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  1. S

    Deep in the Engine

    So we have some issues. The engine was primed via the sensor port, when attempting to crank the pushrods were bent. Contact on all exhaust valves and #3 and #6 intake valve. The timing set was missing the cam drive plate circled below. 1) can this plate being missing cause intake and exhaust...
  2. S

    Water and oil temperature sensor locations

    Hey everyone, I was wanting to know if anybody knows where the oil and water temperature sensors are located on an 8.4? Thanks
  3. S

    Oil pressure sending switch

    Does anyone know if low oil pressure with prevent the engine from starting on gen 4?
  4. S

    Progress on diagnostics on sketchy pete

    Hey all, Not giving up, even if it means an LS or **** cat swap! J/K I played with it some more today and was curious on some experienced folks thoughts. The cam sensor plug and crank sensor plug both have a 5v reference and a 5v pull down signal. This makes me believe that the PCM is...
  5. S

    A/c compressor pre-oiled?

    Hey guys, changing out the AC compressor and there are no instructions or notices. Does anyone know if the installation instructions call to add oil or if the unit come pre-oiled? Thanks
  6. S

    Milling gen 4 heads?

    Does anyone know how much can be taken off to increase compression on gen 4s? I see threads about gen 3s but is there a reason this is not done on gen 4s?
  7. S

    Identify pistons and rods

    Hi All, Working on my mystery box. The engine appears to have been rebuilt. ARP 2000 rod bolts which I assume are not stock and these pistons do no appear to be stock. They numbers cast on them, 376ad and 103L37. I tried to Google these and seem to get conflicting results. They may be Mopar...
  8. S

    New wrinkle - air coming from intake when turning over

    Hi all, As you may be aware my car has a no spark condition. Well, while turning it over to diagnose, we found air blowing out of the intake. To us, this meant a burnt/broken valve, broken spring, wiped cam lobe or bent pushrod. I removed the valve covers and found this (pic 1). The rocker...
  9. S

    08 GEN 4 No spark

    Hi all, new to the viper game aftering having made a sketchy transaction. Ignoring all that, the car has an incorrect battery hooked it and that is also on a charger. Fuel was bad, disconnected line and drained it. Added fresh gas. Since it's a return style system, what was left should be...

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