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  1. S

    Lightweight flywheel performance

    <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR>Originally posted by treynor: Dynojet runs are typically done in whichever gear is 1:1 on the car being dyno'd, as this yields the lowest driveline loss. Dynoing in lower gears typically yields less power because of (a) driveline...
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    Torque calculations

    Driveline losses affect both torque and hp. Same scaling factor applies to both since HP is derived from torque via the old familiar equation HP = Torque(ft.lb) * rpm / 5252. The reduction factor is much debated and probably only known accurately within team viper ... I've heard anywhere from...
  3. S

    Hoosiers

    I only get three track weekends on a set and that's really one too many. I should dump em after two, but because I'm cheap I usually push it into a third session where they've clearly lost most of their grip. I think there are two *wear* issues involved: compound behavior and tread life...
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    Aluminum Flywheels

    John, can explain why so bad for street? For drag racing I can understand ... less inertia, therefore probably a hard time maintaining stable rpm at the line, plus greater tendency to bog. Is the bogging issue that bad for normal street use? How about in a road race scenario ... does the...
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    Street Racing

    Saw Fast & Furious last night. Sat in the back row and was more entertained by the audience than by the movie. A real dog IMHO, but I'm compelled to see car flicks regardless of quality. The audience was large and the rows of heads in front of me were mostly covered with dyed blonde spiked...
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    Portable Air?

    I have a 110v AC 'pancake' compressor from Porter-Cable ... it's probably no bigger than most static tanks. Most track garage areas have AC outlets close by and if they don't, I just carry the compressor into the lounge, pressurize the onboard tank to 140psi and use that. Bought it at Home...
  7. S

    yet another thread on Headers

    Have used Hooker in the past on non-vipers and found them to be pretty much low-grade dog food. Things could've changed since then, but I don't think I'd use any of their products again ... especially on a viper.
  8. S

    Dump that stock airbox for cone filters!

    Intake air temp sensor was measuring room ambient (not under hood) for both runs. Sensor was on the dyno room wall 6 ft from the front of the car.
  9. S

    Dump that stock airbox for cone filters!

    ... And LOSE 20 hp! Went to a dyno day at Auto-Tek with Dave Weaver (Viper tech/guru) and the central Tx club. Made two pulls on their Dyno-Jet; First with stock airbox (front baffle removed), smoothies and dirty K&Ns -&gt; 426 peak SAE Hp, 463 ft.lb torque. Second pull we yanked the airbox...
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    Help: Buy Truck & Trailer, vs. Ship

    In my experience the trailer was more of a pain than it was worth. I (like you) contemplated getting it to haul my car to VOI4. Bought an expedition with full 10,000 lb towing capacity and then began investigating trailers. It was then that I heard about Reliable's $800 round-trip charge to...
  11. S

    95' RT/10 almost ate it at 135 MPH

    Re: 95\' RT/10 almost ate it at 135 MPH <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR> I wish people would stop saying "take it to the track"! <HR></BLOCKQUOTE> Agree ... pretty much. The wagging mommy fingers get old. Only a liar claims they've never opened up their...
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    Can someone lend some advice please?

    Curse you for asking that question ... It's been nagging at me since I read your post yesterday. Produced an uncharacteristic amount of introspection on my part. I'll try not to bore ... I got my degrees in civil engineering (soil mechanics and foundation engineering) but I got seduced to the...
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    Compiling a list driving tips, concepts, mantra's...Please help

    Re: Compiling a list driving tips, concepts, mantra\'s...Please help When in doubt, both feet out. In a spin, both feet in. If you see you're going to hit the wall, take both hands off the wheel. Unless you can bench-press 6000 lb, stiff-arming the wheel won't protect you and the impact will...
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    Dodge reliability concerns-

    Just sold my '95 - original owner. It had 28k miles on it including about a dozen road-course track events. In short I flogged the crap out of it AND still took good care. Religious maintenance rituals surrounding the track events and it NEVER let me down. I literally never had a single...
  15. S

    What is your favorite Viper Moment?

    This one falls under the heading of "That special pleasure that comes from bein' bad." ... and getting away with it It was 2 yrs ago, the last time I street-raced ... and the last time I ever will. It was mid-summer and I was coming home from work in my '95 RT at about 1 AM. Streets are...
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    Disappointing Dyno Results - Help!

    Agree. Cone filters breathing underhood air are an abomination foisted on us all by the aftermarket for many years now. Why in God's name would anyone want their engine to breathe that superheated underhood air rather than the ambient charge that comes in through the airbox? Any slight...
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    Can my 99 R/T 10 be lowered?

    With 1.75 coils cut out of front and rear springs it handled incredibly well. Lightning turn-in and stuck like glue in the corners, but I couldn't live with it ... intolerably low. Not a driveway transition made that it wouldn't scrape on. Also real risk of high-centering over convex...
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    Best excuses for missing front plate,please!

    <BLOCKQUOTE><font size="1" face="Verdana, Arial">quote:</font><HR> Burleson cops should give training to the cops in Nazi Georgia. <HR></BLOCKQUOTE> Hmmm ... Georgia. Maybe that's the problem. Do they just pump a few warning shots through your chest then tell you to squeal like a pig?
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    Best excuses for missing front plate,please!

    On the way back from TWS I got stopped by a couple of Burleson county (way out in Bubba-land) sheriff's deputies. They walked around the car loooooking and then one finally spoke up and said "Well the OFFICIAL reason we stopped you was for no front plate ... (long pause and a grin) ... but the...
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    A little advise on road racing please.

    Safety tips for the road course: 1. Brake in a straight line. 2. Accelerate in a straight line. 4. Late apex the tighter corners. These are pretty good basic rules for someone starting out. More experienced drivers who know their cars thresholds can break these rules and get around the track...
  21. S

    cooling fan question

    "You know how hot it gets in So.Cal." Ha! Ever heard the saying "If I owned a house in Texas and a house in hell, I'd live in hell and rent out Texas" ? The '99 fan really does cool better ... I can testify to that. I recently put one on my '95 as it was having definite cooling problems at...
  22. S

    Tears as Goodbye RT/10

    "he advertised it with wood dash" Too funny ... Only the finest genuine simulated burled hand-rubbed vinyl. Maybe you misunderstood him. Perhaps what he said was "would dash"
  23. S

    Hennessey Motorsports BUYER BEWARE

    While you have my sympathy, I should say your research of the various tuners should have included a trip through this board's archives. You would have found numerous vocal customers, both satisfied and otherwise. The only real way to safeguard yourself when it comes to such custom work is to...
  24. S

    How did you get into Vipers?

    It was pretty predictable for me, I guess. When I turned 13 in '71 my father farmed me out as a mechanic's apprentice to an old redneck who ran a garage out in the boonies. I worked (slaved) out there every weekend and summer through junior high and high school, doing you name it ... brake...
  25. S

    What's the best 5 point harness for 97 GTS?

    Re: What\'s the best 5 point harness for 97 GTS? Had the Snake Oyl harness in my 95 for about a year before I sold it. Very nice, easy to install, 3" wide straps with shoulder pads and a good cam-lock latch. I liked it fine. Used it at the track several times and the harness really kept me...

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