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new 5.0s

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Old 10-22-2013, 01:36 AM
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Hey everyone new here. No my names not about mustangs was about motocross. Anyways i have a 2002 z28 t56 and unknown mods. Ive raced a couple buddies new 5.0 stangs and walked them out a few cars until i shut down at 155 and they said they werent gaining ground. One was just a base gt auto, the other was a rs2 6speed. Both same results. I believe i put about 2-3cars on them. My car sounds stock appears stock not even headers just a 3" pipe (still has crushed y pipe) both drivers are good too. Heres a vid from the automatic 5.0. (Both stangs we did 30, 40 and 50 rolls) i raced the rs2 from a dig and lost by a car due to me spinning bad and i caught up to him by 2 cars then we stayed there until i shut off. Sadly we didnt have a chase car on the Rs2 race. Im in no means trying to lie or b.s. in here just wondering if stock Z's can out run the new 5.0 like i have.


If you have anythoughts on what could be done or to look for please reply. Im stumped.
Old 10-22-2013, 01:54 AM
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Forgot to mention stock 3.42s in car. 80mph 6gear @2900rpm
Old 10-22-2013, 04:30 AM
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"Cam only" mod.
Old 10-22-2013, 05:19 AM
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Originally Posted by Tracked350Z
"Cam only" mod.
They have cams that make that much gain without any noticeable noise sound of a cam? Like rough idle lope etc? :/ exhaust just sounds like a regular Ls to me.
Old 10-22-2013, 08:45 AM
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a strong mild bolt on ls1 car outrun stock 5.0's.
Old 10-22-2013, 08:46 AM
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Originally Posted by thefastfox
They have cams that make that much gain without any noticeable noise sound of a cam? Like rough idle lope etc? :/ exhaust just sounds like a regular Ls to me.
only on the internet.
Old 10-22-2013, 10:32 AM
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Originally Posted by thefastfox
Forgot to mention stock 3.42s in car. 80mph 6gear @2900rpm
Stock gearing should be 1800rpm @ 80 in 6th.

Fwiw you wouldn't know mine has a cam unless I told you.

Before headers...


After headers

Last edited by S8ER95Z; 10-22-2013 at 11:10 AM.
Old 10-22-2013, 04:07 PM
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could be just a good running ls1 with a gear and minor stuff. factory freak car.
Old 10-22-2013, 04:09 PM
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I dont believe in factory freaks... i believe in good or bad drivers VS vehicle weight...
Old 10-22-2013, 04:26 PM
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Good kills!
Old 10-22-2013, 04:45 PM
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Good kills.
Old 10-22-2013, 06:04 PM
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Factory freak is definitely possible... Seen that a lot in the 4.6 2v and 4v's. Cam timing is key.

Good kills OP, strong running car
Old 10-22-2013, 06:32 PM
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Hmm I don't see anything unusual here... My car stock would have put up a good fight against a stock 5.0 from a roll (108.59 trap stock). Would likely lose up top but if I had a better start or gearing advantage at a certain speed I could have pulled off a win.

Last edited by S8ER95Z; 10-22-2013 at 08:13 PM.
Old 10-22-2013, 07:45 PM
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Typo it is 1800-1900rpm 80mph in 6th. Ill probably have it dynod after i put on the long tubes and dual 3" borla exhaust. Been pondering swapping to the 5.3 heads and ls6 intake. Then ill get it tuned. It runs pretty strong thats for sure but i havent found another camaro thats stock to run agaisnt. Ive noticed it does seem to have a fast ingintion start like the timing is advanced or something. Not extremly fast start but more than normal.
Old 10-22-2013, 07:58 PM
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Originally Posted by thefastfox
Typo it is 1800-1900rpm 80mph in 6th. Ill probably have it dynod after i put on the long tubes and dual 3" borla exhaust. Been pondering swapping to the 5.3 heads and ls6 intake. Then ill get it tuned. It runs pretty strong thats for sure but i havent found another camaro thats stock to run agaisnt. Ive noticed it does seem to have a fast ingintion start like the timing is advanced or something. Not extremly fast start but more than normal.
Don't bother with the 5.3 heads, you wont benefit much. Literally not wort the hassle to swap to. You'll get a raise in compression thats about it. Nice kill, those new mustangs are nice.
Old 10-22-2013, 09:14 PM
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Originally Posted by thefastfox
Typo it is 1800-1900rpm 80mph in 6th. Ill probably have it dynod after i put on the long tubes and dual 3" borla exhaust. Been pondering swapping to the 5.3 heads and ls6 intake. Then ill get it tuned. It runs pretty strong thats for sure but i havent found another camaro thats stock to run agaisnt. Ive noticed it does seem to have a fast ingintion start like the timing is advanced or something. Not extremly fast start but more than normal.
It's a lot more fun to beat 5.0's with just bolt ons. It makes 'em all pissy pants.
Old 10-22-2013, 09:28 PM
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Originally Posted by big hammer
It's a lot more fun to beat 5.0's with just bolt ons. It makes 'em all pissy pants.
I feel the same way about H/C ls cars
Old 10-22-2013, 10:09 PM
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Originally Posted by evangto87
i feel the same way about h/c ls cars
x2!!!!
Old 10-23-2013, 12:05 AM
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You're sure it was a 5.0? Just kidding, looks like you have a good running car!
Old 10-23-2013, 12:55 AM
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Originally Posted by thefastfox
Typo it is 1800-1900rpm 80mph in 6th. Ill probably have it dynod after i put on the long tubes and dual 3" borla exhaust. Been pondering swapping to the 5.3 heads and ls6 intake. Then ill get it tuned. It runs pretty strong thats for sure but i havent found another camaro thats stock to run agaisnt. Ive noticed it does seem to have a fast ingintion start like the timing is advanced or something. Not extremly fast start but more than normal.
If your car is an 02, it already has the LS6 intake. Good kills though!


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