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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 09-25-2004, 11:30 PM   #1
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Default Headers: A Man'* Toy

Yeah I was thinking about getting ported manifolds a few months back, but screw it I've secretly been getting ready for what I just finish for the past 2 weeks: SLP Headers.

First off, anyone else do this to a pre 2000 Bonneville? Because it was a PITA! We had to cut off part of a bracket that was holding a small 4" strut that probably absorbed some vibration from the trans. I asked a 2000 owner and they said it wasn't in their car and the GTP owner who helped me doesn't have this. Why must Bonnevilles be such a pain?!?!?

Our guess was this might have been to prevent wheel hop...screw it I'll be fine (fingers crossed).

Otherwise a LOT of tranny fluid spilled out when the trans tube was removed to replace it with the W-body one, so the system was semi-flushed.

Enough of me though, enjoy the pictures!!!!



Using stock CAT for now:


Short extension from CAT to resonator (keeps the sleeper sound):


Next? 3.2" pulley for sure! My boost is down to roughly 9.5 when I went WOT in 2nd at 60mph; used to be 11.5psi...I think. Also gonna move down to Autolite 103 plugs gapped at .050 and finally I need the rear o2 sensor spoof since its throwing a code asking due to no rear o2 even plugged in. It was a bloody mess, but cleaned up nicely in the end....I'll never do it to a Bonneville again.
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Old 09-25-2004, 11:32 PM   #2
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That'* the front tranny mount you modified, I made mine solid with no known ill effects....
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Old 09-25-2004, 11:51 PM   #3
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Quote:
Originally Posted by Damemorder
That'* the front tranny mount you modified, I made mine solid with no known ill effects....
All I removed was the mini shock absorbor and the top part of the bracket that held it in...I'm thinking I should be fine.
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Old 09-25-2004, 11:57 PM   #4
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Glad you got it in, looks good. I see you wrapped the flexpipe as well. How does it sound?
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Old 09-25-2004, 11:59 PM   #5
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Flexpipe still ticks. Not bad, but the sound is still there.

Also I put the rear header on from the bottom.
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Old 09-26-2004, 12:15 AM   #6
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Kyle, are those coated headers, or do you plan to wrap them sometime?
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Old 09-26-2004, 12:40 AM   #7
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Oooo! Shiny new toy.
So after the 3.2 what do you hope for at the track?
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Old 09-26-2004, 05:16 AM   #8
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They are ceramic coated. Hoping for 13.7'*.
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Old 09-26-2004, 04:05 PM   #9
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whats next after the 3.2?
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Old 09-26-2004, 04:24 PM   #10
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IC and drag slicks.
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