| Northstar Performance and Technical Discussion Performance discussions relating to the Northstar System (intake, exhaust, cam, etc.). | Cadillac Forums: 300hp N* to a Base N* 
07-04-08, 11:37 AM
|  | Cadillac Nut Bag Cadillac(s): 00 DTS, 90 Brougham, 81 X3 Black FWBC Delegance, 96 FWB  | | Join Date: Oct 2005 Location: Billerica MA Age: 21 | | | 300hp N* to a Base N*
WIll a base northstar work in a DTS with the HO northstar?
I found a pretty good deal on another 00 DTS, needs a motor, and also a good deal on a motor, but its from a base 05 |
07-04-08, 11:58 AM
|  | Zeeee-yaaaa Cadillac(s): 07 STS 1SG, 03 STS, 74 Eldo, 98 Z28, PAST: 97 ETC | | Join Date: Oct 2005 Location: Cheswick, PA Age: 23 | | | Re: 300hp N* to a Base N*
Will it bolt in
yea
will you have some other issues like it not running properly due to the variance in cams
yea
if you get the DTS and put the base motor in with the DTS heads then youll be just fine but keep in mine then you pretty much doing headgaket repair |
07-04-08, 03:02 PM
|  | Cadillac Owners Enthusiast Cadillac(s): Cadillac STS (2006) | | Join Date: Feb 2008 Location: Mount Pleasant, SC Age: 59 | | | Re: 300hp N* to a Base N*
"Sub" you out there; what say you. I'm thinking it should be fine (but I yield to the more experienced). |
07-04-08, 03:03 PM
| | Zeeee-yaaaa Cadillac(s): 07 STS 1SG, 03 STS, 74 Eldo, 98 Z28, PAST: 97 ETC | | Join Date: Oct 2005 Location: Cheswick, PA Age: 23 | | | Re: 300hp N* to a Base N*
ouch
i believe thats a burn on me.... |
07-04-08, 03:45 PM
|  | If it won't run, chrome it..... Cadillac(s): 2002 Cadillac F55 STS/53000mi., 2004 Ford F150 Super cab 4x4 | | Join Date: Feb 2006 Location: Maryland upper Eastern Shore Age: 69 | | | Re: 300hp N* to a Base N*
C&C, STS2003 has a couple of good points, and quite frankly I have no experience swapping a 2000 4.6 with a 2005. From reading CF threads concerning different years/models, the install you're contemplating could be done, but there will be some mechanical and electrical/electronic hoops to jump through. There were camshaft and engine controls changes over those 5 years. It doesn't appear to be a bolt-in, and may present some problems to be worked out. My .02 . (Best bet? Go to a closer year motor/transmission, if possible.....01 or 02.) |
07-04-08, 04:05 PM
| | Cadillac Owners Connoisseur Cadillac(s): Member of Air Fuel Tuning (Cadillac Division) | | Join Date: Apr 2007 Location: Inside The Northstar PCM Age: 41 | | | Re: 300hp N* to a Base N*
The VIN Y (275hp) will make More Power than the VIn 9 300hp oh I mean the 292hp will in that car. I would look for a 2002 to 2005 VIN Y engine |
07-04-08, 04:20 PM
| | Zeeee-yaaaa Cadillac(s): 07 STS 1SG, 03 STS, 74 Eldo, 98 Z28, PAST: 97 ETC | | Join Date: Oct 2005 Location: Cheswick, PA Age: 23 | | | Re: 300hp N* to a Base N*
more power down low you mean AJ |
07-04-08, 04:27 PM
| | Cadillac Owners Connoisseur Cadillac(s): Member of Air Fuel Tuning (Cadillac Division) | | Join Date: Apr 2007 Location: Inside The Northstar PCM Age: 41 | | | Re: 300hp N* to a Base N*
Quote:
Originally Posted by CadillacSTS2003  more power down low you mean AJ | YES anything below 5100 rpm's, but you run your car over 5100 constantly correct. You never drop below 5100.  |
07-04-08, 04:29 PM
| | Cadillac Owners Connoisseur Cadillac(s): 98 sls | | | | | Re: 300hp N* to a Base N*
These cars definitely need the lowend.
Would it be possible to swap over the new PCM and harness or is that a total fockin nightmare? |
07-04-08, 07:13 PM
| | Zeeee-yaaaa Cadillac(s): 07 STS 1SG, 03 STS, 74 Eldo, 98 Z28, PAST: 97 ETC | | Join Date: Oct 2005 Location: Cheswick, PA Age: 23 | | | Re: 300hp N* to a Base N*
AJ
lets just say theres a reason why my STS gets at BEST 14 mpg
and CV
no that would make matters even worse the new pcm wouldnt be ready to accept the 3.71 gears and would throw a constant CEL lamp |
07-04-08, 07:45 PM
| | Cadillac Owners Connoisseur Cadillac(s): 98 sls | | | | | Re: 300hp N* to a Base N*
Would it fock up the shift scheduling or is that done via RPM on these motors? WHY would it throw a CEL? Could a idiot with a tech 2 or similar change the RAR setting if there is one? |
07-04-08, 08:35 PM
| | Cadillac Owners Connoisseur Cadillac(s): Member of Air Fuel Tuning (Cadillac Division) | | Join Date: Apr 2007 Location: Inside The Northstar PCM Age: 41 | | | Re: 300hp N* to a Base N*
It is just a cam swap. |
07-04-08, 09:16 PM
| | Cadillac Owners Member Cadillac(s): White Diamond '03 DHS | | Join Date: Jun 2004 Location: Woodstock Ill. Age: 61 | | | Re: 300hp N* to a Base N*
What about the mismatched final drive? |
07-04-08, 10:51 PM
| | Cadillac Owners Connoisseur Cadillac(s): Member of Air Fuel Tuning (Cadillac Division) | | Join Date: Apr 2007 Location: Inside The Northstar PCM Age: 41 | | | Re: 300hp N* to a Base N*
Quote:
Originally Posted by Ranger What about the mismatched final drive? |
I was thinking he had an STS not an SLS.  | | Cadillac Discussion Tools | | | 
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