Is CAI worth the $200+ ? - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 09-15-2003, 05:28 PM   #11
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Marty,

The kit that I purchased came with a nine inch cone K&N filter, and the relocation bracket for the PCM. The problem is our PCM is located inside the stock airbox (yup). Se when you pull it out it has to go somewhere.. the Thrasher kit includes the bracket and foam to secure the pcm inside the engine compartment below the thrasher box. Because the directions are for the GP you have to take a LOT of liberty with them. I purchased my kit with the intent on documenting everything I did so that us bonny owners can put one in if we wanted to, you are the first person to contact me with any interest, I was posting on bonnevilleattitude before and when the owner shut it down I did not want to go through the effort of reposting my pics, and directions. If you are interested PM me for more info. I can get you a more current pic that shows the piece of lexan I cut and how I moved it closer to the fender wall (the box). Since you are a fellow N/A owner I know you are interested in squeezing as much H/p has you can out of your 3800, this will help...in addition, it sounds damn nice...

Oh about putting the PCM in upside down, becuase the wire length going to the pcm is short, I had to flip it over to seat it securely on the foam that thrasher provided.
Mike
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Old 09-15-2003, 05:48 PM   #12
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Quote:
Originally Posted by mremer
Marty,

The kit that I purchased came with a nine inch cone K&N filter, and the relocation bracket for the PCM. The problem is our PCM is located inside the stock airbox (yup). Se when you pull it out it has to go somewhere.. the Thrasher kit includes the bracket and foam to secure the pcm inside the engine compartment below the thrasher box. Because the directions are for the GP you have to take a LOT of liberty with them. I purchased my kit with the intent on documenting everything I did so that us bonny owners can put one in if we wanted to, you are the first person to contact me with any interest, I was posting on bonnevilleattitude before and when the owner shut it down I did not want to go through the effort of reposting my pics, and directions. If you are interested PM me for more info. I can get you a more current pic that shows the piece of lexan I cut and how I moved it closer to the fender wall (the box). Since you are a fellow N/A owner I know you are interested in squeezing as much H/p has you can out of your 3800, this will help...in addition, it sounds damn nice...

Oh about putting the PCM in upside down, becuase the wire length going to the pcm is short, I had to flip it over to seat it securely on the foam that thrasher provided.
Mike
This should be a techinfo submission. If/when you get this written up i'm sure one of the mods will stick it there...

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Old 09-15-2003, 09:12 PM   #13
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Looks nice mremer, I have one in my 01 ssei, looks just like your install pretty much. I also have a gap that I want to fix. I am VERY interested in seeing what you did. And I didn't install my IAT relocation yet, what did you use to drill that hole and what size is it?

Interestingly, I did NOT have to flip my PCM, the wires were very short, but I made it work face up. I don't like that the pcm box only had 1 screw, I'm going to come up with something for the other side. Please let me see your lexon job.
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Old 09-15-2003, 09:13 PM   #14
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I also saved my cardboard mock-up and my template of how much I cut off to show anybody else interested in throwing in a Thrasher CAI in a +00 bonney. Pretty easy.
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Old 09-15-2003, 09:37 PM   #15
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Again, this should be written up so we can post it in the techinfo, by either of you.

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Old 09-15-2003, 09:54 PM   #16
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I would be interested in seeing pictures because this is one of my next mods
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Old 09-16-2003, 09:46 PM   #17
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OK, I will redo my step by step and include the directions and post everything tomorrow. Moderator can decide where to stick it....uh..you know what I mean.

My PCM wires were short, and the way Thrasher wants you to reinstall the PCM requires it to be seated on the foam they provide to ensure it is secure. By flipping the PCM there is more surface area for the foam to "grip", as a result I feel WAY more comfortable (it aint goin nowhere)

I forget all the technical jargon but I reused the ORIGINAL rubber piece coming off the throttle body so that the box would be closer to the fender wall. That is the main key, the second thing I did was trim the box to fit, I too made template drawings of everything before and after cut, whether or not I can find them is another question. IMHO I don't know if I would pay as much as I did for the Thrasher kit, knowing that it is basically a PLASTIC BOX with a big filter if you have any mechanical/technical ability at all about $50 at home depot, and $50 on a filter you can have about the same thing...dont ask what I spent originally on everything...including the IAT relocation harness.

Again, look for a link tomorrow AM for all the pics....
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Old 09-16-2003, 09:53 PM   #18
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Send the pertinent info to myself or jr's3800. We'll get it posted for you. Good work guys. One of the better threads I've seen...It'* really cool to see something like this come together.
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Old 09-16-2003, 09:56 PM   #19
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The first Bonneville forum I was a member of we had almost an identical discussion, after I made this MASSIVE post the owner/administrator shut the whole forum down (bonnevilleattitude.com) due to other circumstances. I will try to find everything as I posted it and repost tomorrow. Its going to be mostly pictures with little arrows and comments and what not. The updated pictures were taken today of the closed gap.
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Old 09-17-2003, 11:56 AM   #20
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as promised

http://ectinc2.members.atlantic.net/cai.htm

Enjoy, let me know if you have questions. Comments you can keep to yourself!

I will put these little tidbits out there.

Do I notice an improvement in performance?
Yes
Do I notice an improvement in MPG?
Yes
Does it sound good even on N/A 3800?
Yup
Was it easy to install?
Moderatly, I needed help from an equally mechanically incompentant friend.
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