: HI everybody

01-03-09, 10:29 AM
I'm new to the site and to the Cadillac world...I have joined to meet and learn from fellow caddy owners and I hope to learn a lot about my Cadillac. Ill start off by telling you a little bit about myself.....My names Steven i live in Saginaw Michigan...i have one older sibling and 2 younger siblings there ages range from 25 to 8 I'm 21 myself and as far back as my mind can go iv been working on cars and playing matchbox cars lol. not that i play with them anymore. iv owned 166 cars since iv been 16 a lot of them have been rebuilt repaired and sold i average a new car about every 15 days ...now on to my Cadillac. I bought a dark forest green 92 Cadillac STS the car is in mint condition besides a blown motor...it has the 32v north* badging but has a 4.9l v8 was told it was not the original motor. I have a 97 north* motor that i wanted to know if i could swap that into my 92 if you know if its a direct fit please lmk thanks STEVE

01-03-09, 10:38 AM
:welcome: thats a $hit ton of cars to have been through for your age. lol can't wait to see what haooens with the STS

01-03-09, 11:14 AM
:welcome5: to the forums. Good luck with the engine swap, and 10/10 on the introduction. :D

01-03-09, 11:47 AM
your insurance company must love you! lol

Lord Cadillac
01-03-09, 12:39 PM
Welcome aboard! Thank you for signing up! Be sure to post your question in the Seville forum!

01-03-09, 12:59 PM
Welcome, nice STS!

166 cars?? Sounds like playdrv4me has met his match.

01-03-09, 07:04 PM

01-03-09, 09:07 PM
:welcome: Glad to see more young Cadillac Enthusiasts coming around every day. :cool2: Since your interested in engine work, I'll be more then glad to share with you what I know.

Since its a '92 the 4.9L is most certainly the original engine. Sounds like someone just slapped a N* logo on it. :thepan:

The Northstar and 4.9 are completely different animals, a swap between the two would take a ton of time and money (est. over $5,000 easy) to do, but if there's a will, there's a way.

Don't let the 200hp rating on the 4.9 fool you though, because it's torque is what will surprise you. It churns out 230lb-ft of torque at IDLE and 275lb-ft at 3600rpm, capable of pulling the '91 Deville Touring Sedan to 60mph in a spirited 7.5 seconds. Compare that to the 300hp 2008 DTS which runs the 0-60 in about 7.0 seconds, and you'll see the 4.9L is quite a capable little engine.

And if your not satisfied with that, there's a whole world of 4.9 mods/modders here, myself being one of them, who have 4.9's that can run side by side with even the likes of LT1 Camaros. In fact, it would be most likely cheaper to make the 4.9 more powerful then to put a Northstar in a '92.

Now that you've stumbled upon our enchanted kingdom here, you'll find libraries of information about any project you seek to undertake, and legions of knowledgeable individuals to help you.

Good luck and once again :welcome:!

01-03-09, 09:17 PM
Rodya and his unicorn "DTS"

i know a few LT1 Camaros running 383 Strokers that would eat your 4.9 alive lol, they wouldnt even waste the gas to run you let alone how bad theyd shame you
heck stock they are good for 14.5 all day, when I see a high 16 second 4.9 yank almost 2 secs off its 1/4 with a "CIA" ill prepare for the rest of the world to freeze over...
not to mention any LS1 will run you like your standing still lol

just messin
that aside welcome to the board

01-03-09, 09:39 PM
If you still think the '91 DTS is a unicorn, I have something you should watch:

YouTube - MW 1991 Cadillac Deville Touring Sedan Road Test

01-03-09, 09:45 PM
rofl dead link 1st off

and allow me to 2nd that with a N*....

ughhh yea...
0-60 5.7 ummm hummm

and ill take an 03 MRC STS over a DTS with even pre cvrss....
(and the comment unicon was about a DTS keeping up with a LT1, of course the 91 DTS has an amazing 7.5 0-60 time.... AMAZING!!!)

01-03-09, 09:47 PM
i also tend to think the guy in the fbody
is MUCH better off

01-03-09, 11:41 PM
my brother has a '98 Firebird trans am with the WS6, (LS1 of course, none of that V6 non-sense.) one of the rarer purple ones. He can run a high 12 in the quarter, but on those night cruises from Champaign to Chicago, we can keep up with him till about 140mph when the Deville starts to run out of juice. So as a drag car, my Deville isn't impressive compared to a stock SBC, but she most certainly can stick with one. Not bad for a Cadillac.

Back to the topic, I never said a 4.9L, even modded, was faster then a N*. (which you've already proved is just as fast if not faster then a LT1.)
I did compare the 4.9L '91 touring sedan to a DTS, but the 08 DTS is rather sluggish compared to it's stablemates.

I did however, suggest that modding a 4.9L would be comparable as well as being less expensive then a Northstar swap. The less expensive part is undeniable fact.

