Omg wtf is wrong with my car!!!!!!
03-28-2009, 01:53 PM
#1
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Omg wtf is wrong with my car!!!!!! Omg i am pissed, i see alot of ppl on here running 12's with bolt-on's!!!! Ok i wanna know what is up with my car, with an MS4, UD Pulley, LT Headers, 3 in Y-Pipe with dual cutouts, and TSP Dyno Tune i put down 387 rwhp and 364 lbs. I added a Vig 4000 stall and a beefed up 4L60E and i ran it twice on GS-D3 street tires, with hardly no wheel spin i ran the car twice a 13.2 at 103 and a 13.3 at 103???? Omg wtf is wrong with my car??? Is it the track i ran at????? Or the elevation??? I just don't understand??? Please Help???
03-28-2009, 04:07 PM
#6
Yes he should still have a good MPH even with a bad 60' but he may have had terrible density altitude... but if its normal then his car is definitely down on power and needs to be looked over.. Could be bad spark plugs or collapsed lifters/ bent pushrods etc.. lots of possibilities..
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03-28-2009, 04:37 PM
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Quick google showed you're at 4000+ft so that plays a huge role in your time. My times at my local track (600ft) are a bit slower than at a comparable track at sea level so I could only imagine how bad yours are.
03-28-2009, 05:24 PM
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So a 12.80 at 108? I would think his combo is worth more than that. I am not trying to be a jerk just want to know where to look if I have any problems with my new combo.
03-28-2009, 05:56 PM
#12
Sounds to me like the tune is off. The car shouldn't be shifting at anything lower than 6500-6600 and that is conservatively a low estimate. If you tell me that the tune is dead nuts on then you are indirectly telling me that you can't drive worth a $hit.
03-28-2009, 07:41 PM
#14
I just ran his numbers through a density altitude calculator with the weather data from the track in Amarillo last night. @ 7pm last night the DA was +3816 feet. The correction factor for that weather is a 11.7 @ 108 pass.
NOT ALWAYS 100% ACCURATE but neither is a dyno and without knowing the exact car specs, Shift points, weight, gears etc... were all just making estimates
03-28-2009, 09:12 PM
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Hey guys sry it took me so long to reply i just got to my computer. But thanks for all the imput. Ok first of all my car had stock 3.23 gears, 17x11 zr1's out back with the gs-d3's, as for 60 ft it was like a 2.0 or 2.1 on both runs. And it was at Amarillo dragway which is like 3700 or 3800 ft elevation. And i have two friends who ran at edinburg raceway in edinburg, tx full weight, with all bolt-on's, tune, and 4400 yank stall's, one did 11.6 @ 117 the other did 11.7 @ 116!!!! Could elevation really affect me almost a second and a half???
03-28-2009, 09:33 PM
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DA definately plays a big role in your time and mph. last tuesday the da here was around -1600 this past friday it barely got into the negatives. i lost over 1 mph and 1-2 tenths
03-28-2009, 09:37 PM
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Well when i ran it the fuel filter had never been changed so like 9 years and 150,000 miles lol but the plugs and wires have maybe 15,000 miles. and the car weighs about im guessing 3550 to 3600lbs without me in it and i weigh about 175lbs so say 3750lbs race weight. Since i have put a Racetronix fuel system in it and a new fuel filter and it feels much stronger but it does also have the heads and FAST intake since i ran it.