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Old 03-22-2011, 07:34 AM   #1
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Default Mods without tune?

I have a 02 z28. It is stock except the slp lm2 exahust.
What would be something to add to the car to give it more power without having to do a tune. I will eventually but want to save some money for now.
Thanks for any sugestions.
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Old 03-22-2011, 08:36 AM   #2
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Headers, and a CAI kit, you wont have to tune for those, but the car will make more power, and even a lil more if yoiu had it tuned. A mail order tune would get you super close with those mods. Usually a mail order tune is 125-150 bucks.
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Old 03-22-2011, 08:45 AM   #3
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SLP LID, Dynatech SuperMAXX Header w/ Catted Y, matted to a Corsa exhaust showed knock retard and maxed out fuel adj.

W/ the SLP lid alone made 324 rwhp (m6 w/ 10 bolt)

Header and Exhaust made 325 rwhp!?

Dyno Tuned made 355 rwhp.

Just my exp.
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Old 03-22-2011, 09:02 AM   #4
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If you don't have a lid get one, do all of the "free mods" also. $.02
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Old 03-22-2011, 11:50 AM   #5
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Lid
Longtube headers
Y pipe
Gears- don't show a HP increase, but definitely make the car quicker.
If you are an auto, a converter is your best mod.
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Old 03-22-2011, 04:05 PM   #6
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Quote:
Originally Posted by WSsick View Post
Lid
Longtube headers
Y pipe
Gears- don't show a HP increase, but definitely make the car quicker.
If you are an auto, a converter is your best mod.
+1 for the gears and i put a new rear end in because it was a one wheel wonder and the difference it made was amazing
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Old 03-22-2011, 04:09 PM   #7
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lid, some type of ram air setup.


suspension and tires will lower your times if thats what you want.
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Old 03-22-2011, 04:27 PM   #8
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a tune will wake any car up, but not necessary until you start flowing more air.
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Old 03-22-2011, 04:29 PM   #9
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Quote:
Originally Posted by Ajz28 View Post
I have a 02 z28. It is stock except the slp lm2 exahust.
What would be something to add to the car to give it more power without having to do a tune. I will eventually but want to save some money for now.
Thanks for any sugestions.
Do you want more power or want to go fast? They aren't always synonymous - F bodys can go low 12's or maybe better with a stock engine. Its all in the rest of the drivetrain and suspension. If you wanna really wake the car up for cheap change the gear set and find a used nitrous setup.

In my opinion free mods are a waste - they don't really do anything. I usually say the same with bolt-ons as well. Spend 1000 dollars to go from mid 13's to low 13's the 1/4 mile it just doesn't make sense.
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Old 03-22-2011, 06:01 PM   #10
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you can get pullies too. they help a little.
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Old 03-22-2011, 06:37 PM   #11
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Usually a tune is done after full or close to full boltons is done, then it will make the most benifit for the money.
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