The comparable part: A Northstar can run the 1/4 in the 13's. My 4.9 runs a low 14 on average. The are 4.9's in Fieros, with stock 4T60-E's, making 300hp or greater at the wheels, that can run a low 12.

01-04-09, 11:28 AM
Hello and :welcome: to the forum.

01-04-09, 12:30 PM
wow guys i can truly say iv been a member of SEVERAL car forums and by far are you guys the greatest for welcomes....only reason i decided to go with the n* swap was cuz I all ready have a N* with 58k miles that i picked up for 150 dollars ....if someone has a modded 4.9l they would be interested in trading me im sure id be glad to trade .....Iv always wanted a Elderado but when i come across this STS for a 100 dollars....isn't that a fu$king steal so i had to pick the beast up

01-04-09, 12:34 PM
DAYUM 100 bucks was a steal and a half, not to mention 150 bucks for a northstar!

01-04-09, 12:46 PM
thats what im saying i was a deal of a life time.....so if anyone wants to trade this N* for a 4.9L LMK

01-04-09, 01:12 PM
you could do a n* in that car not too hard
you have obd1
contact fastchips about a custom prom
prob need the N* tranny as well

01-04-09, 09:59 PM
i also tend to think the guy in the fbody
is MUCH better off

That's probably his sister.

01-04-09, 11:05 PM
The F-body might impress a bunch of girls, but only in the Cadillac can you take them all home. :lildevil:

01-05-09, 11:10 AM
correct me if I'm wrong but didn't Cadillac put the N* in a limited amount of STS in 92 ..I'm really trying to figure out how that badge got there the guy told me he didn't put it on that it was already there so idk

01-05-09, 11:22 AM
only late late LATE 92 Allantes got the N* as part of the Indy Pacecar deal

likely the trunk was wrecked and they replaced it with one from a N* car as it was already the same color

01-05-09, 12:01 PM
=( i want the N*

01-05-09, 12:02 PM
ok ok i understand now...the trunk is kinda jacked and shit but I'm sure it will be fixed by the time I'm done with it since i used to work for a body shop. so far just from this post iv already learned so much about this car ....now my next question is what should i look for on motor ..id like to upgrade to the n* would it work if i went and got a main wiring harness and an ECM...and if i do that is the transmission capable of holding the horsepower of the N*

01-05-09, 12:14 PM
the only issue i see you having is making sure you get a vin 9 ecm
as everything in your car was used on the N* but since you have an STS you have the computer controlled suspension which the vin 9 ecm is set up for

01-05-09, 06:04 PM
were would the ecm be located under the dash or what....the local junkyard has a couple 93-95 N* out there and the 8th digit in the vin code would be 9

01-05-09, 10:17 PM
You will need to change transmissions to a 4T80-E, as the 4.9L you have now uses a 4T60-E. Despite being very similar to a 4T80-E, the 4T60-E will not mate to a N* without custom modification.

Provided you find a ECM from a '93 STS, you shouldn't really have a problem with the ECM. The '93 STS had the road-sensing suspension, so the ECM may look for some sensory output from there. The '92 STS has the speed sensitive suspension system. Since the '97 N* your using is a OBD-II (OBD-II was made mandatory in '96) it may be looking for certain outputs from the ECM, and if you need a '97 ECM for engine compatibility, you may run into some problems with that.

01-07-09, 05:46 PM
screw it...its not worth my time to try and put a N* in the STS im just gonna put the 4.9l back into it and make sure it runs good

01-10-09, 06:51 AM
You'll be satisfied with a 4.9, I know many of it's owners are. :yup:

Here's an acceleration video from a '92 STS 4.9. It's most certainly the fastest 200bhp I've ever seen.

YouTube - 1992 Cadillac Seville STS 4.9 PFI launch

01-10-09, 08:49 AM
You'll be satisfied with a 4.9, I know many of it's owners are. :yup:

Here's an acceleration video from a '92 STS 4.9. It's most certainly the fastest 200bhp I've ever seen.

YouTube - 1992 Cadillac Seville STS 4.9 PFI launch (http://www.youtube.com/watch?v=Z_8Ot34iYaw&feature=related)

thats fast?
wow man a 305 93 Fleet (non lt1) hauls more than that i think

01-10-09, 09:45 AM
The LO5 350ci '93 Fleetwood has a 0-60 time of 10.5 seconds.

The featured STS gets to 100mph in the same time. With a 0-60 time of 6.7 seconds from the time the car first moves (at 1.9 seconds in) till the needle gets to 61. Assuming that the video isn't sped up.

01-10-09, 09:51 AM
above 60 that thing moves like a paraplegic horse...

01-10-09, 12:16 PM
above 60 that thing moves like a paraplegic horse...

You wish your car redlined at 5k RPM

01-10-09, 02:07 PM
thats fast?
wow man a 305 93 Fleet (non lt1) hauls more than that i think

Well, the two engines are almost the same size. 300CID vs. 305CID.