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Old 04-25-2011, 06:16 PM   #1
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So I have an A4 with 110,xxx miles catback, volant, suspension work. with 275's on the front and 315 NItto 555r's on the back also with 2.73 gears currently. I dynod 280 and I know i also have clogged cats. I just feel like i have NO power, is all of this adding up? It seems quite difficult to chrip even 2nd gear and I even have problems doing burnouts..

I have 3.73's , headers, ORY, underdrive, plugs, wires all waiting to go on the car.. but as it sits now.. does it make sense i have no power..?

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Old 04-25-2011, 06:38 PM   #2
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I think the gears are the main issue and probably your clogged cats. I have 3.23s (A4) and I can light them up no problem. Then again it's an '02 with 21k miles.
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Old 04-25-2011, 06:43 PM   #3
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i wish i had ur problem
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Old 04-25-2011, 06:48 PM   #4
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install the headers and y-pipe (delete cats) and i promise you can do it.

My brother had a 02 with2.73 and could light the tires up easy!
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Old 04-25-2011, 06:49 PM   #5
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well for what I have right now.. does it seem like a "dud" or pretty consistent with whats normal
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Old 04-25-2011, 07:03 PM   #6
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It's impossibile to determine if your performance level is "normal" when you already know that something is wrong with the car. Clogged cats can cost you anywhere between 1% to 100% of overall power depending on how much flow is blocked, so this thread is pointless until you fix this variable.

Take care of this issue before you worry about anything else.
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Old 04-25-2011, 07:03 PM   #7
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Quote:
So I have an A4 with 110,xxx miles catback, volant, suspension work. with 275's on the front and 315 NItto 555r's on the back also with 2.73 gears currently.
Quote:
I currently have 3.73's
which is it, 2.73 or 3.73? if it feels that lousy, could have a worn out torque convertor
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Old 04-25-2011, 07:06 PM   #8
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Originally Posted by ripgtp97 View Post
I currently have 3.73's , headers, ORY, underdrive, plugs, wires all waiting to go on the car..
i have 2.73's on the car

and yeah im hoping its the cats.. i know they are pretty bad because if i get on it hard enough really quick i can stall out the car. i've done it on the road and on the dyno
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Old 04-25-2011, 07:17 PM   #9
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280 RWHP is nothing to sneeze at, but a bit low with these cars. Now take all those mods in your sig and put em on the car!
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Old 04-25-2011, 07:24 PM   #10
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they were supposed to go on last month, stupid college bills -_-

but back on the topic.. does anyone think there could be anything else wrong with the car??
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Old 04-25-2011, 07:36 PM   #11
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280 rwhp with a basically stock car w/ plugged up cats? Seems like you're not doing too bad at all, as mentioned the plugged cats could cost you 1% or 100% depending on the amount of blockage, so if you think you're low on power then that's probably it.

What we should be asking is if you know there's a problem then why are you asking if you have a problem? lol
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Old 04-25-2011, 07:40 PM   #12
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haha well i guess i just wanted to make sure my thoughts were right, i tend to overthink everything, so just wanted to make sure i wasn't overthinkin my car too :]
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Old 04-25-2011, 07:56 PM   #13
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Trust me man, those gears and that exhaust will make all the difference in the world. Get a tune while you're at it and it'll be a whole new car.
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Old 04-25-2011, 08:27 PM   #14
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Quote:
Originally Posted by 99FormulaM6r View Post
What we should be asking is if you know there's a problem then why are you asking if you have a problem? lol


Fix the known problems, then re-evaluate performance.
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Old 04-25-2011, 08:35 PM   #15
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Fk CATS! cut that pos off and feel your exhaust system flow!!! No restriction! SMOG THOUGH!!!!
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Old 04-25-2011, 11:05 PM   #16
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I spun from 0 to 70 mph the other day.....weird
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Old 04-26-2011, 04:04 AM   #17
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i dont think its a performance issue at all....i think u have a good tire issue... 315 nt555 arent gonna blow away like a stock 245...or even a 275... I have headers, true duals, !cats, !EGR, !AIR, SLP lid/filter, 4.10's with 315 NT-01's and i dont spin em either...only time i can is if i slip the clutch a little in first and theyll chirp in second, but for the most part, they HOOK. before the 315's, i had some general POS 245's and in first and second u could burn em off all day long....
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Old 04-26-2011, 04:55 AM   #18
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Get rid of those cats!!!!
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Old 04-26-2011, 08:17 AM   #19
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if the cats unbolts, hollow them out for now =] cheap easy way
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Old 04-26-2011, 09:42 AM   #20
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you have 315 drag radials and 2.73's......enough said

Like subbie said if you can just hollow those cats out if you arent able to install the rest now.
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