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    More idle hang info

    I finally got tired of trying to drive in traffic with a 1700rpm idle and decided to get serious about fixing it. After reading all the threads, I found out the problem was something that no one has mentioned - weak throttle return springs! Things I tried first: 1) reset PCM - no noticeable...
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    How to determine if CAT is clogged

    Before taking my Viper to the shop to determine why it is down 80+ HP, it was suggested that I check the cats. How do I determine if they are clogged and can I get a gross idea w/o having to find an exhaust pressure gauge? I took off the driver side cat and can't find the brand that the...
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    Dyno Run - Low #s For Current Mods

    I finally had my 97 GTS Dyno tested and the #s are low for the mods on the car (most were put on before I bought it). Peak Hp was 418@5500 and torque was 465@3700 with an A/F ratio starting at 13.5-14 @ 2500 and dropping to 12.4 by 5000. These don't seem dramatically improved from stock My...
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    Wheel Techniques Wheel Polishing

    Finally got my Viper back from the brake "incident" described elsewhere and had my Fikse FM/10 wheels polished while waiting for parts. AWESOME!!! Took quite a while (6 weeks), but they look dramatically better than even the new wheel I bought as a repair - there truly is no comparison. Pricing...
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    Dropped a Mov'it brake caliper on the freeway - aka "case of the missing locktite"

    Dropped a Mov\'it brake caliper on the freeway - aka \"case of the missing locktite\" This is a warning to all Mov'it Porsche Big Red brake kit owners - ensuring that whoever installed your set used proper locktite/lockwashers and torque settings is really, really, REALLY CRITICAL. There is a...
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    Carbon Fiber Interior Upgrade (Pics inc)

    I finally got around to installing interior carbon trim and pedals - quite an improvement for $220 total. The carbon trim is very easy to install - just clean the dash lightly with carb cleaner or clear solvent, warm the pieces in the sun and stick. The pedals were a pain though. It took me two...
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    Temp control useless - pure hot or cold only

    It's starting to get warmer and I figured it's about time to determine why my temperature control is useless. AC blows 100% cold and heater blows 100% hot regardless what angle the control is at. The unassisted fan just blows hot air right of the headers of course, but I would like a little...
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    Temporary high(1500) idle speeds

    My 97 GTS often pauses at 1500 RPM for about 20-30 seconds when decelerating from 2000+ RPM before going back to a normal idle. This gets obnoxious when trying to coast down while waiting for someone to get out of the left lane because it only happens around 20-30% of the time, forcing me to hit...
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    TD rockers vs Crower + head work

    I am going to upgrade my Viper this summer w/ new/ported heads and 1.7 rockers. I have a set of Crower rockers(+ cromoly rods, springs, ti retainers) that came uninstalled with my used 97 GTS. Should I just use these(free) or fork over the extra 1500 or so for the TDs? I am not going to race and...

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