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  1. Tom and Vipers

    DRBIII Fuel Injector Kill Test: Pass / Fail is... ???

    Did the test and from what I can gather, you have to visually average the fluctuating rpms as you select the injector to kill/test. I had some cylinders spike below 900 with an average in "low 900's" while other injectors spiked above 1000 with an average in the "mid to high" 900's. Obviously...
  2. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    UPDATE: DRBIII IAC WIGGLE TEST: Did this and the engine would jump from 1300 to 1900 every time the IAC was ramped open. Closing was fairly smooth. (No way to plot this information on DRB which really defeats the whole purpose of the test: inspection of the curve.) I suspect this could be...
  3. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    UPDATE: 9/10: Took to Mt. Rose 8900' 30*F and got a minor 1400 rpm idle hangafter shutting off at summit, then starting after about a 10 min "heatsoak." The hang occurred right after the cold start enrichment was over. One VEC1 click rich caused the hang to drop. (One click back cause the...
  4. Tom and Vipers

    What towels/rags to use?

    Can't recommend anything but I can say that I bot the most expensive, soft white bath towells they had at some high end department store and they were a complete disasterthey covered the car with white lint! (something I have NEVER seen happen with a cotton towel over the 45 years I've been...
  5. Tom and Vipers

    Fan Speed Relay: Always HI w/Trick Yellow "Jumper" Relay (trips P1489)

    I think this was a common trick much talked about around 2000 but couldn't find any search hits to confirm. (Think I learned about it at a Viper Days.) The purpose is that when the fan comes on, you ALWAYS get HI fan. Could someone confirm this? ___________________________________ This also...
  6. Tom and Vipers

    Gen II (GTS) OBDII Port Location?

    This is pathetic, I even found a pic of one and said, "That is easy" but I looked and looked and probed all over the place with my hands. I didn't realize the port is basically even with the bottom of the trim panel - I thought it was a few inches forward of where it actually is. So I got a...
  7. Tom and Vipers

    Gen II (GTS) OBDII Port Location?

    I'm thinking I have to remove the interior panel below the steering wheel to get at it but not sure.
  8. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    UPDATE: 9/6: With soldered VEC1, engine has been very stable and more HP - can now churn the tires in 1st. No incidents until just now - I took car to 6200 ' AND a little chilly 55*F (maybe even a few more degrees cooler), and the idle hanged around 1300-1500 rpm. Knowing that the VEC1 Low...
  9. Tom and Vipers

    Nitrous Bottle Size and Location to Allow Access to Spare Tire

    Actually, its not really about the spare - it's about where to put the flat tire w/wheel! I was thinking it may be possible to put an angled ("negative" camber from aft view) bottle bottom at the quarter panel and top at the hatch opening. I'm really only thinking about this because the car...
  10. Tom and Vipers

    Nitrous Bottle Size and Location to Allow Access to Spare Tire

    My 96 GTS (heads, cam, exhaust) had a bottle bolted to the spare tire cover (!) - I took that out as soon as I saw that. Seems everyone has one or two bottles inclined over the spare tire. So the only real option would be some kind of short, fat bottle to tuck by the fenders - perhaps two of...
  11. Tom and Vipers

    Hellcat versus Viper transmission

    The original concept of the Viper was to be the reincarnation of the Beast AC Cobra. Beast. Let me say that again... Beast. The Viper should always be 50% more HP than the Corvette maintaining the margin the 427 Cobra had over the Corvette back in the 60's. If the Corvette is 600hp, the...
  12. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    UPDATE: 9/3/2015: VEC1 MAP intercept wiring was FUBAR! Installation consists of cutting the MAP wire at the ECU harness, crimp blade terminals onto the ends, and then connect with terminals from the VEC1. The crimp terminal coming off the ridiculously short cut they decided to make at...
  13. Tom and Vipers

    1996 GTS Gen2 MGW -v- OE Shifter Decision

    Yeah, I once had this MGW 96 and a stock 2000 and I loved the stock one. Your MGW, was it just the arm? a simple change to the stock one?
  14. Tom and Vipers

    1996 GTS Gen2 MGW -v- OE Shifter Decision

    Previous owner installed the MGW parts: short arm shifter, console cover w/cup holder, and gas cap cover. and the valve stem caps. While a short shifter arm is cool, on a T56 I need more "crow bar" to bull past the totallyl inadequte single cone synchros. What are my options? I was...
  15. Tom and Vipers

    1996 GTS w/P0175 getting about 150 miles per tank of gas (was 300)

    I'm about to start diagnosing this today and my #1 suspect is a leaking injector O-ring.The first thing I'm going to do is inspect the spark plugs and see if there is evidence of a rich injector. I shut the engine down while presenting the 3000 rpm idle. Once I do that, I'm going to listen to...
  16. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    UPDATE: Back in NV and had the 3000 rpm idle hang at a mere 6200 ft. However, now with two "recent" events, I believe it is a "cold" temperature event. These past two events occurred with ambient temp in the 50's which is unusally cold in NV when I visit. Fuel economy is now about 150 miles...
  17. Tom and Vipers

    Sun Visors: Upgrade from 96 GTS vinyl to later cloth? Do they work better?

    Back to this again. (car is in NV, I'm in PA but will be in NV tomorrow for about 3 weeks) NOTE: This may be academic since I want the visors for cross country drive back to PA, but this year has been one gut wrenching disaster after another and my tolerance level is now zero. If I got a...
  18. Tom and Vipers

    Shipping a Viper????

    Relevant thread resurrected! I'm the other way: cheapest open carrier that will not rip the Hennesey front fascia off from Carson City, NV to Pittsburgh, PA. (if it was cheap enough, I'd gladly do the 'glass repair (!)
  19. Tom and Vipers

    1996 Gen2 BARO source

    Is BARO obtained from WOT MAP values?
  20. Tom and Vipers

    PIKES PEAK SUMMIT: Anyone drive a bone stock Gen2 Viper up there w/o issues?

    Wondering how well cooling, mixture, timing, idle, etc. are maintained.
  21. Tom and Vipers

    Gen 2 GTS Water Pumps almost all gone

    Cardone will rebuild anything
  22. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    Good Grief! this thing is Speed Density! Argh........ (unavailable Banging Head Against Brick Wall emoticon) _____________________________- EDIT: Plan of action: first fix the P0175 Bank 2 rich AND 33% loss in fuel economy (200 miles per tank instead of 300). First scan and see what is...
  23. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    I still haven't talked to Dan yet (left message) and from what people say, he is The Guy. I wish there was someone closer. Ted May @ Valaya is 3 hours away from Carson City, NV and I don't know what is available near Pittsburgh. My concern could be trivial or a complete mess. One question is...
  24. Tom and Vipers

    1996 GTS High Idle (2500-3500) at high altitude (8000-9000 ft)

    Flying back to NV and this problem Friday (+4 days from now) I have to decide whether to try and fix this while I have access to high altitude before I take the car back to PA. The one thing that I suspect is a simple intake manifold leak. Perhaps it would be worth to simply replace them...
  25. Tom and Vipers

    NEED EXPERTISE---SCT Tuner vs. PCM/ECM upgrade

    I sense a contradiction: Lots of people say SCT is the way to go, but it appears there is no documentation and the process is not intuitive and cryptic. I have a 96 GTS w/cam, heads, headers, NOx that I don't think was ever tuned. I wish it was a stock engine w/ROE supercharger - I would just...

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