Vid inside-how slow is my bone stock 99 T/A
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3.42 and retune set the shift 6200-6300rpm you'll think you added nitrous... ![Grin](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_grin.gif)
Are you sure your TB is opening all the way? I'm not joking I drove a couple of bone stock F-bodies with 2.73 but that was very slow 250-270rwhp maybe?
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Are you sure your TB is opening all the way? I'm not joking I drove a couple of bone stock F-bodies with 2.73 but that was very slow 250-270rwhp maybe?
Last edited by venom ws7; 06-01-2012 at 01:38 PM.
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It definetly feels choked off, meaning like it sounds like its running hard but as soon as you open it more than 1/2 or so and gets above 2k rpm it feels like something is holding it back....clogged cats? Its faster at half throttle than at WOT also by a large margin.
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I've experienced that very same thing in a chevy truck with 5.3 that turned out to be clogged cats.
You could check them with a back pressure gauge if you can get your hands on one. Like unit213 said, compression test and leak down test would be good idea as well. Theres quite a few things that can cause lack of power like that. i wouldnt spend any money on mods until you get it running 100%.
Do all the wheels spin freely with the car jacked up? Dont wanna overlook something dumb like a seized caliper or something.
You could check them with a back pressure gauge if you can get your hands on one. Like unit213 said, compression test and leak down test would be good idea as well. Theres quite a few things that can cause lack of power like that. i wouldnt spend any money on mods until you get it running 100%.
Do all the wheels spin freely with the car jacked up? Dont wanna overlook something dumb like a seized caliper or something.