GM Forum - Buick, Cadillac, Olds, GMC & Pontiac chat

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-   Performance, Brainstorming & Tuning (https://www.gmforum.com/performance-brainstorming-tuning-96/)
-   -   Need someone to go look at their SC Bonnie for me (https://www.gmforum.com/performance-brainstorming-tuning-96/need-someone-go-look-their-sc-bonnie-me-295838/)

tlsheff Oct 21, 2010 02:51 PM

Need someone to go look at their SC Bonnie for me
 
Dan, bill, this is up your alley. As you know we are putting a "new" engine into my GP, its from a 1999 bonnie.... the supercharger is APPARENTLY different, not by much but im in a :confused: state right now

tell me what the difference is, and what it goes to/does that I need to be aware of
Supercharger from 1999 Bonneville
http://i93.photobucket.com/albums/l7...P/IMAG0093.jpg

Supercharger from 1999 Grand Prix
http://i93.photobucket.com/albums/l7...P/IMAG0096.jpg

notice the TEE???? what the crap is it for???? im using the bonnie SC and need to know if I should cap it off, as its not used on the GP, or what

HAALLLPPP!!!!! :nm

BillBoost37 Oct 21, 2010 02:59 PM

First picture is of a charger off a 1997 motor. That's why the tee. If you cap those ports and setup all the vacuum lines like your 99 was, you will be perfectly fine.

It's a question of where you want to harvest the vaccum from, the T or the LIM port. Overall it's all the same though.

How I know the year of the charger, 1996 had coating on the outside of the charger body and a vacuum tree by the TB. 1997 had no coating on the body, only the snout and a vacuum tree by the TB. 1998+ had coating only on the snout like 97 and no vacuum tree by the TB.

tlsheff Oct 21, 2010 03:58 PM

Awesome thanks Bill... the tech hadnt even noticed yet, i've been helping him off and on because I love getting involved, and its my car haha... I pointed the differences out and he said we could just cap them, that on my 99 it probably wouldn't matter but i wanted to find out the reason for the extra lines before just capping them off lol

Danthurs Oct 21, 2010 08:00 PM

You can cap those vacuum Tees off, not a problem. But you will need to pull that vacuum from under the snout then. That's for the boost control and FPR


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