new times from friday

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Old 09-06-2009, 03:32 PM
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so i went to the track to see what the car would run after the recent tune up
times were disappointing

my two best passes were:

60' - 2.123 2.187
1/8 - 8.929 8.969
mph-80.10 80.50
1/4- 13.841 13.865
mph-100.04 100.41

my previous best passes were 13.6 @ 101

the only thing that has changed was a tune up and 10 spoke rims from stock salad shooters, and about 2500 - 3000 miles more

what can cause the car to lose 2 tenths and 1 - 2 mph the weather was good as well temp around 67 -70

car is 95 z28 lt1 mods in sig
Old 09-06-2009, 05:40 PM
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Originally Posted by Smoke Em
so i went to the track to see what the car would run after the recent tune up
times were disappointing

my two best passes were:

60' - 2.123 2.187
1/8 - 8.929 8.969
mph-80.10 80.50
1/4- 13.841 13.865
mph-100.04 100.41

my previous best passes were 13.6 @ 101

the only thing that has changed was a tune up and 10 spoke rims from stock salad shooters, and about 2500 - 3000 miles more

what can cause the car to lose 2 tenths and 1 - 2 mph the weather was good as well temp around 67 -70

car is 95 z28 lt1 mods in sig

Well, if you only lost 1-2 MPH, car is making basically the same power, a little less...and could be weather, head wind, your tune up...plugs colder heat range??? What did you change during tune up?
Old 09-06-2009, 06:05 PM
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i doubt it was the weather, weather was close to if not perfect


i changed plugs wires optispark everything to msd
plugs went from ac delco to NGK Tr5
Old 09-07-2009, 06:56 AM
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Originally Posted by Smoke Em
the only thing that has changed was a tune up and 10 spoke rims from stock salad shooters, and about 2500 - 3000 miles more

what can cause the car to lose 2 tenths and 1 - 2 mph..
i believe you answered your own question.
Old 09-07-2009, 11:57 AM
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i believe you answered your own question.

you think that changed it that much????



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