Dallas Fort Worth 5.0 Mustang Club
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Dallas Fort Worth 5.0 Mustang Club (http://www.dfw50s.com/index.php)
-   Performance (http://www.dfw50s.com/forumdisplay.php?f=30)
-   -   gut stock cats or buy deletes? (http://www.dfw50s.com/showthread.php?t=3910)

DirtyD 03-30-2014 12:42 AM
Quote:
Originally Posted by garner (Post 68286)
Nope

That's because you didn't run a tune on it. Lol

Get it tuned for no cats and it's noticeable.

garner 03-30-2014 02:06 AM
Quote:
Originally Posted by DirtyD (Post 68325)
That's because you didn't run a tune on it. Lol

Get it tuned for no cats and it's noticeable.
It's been tuned for over a month now lol. And to the track. Same times but 1ish mph more trap speed. Wheels and tires were also changed, different weather too
Quote:
Originally Posted by garner (Post 64739)
First trip to the track with tune, only netted a best of 12.8@111, so basically the same time as without a tune

Non tune on the left, tune on the right
http://i1024.photobucket.com/albums/...psd8zevvzk.jpg
Wheels/tires went from 275/40 sumitomo htr z3 on 19x10 AMR wheels to 235/55 yokohama yk580 on 18x8.5 factory gt/cs bullits

DirtyD 03-30-2014 02:58 AM
Quote:
Originally Posted by garner (Post 68336)
It's been tuned for over a month now lol. And to the track. Same times but 1ish mph more trap speed. Wheels and tires were also changed, different weather too


Wheels/tires went from 275/40 sumitomo htr z3 on 19x10 AMR wheels to 235/55 yokohama yk580 on 18x8.5 factory gt/cs bullits

If you didn't notice anything, then something was wrong. Tune and deleting cats are the two biggest N/A power mods

garner 03-30-2014 03:31 AM
Quote:
Originally Posted by DirtyD (Post 68342)
If you didn't notice anything, then something was wrong. Tune and deleting cats are the two biggest N/A power mods
My butt dyno is probably broken lol

re-rx7 03-30-2014 04:28 PM
Ive heard of stock cars with no tunes making a big diff with cat deletes.

re-rx7 04-03-2014 09:50 PM
Just got the ORH on some difference in middle of rpm band. Sent off for new tune to go with the H. Will report back then.


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