :thumbsup: My days of neutral drops, and throwing the car in reverse at 50 MPH are over. Broke too many transmissions when I was a teenager.
  8. 451Mopar

    727 deference between D and 1 from a stop

    Sort of related, always stop the car with the brakes before shifting from forward to reverse, and reverse to forward.
  9. 451Mopar

    727 deference between D and 1 from a stop

    Yes, but some confusion because of the old reverse manual body instructions saying not to do burnouts in first, and use second gear, but that only applies to aftermarket manual valve bodies. starting in second gear in a normal forward body valve body is the same as in drive where you start in...
  10. 451Mopar

    New 512 Stroker Running hot

    On the 505" stroker I used the wrong bore size head gaskets. Cometic gaskets that were 4.350" thinking I could get an extra 0.01 of compression, but forgot about how large the chamfer at the top of the bores are, and under load I think compression was leaking into the cooling system. Anyhow, I...
  11. 451Mopar

    Trans Quick Shifting

    If at wide open throttle it holds the lower gears (Kickdown adjusted correctly), but upshifts through the gears quick at light throttle, the stop for the kickdown on the valve body is adjusted too far out, or there is a valve body problem.
  12. 451Mopar

    727 deference between D and 1 from a stop

    The low band apply should not make a difference when starting off, but might change the 1-2 shift timing
  13. 451Mopar

    Differential (8 3/4) Put Back Together

    Interesting idea with the small 1/8" pipe drain hole? I have seen larger drain fittings, but in a bung welded to the rear axle? I'd likely just throw it back together. If you find a problem later is not a big deal to drop out the center section. If using factory axle bearings, make sure to...
  14. 451Mopar

    727 deference between D and 1 from a stop

    "1" manual low applies the rear band and sprag, and also ignores the governor pressure so the trans won't shift to second until the selector is moved to second or drive. "D" drive does not apply the rear band, and is harder on the sprag, but the transmission will try to automatically upshift...
  15. 451Mopar

    So… in 2025, what’s the best electronic ignition conversion?

    cost of aftermarket distributors is out of control. Been using factory type magnetic pickup and re-curve them, then a CD ignition box. Lately been converting to EFI, locking out factory type and re-phasing the reluctor or using the lean burn distributor, the EFI controls the advance and...
  16. 451Mopar

    Winch use in an enclosed trailer?

    It will work. I have used the cheap Harbor Freight 2,000 lb marine wench and it worked, but is very slow, and pretty much at its limit pulling the car up the ramp.
  17. 451Mopar

    Camshafts: All else being equal, what does an increase in LIFT have on performance?

    I think you might mean same duration at 0.050"? but with more lift? If the cam has more lift it has to open the valve faster, so all durations above 0.050" would be larger too. Generally, more lift is more airflow, more air can burn more fuel, so more power. The downside is the faster...
  18. 451Mopar

    At what age did you start smoking....

    I was still in grade school. Snuck some Pall-Mall from my aunt. Really not a big smoker except when I was in the Army, then quit smoking when I was 21, although I will have a cigar once in awhile with friends.
  19. 451Mopar

    Valve covers for trick flow heads ?

    Summit ones worked on the TF240 heads with 1.6:1 HS rockers on the 505" stroker DODGE Summit Racing SUM-440350 Summit Racing™ Diecast Aluminum Valve Covers | Summit Racing
  20. 451Mopar

    EFI Conversion Kit

    I'm pretty sure the Holley fuel tanks are from Tanks Inc also. I did my EFI around 2012 with a sump welded to a stock tank and external pump. I didn't like the external pump setup and wanted to go to intank pump around 2014. I contacted Tanks Inc and they were working on the B-Body tanks, but...
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