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  1. T

    How much transmission fluid?

    Hi Sveina, Yes, ATFs have a special friction requirement to operate in an automatic and the level of friction is adjusted to be not too low and not too high, but just right. This allows the clutches to engage smoothly and the shifts feel good, but not to slip when fully engaged. In a manual...
  2. T

    Hey guys, I'm new saying hi and have an oil question...

    For the record, the last car made that had elastomer compatibility issues with synthetic oils was a Mazda rotary. Since then the seals are better, the oils have to meet seal compatibility test requirements, and the OEMs have upped the elastomer types. No model year Viper falls in the category...
  3. T

    How much transmission fluid?

    I think we've all hit upon parts of the proper answer. Early cars used ATF Dexron IIIE. This is a ~7 cSt viscosity product (roughly an SAE 20) with lots of additives for anti-wear, proper friction, oxidation protection, etc. When the transmission got hot, the "rattle" when in neutral was...
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    Overall Ride Quality -- Gen I vs Gen II

    The windows, door handles, rain and gasket-envy issues are more significant than the ride.
  5. T

    Will these calipers work?

    Mods: forgot to remove "site sponsor" from over my picture... And please check the 30-day notice on banner ad renewals because I didn't get that, either.
  6. T

    Adjustable Gen 1 shocks

    For those with Gen 1's, might want to check with Dan because the older cars don't have forks; that was Gen 2.
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    Will these calipers work?

    For the first, panic, heavy brake event the determining factor is mostly the balance of clamping forces between front and back calipers. The 40mm rear does very well with the OEM front; actual measurements show 1.0 G braking. No prop valve change is needed. A BBK system "could" do better if...
  8. T

    Check engine light

    The P1281 is not just that the coolant is cold, it is a signal that the coolant temperature did not rise from a low value to a high value fast enough. Because fuel enrichment and exhaust emissions are higher during the start and warm-up period, the OEMs must get the engine out of the cold start...
  9. T

    AFCO Coil Overs

    I like the springs and spring hat hardware. I modded my Gen 1 shocks for coilovers (threaded sleeve, AFCO springs, spring hats) and they're fine after... 10 years?
  10. T

    94 Clutch problem?

    If you end up thinking it's the hydraulics, you can diagnose it further by draining the brake fluid and replacing it with SAE 0W20 full synthetic motor oil. Use a synthetic because a mineral oil will cause the seals to swell. (Not that there are mineral oil 0W20 oils anyway.) If the "feel"...
  11. T

    Cost of fixing Viper 94 - 96

    Yes, I admit my 52 miles can be as short as 46 minutes, so a much better average than 27 miles in 90 minutes. I am honestly sorry about that and even I would opt for the recliner-stereo on wheels rather than three pedals on the floor, rowing through only three of 6 gears and the frustration...
  12. T

    Cost of fixing Viper 94 - 96

    BooX2! HsssX2! OK, I live in a middle class neighborhood that isn't a problem so I park in the driveway all the time. But I also commute to Tarrytown, NY and park in an office complex lot. Yes, I now have a hardtop and windows, because after 12 years of the softtop and vinyl windows (and a...
  13. T

    Cost of fixing Viper 94 - 96

    Boo! Hssss! Hssss! ~~~~:>~~ I have ~104K on mine and now travel 51 miles one-way to work. Of the 4-5 cars in my family "fleet" (all Dodge) it has not been significantly better or worse for overall cost of maintenance.
  14. T

    How do you take care of your soft top?

    I used mine almost year round and would put the silicone spray for camping tents on it. The water would bead and not soak in, and dust seemed not to get into the fabric. PS It's for sale.
  15. T

    Shell's response on 15/40 Rotella in Viper-Tom?

    If it has the big "1" in a black square, it needs to be synthetic. They are changing the labels. Mobil 1 Fully Synthetic Motor Oil New Bottle Labels
  16. T

    You said it was just a matter of when, not if

    Oxygen (air) in the cooling system will greatly shorten the life of the coolant and the hardware. Elevated temperature will accelerate the chemical reaction whether there is O2 or not. There have been several OEM cooling system "field issues" that were blamed on the coolant (e.g. DEX-COOL)...
  17. T

    You said it was just a matter of when, not if

    Using an ATF in a manual - the gears will shear the additives that act to thicken the oil, so in time the fluid will become thinner. Heat from the engine, tooth contact, and loads will tend to oxidize the oil so in time it may darken and varnish will build up. There are specific friction...
  18. T

    You said it was just a matter of when, not if

    Nope, it sounds like we agree that coolants do prevent corrosion because of the additives they contain and that the additives get used up; just like the additives in engine oil, gear oil, power steering fluid, transmission fluid and all the other fluids we're supposed to change. I will hang my...
  19. T

    What is MultiAir?

    I would think of it as variable cam timing on steriods. Could be very good.
  20. T

    What is MultiAir?

    A news report of the 2012 Viper said it would include Multiair. Here is an explanation:
  21. T

    Starting problem

    Also check the pseudo-battery terminals at the driver footbox (on Gen 1).
  22. T

    DD Vipers

    I now have 107K in my '94 due to a 102 mile daily commute. Next car is one of the 2 or 3 dark green 2008 (or 09?) ACRs to commute with.
  23. T

    check valve question

    All you need is for the check valve to keep the fuel line full, not pressurized. If it is full, upon crakning the fuel pump will pressurize it immediately; the problem is if the check valve allows the fuel line to drain the contents back into the gas tank. If that happens the fuel pump has to...
  24. T

    Where is the heat coming from??????

    The passenger side has the hole in the hood under the speaker grill; the driver side does not. I since used a hole saw and added the hole in the hood under the driver's speaker grill. At traffic stops, with the AC on (or the high speed fan running) I see a lot of heat waves, so perhaps you...
  25. T

    HELP! 97 GTS, no AIR Conditioning, ideas?

    There is a switch to keep the compressor from running if the pressure is low. This is because the refrigerant carries the lubricant for the compressor; no refrigerant maybe no lubricant, so the safest thing is to shut it down. This switch is a unit with a plug near the sight glass. You can...

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