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Is the GXP northstar the same as the cadillac northstar?

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Old 12-16-2005, 06:27 PM
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Default Is the GXP northstar the same as the cadillac northstar?

Okay, I was looking for performance items, and I found RSM racing'* website. THey don't list the GXP. BUT, they do list the STS which is a northstar, right? Does their 80mm throttle body bolt on, or is it different?

Also, I tried to find a used one on ebay ($500 for a TB? wtf???), and I saw this:

http://cgi.ebay.com/ebaymotors/ws/eB...tem=8023272748

Will it work on my GXP? And another question (I know I know), is there a bolt on supercharger kit available anywhere???
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Old 12-16-2005, 06:37 PM
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the Pontiac N* is a detuned Cad version... and there is no SC kit, but ned STS-V has a blower, but i believe extensive chnages need to be made to get it to work
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Old 12-16-2005, 06:45 PM
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Originally Posted by 1993 SLE
the Pontiac N* is a detuned Cad version...
so does that mean that throttle body will work on it? I know there are a couple diferent versions of the northstars in the caddies..
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Old 12-16-2005, 07:02 PM
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Originally Posted by 1993 SLE
the Pontiac N* is a detuned Cad version...
Not exactly, the Cadillac Seville SLS and Deville Base and DHS models got the same 275hp V8 Northstar
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Old 12-17-2005, 03:36 PM
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Listen guys... I have the stats here-
LD8 Applications
Eldorado ESC 199?-2002 N* LD8
Seville SLS 1998-2004 N* LD8
Deville/DHS 2000-2005 N* LD8
Bonneville GXP 2004-2005 N* LD8
Lucrene CXL (V8 model)/CXS 2006-N* LD8
DTS (anything but performance pack) 2006-? N* LD8
L37 Applications
Eldorado ETC 199?-2002 N* L37
Seville STS 2000-2003 N* L37 (note no Seville STS was made in 04 just SLS)
Deville DTS 2000-2005 N* L37
DTS **performance package only** 2006-? N* L37 (not optional on any other DTS)

The L37 is only put on Cadillac'*. Now the LD8 can be used in non-Caddy products, Bonneville GXP was the first. Please note the L37 is the higher performance N* and the LD8 is the entry level N*. No it is not detunded same motor going in the new DTS w/o performance package! Its a Cadillac N* no doubt.
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