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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 06-17-2009, 12:32 PM   #1
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Cool Stopping by ZZPerformance today.

I planned on getting my PCM reprogrammed by them, its only 100 straight up and free install.

What else should i get done while im there, i dont want to spend over 350.

So i was thinking a downpipe and high flow cat possibly?

Is there any other cheaper supporting mods i need to help with the computer? I already have a heavy duty 180* T-stat.
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Old 06-17-2009, 12:47 PM   #2
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need some suggestions quick, im leaving pretty soon!
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Old 06-17-2009, 02:01 PM   #3
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DP and CAT wont run under 250 with the $100 PCM

a pcm will be a nice wake up for your car

maybe a new pulley??!!?? liek a 3.5 or 3.6?
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Old 06-17-2009, 08:47 PM   #4
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Okay so i just got my PCM reprogrammed today, and to tell you the truth, i dont feel much gain.

Throttle response doesnt blow me away and nothing really feels "faster".

My SES light did go off though and i guess its better for my transmission in the long run.

Overall im not too impressed.

next time i will be getting a downpipe and high flow cat, it will around 300$ they said, installation included.
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Old 06-17-2009, 09:58 PM   #5
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Most of the difference will be at WOT
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Old 06-17-2009, 11:15 PM   #6
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yes i know this, but when i kicked it on the highway it seemed the same as before i did it, maybe its just in my mind who knows.
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Old 06-17-2009, 11:20 PM   #7
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Do you have performance shift on? When you floor it what are the shift points? You should be shifting around 6000
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Old 06-18-2009, 12:31 AM   #8
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02 Bonnevilles did not come with performance shift. when i floored it on the highway i got to almost 6K.
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Old 06-18-2009, 05:53 AM   #9
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First off congrats on your 2nd mod. Secondly keep in mind all u have is the tune and the t-stat. Its been my experience that each mod builds on your cars performance. Everything works together to make ur car that much better. Just keep modding. One day you'll drive someone elses car and then get back into your own and think "holy crap my car is a BEAST compared to that other one."LOL
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Old 06-18-2009, 08:24 AM   #10
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That is very true. I got in a slightly modded Bonnie and I'm like wow, was mine this slow?
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