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  1. Tom and Vipers

    Aftermarket Proportioning Valve Install Question

    I remember seeing decades ago in Pegasus Racing Cat I believe, 2 driver adjustable proportioning valves: one was a continuously adjustable knob you turned and the other was a lever with detents at specific settings. The knob you'd have to "tune" while the lever would provide settings which...
  2. Tom and Vipers

    Roe VEC1 Technical Questions: 12v source revision, Key-On BARO, 12v Vampire Piercing Connectors

    Vampires have a better chance of working if there is some current - otherwise corrosion becomes a "contact resistance" which low current cannot burn thru. Soldering door wires where they break should be problematic since they broke where the bending stress was the greatest. The solder makes a...
  3. Tom and Vipers

    Roe VEC1 Technical Questions: 12v source revision, Key-On BARO, 12v Vampire Piercing Connectors

    12 volt source: It was an early 96 GTS install with the BK/OR wire as 12V source. BK/OR is 12v in the RUN position only. Roe's installation manual revised the BK/OR Run wire to the DB (Dark Blue) RUN & START wire. WHY? I can see issues with the RUN-START-RUN cycle which if BK/OR, energizes...
  4. Tom and Vipers

    Do I actually need a tune (or a VEC1)?: 96 GTS heads/cam 511 whp (but then there's 675 nitrous)

    Did you mean, "...that is why the factory calibrations run on the lean side." ? since rich shuts down cats? Yes, yes, yes: "...it just adds an unnecessary point of failure electrically." 25 years old and while MAP signals soldered, there are still vampire clamps present. Yep, MAP trick is...
  5. Tom and Vipers

    Do I actually need a tune (or a VEC1)?: 96 GTS heads/cam 511 whp (but then there's 675 nitrous)

    RE: Open Loop WOT: Please note my thought experiment here could be completely wrong: Cam and heads will make engine breath, VE goes up: With the positive displacement engine now pumping more air, MAP will go down (more manifold vacuum) because of the restriction of the intake system. More...
  6. Tom and Vipers

    Gen 2 vs. Gen 5 GTS

    Anyone know if later gens had knock and BARO sensors? If you are going to add HP, do you plan to tune the car? If yes, figure out what's involved between Gen 2 and 5. Are you going to tune it or pay someone? There are different levels of tuning: Canned based on specs, Remote dyno, drop off...
  7. Tom and Vipers

    Do I actually need a tune (or a VEC1)?: 96 GTS heads/cam 511 whp (but then there's 675 nitrous)

    Thinking I should have changed the title to: Is there any reason to not remove a VEC1? According to Roe website info for Calibrator in 2001: OE tune at high load is excessively rich (11.0:1) with little timing (18*), low and midload, lean and lots of timing (45*) Cam: 224* @ .050, .550" @...
  8. Tom and Vipers

    Trim Screw 06035625 Junkyard Scavenging

    I was going thru a small box of Viper parts and I had evidently ordered 2 of these screws 20 years ago. That was the good news. The bad news I still need one. The panel is held with 5 so a missing screw isn't important to fasten the panel. Now needing just one, purchasing a new one for $20...
  9. Tom and Vipers

    Trim Screw 06035625 Junkyard Scavenging

    Auveco's site has a terrible search filter (if it even has one - I don't remember at this point.) Good filters are at McMaster and Digikey and I'm sure others. NAPA appears to have the precise fastener with loose washer, its just that the screw head is not a "flat top washer head" which I...
  10. Tom and Vipers

    Trim Screw 06035625 Junkyard Scavenging

    I looked for member "Brian Jones" (and all combinations) and couldn't find. What am I doing wrong?
  11. Tom and Vipers

    Trim Screw 06035625 Junkyard Scavenging

    That pic is over $75 worth of screws.
  12. Tom and Vipers

    Trim Screw 06035625 Junkyard Scavenging

    They are everywhere, but it would be nice to have a Reverse Lookup parts diagram. There should be a ton of them in the bone yards. Anyone find any easy pickin's? The screw is left 2 in this pic: It holds the dash trim panel under the column. It uses 4 or 5. It is a "Flat Top Washer Head"...
  13. Tom and Vipers

    nitrous

    Old thread but remember: Gen 2 (and probably Gen 1) does not have a knock sensor. (and uses KEY ON BARO instead of an actual BARO sensor.)
  14. Tom and Vipers

    VEC1 Full Grown: Split Second ARC2 (!)

    I wonder if anyone did a series of dyno pulls to plot A/F ratio and timing? SS offered the following voltage maps for their 4-knob uber MAP translator:
  15. Tom and Vipers

    96 GTS Fuses: Power Distribution, Fuse Block and Fuse Access: Where are they in car AND FSM?

    Is that the one on page 8W-47-7 of the 96 FSM? It has (20) 30a and (1) 25a fuses? ...4, there are 4 fuse blocks. (Spanish Inquisition Python) Actually No. There are only 3. Turns out the "FUSS ACCESS" panel is the FUSE BLOCK - I did find it but didn't see the relay and flasher end since...
  16. Tom and Vipers

    96 GTS Fuses: Power Distribution, Fuse Block and Fuse Access: Where are they in car AND FSM?

    POWER DISTRIBUTION: I know where that is - above the PCM with the big threaded power stud. FUSE BLOCK: Shown in FSM but have no idea where it's located in car FUSE ACCESS: I know where that is, it's access cover is printed in white letters on the under dash access panel on side of dash by...
  17. Tom and Vipers

    Disconnecting Battery - never occurred to me how "screwed up" that is...

    I think it's something like 13 different fasteners of 4 types requiring 4 different wrenches. I wonder what the FSM says for alternator removal ... "DISCONNECT NEGATIVE CABLE FROM BATTERY..." Now why didn't I think of that...
  18. Tom and Vipers

    High Performance Billet Spare Tire Cover

    Oops
  19. Tom and Vipers

    High Performance Billet Spare Tire Cover

    LOL, I know, I was too eager to post pic. You'll notice the spacers are not bolted down. NX has a table for bracket spacing with "distance to" numbers and NO "from" or reference point. Am calling them now to clarify. (It's ironic because they allow a 10% variance in those distances and yet...
  20. Tom and Vipers

    High Performance Billet Spare Tire Cover

  21. Tom and Vipers

    Found fuel pump cover was removed on 96 GTS modded - theories?

    This was a 1999 TNT heads/cam/headers/exhaust and a 150 shot from a NX200 nitrous all done no later than 1999. What is the most likely reason to remove the cover?
  22. Tom and Vipers

    96 GTS is this a Corsa Exhaust circa 1999?

    I'll add my tidbit of info: Where to put the X or H pipe: Muffler should be at the very end of the system. Then spray paint or thermal paint on the pipes ahead of the mufflers. Drive the car, hard if you can, and you will find a hot spot where the paint is burned off - that is where you put...
  23. Tom and Vipers

    96 GTS is this a Corsa Exhaust circa 1999?

    Crossovers are used to make more power.
  24. Tom and Vipers

    96 GTS is this a Corsa Exhaust circa 1999?

    They eliminated the crossover? Why in the world would they do that?
  25. Tom and Vipers

    96 GTS is this a Corsa Exhaust circa 1999?

    Yep, the welds on the resonators are not up to "manufactured kit" quality. Yep, I hadn't heard "Billy Boat" for decades and never with regard to Vipers (but I was Viper oblivious until 2000 - yes, I read everything in the magazines since 92 and went to see one at a dealership, but when in 2000...

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