| 2004-2007 Cadillac CTS-V General Discussion Discuss everything about the first generation Cadillac CTS-V that does NOT fall into either the Performance or Appearance Modification category. | Cadillac Forums: Which is it? 6 qts or 6-1/2 qts? 
11-20-08, 04:24 PM
|  | Mods on hold till diff gets fixed. Cadillac(s): 2005 CTS-V  | | Join Date: Jan 2005 Location: South Lyon, MI Age: 60 | | | Which is it? 6 qts or 6-1/2 qts?
Just changed the oil ... and the filter, of course, a nice Fram TG-3506. I used a new 6 qt case of Mobil 1 5w30 and that gnawing question looms in my mind: Is it 6 qts or is it 6-1/2 qts?
Well, I put in just 6 qts. I believe it says that in my owner's manual, if I'm not mistaken, but I know many here who keep saying 6-1/2.
Where's the authority for the 6-1/2 number, anyway? Who does 6, and who does 6-1/2?
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'05 CTS-V, Stealth Gray, Sunroof, 3M Clear Bra, B&M Shifter w/UUC Bushings, Specter Werkes Bushings, V Headrests, Wheel To Wheel Powertrain Tune, Corsa, Kooks w/Hi-Flo Cats, Ultimate Grid Pedals, Hotchkis Anti-Sways, STS-V Fogs, Ground Control 650R/600F, WW Clear Sidemarkers, Full-Size Spare, Magnuson SC Polished, CTS Console, FG2, Aggressive Street Alignment, MOMO Shift Knob, DSS/Hendrix Engrg Axles, UUC Flywheel. Soon: UUC MMs. 472 RWHP/411 RWTQ (Mustang dyno). |
11-20-08, 04:25 PM
|  | Cadillac Owners Fanatic Cadillac(s): 04 Cadillac CTS-V...1996 Camaro SS w/500hp | | Join Date: Oct 2007 Location: Chicago,IL | | | Re: Which is it? 6 qts or 6-1/2 qts?
Well I always check the level after I refill. Depending on the filter size if you use an oversized filter then it will take a little more oil? |
11-20-08, 04:34 PM
| | Cadillac Owners Enthusiast Cadillac(s): BLK Maggied 05 CTS-V | | Join Date: May 2008 Age: 28 | | | Re: Which is it? 6 qts or 6-1/2 qts?
6.5, just did mine two week ago. |
11-20-08, 04:34 PM
|  | Drive It. Break It. Build it Better Cadillac(s): Platinum 2004 CTS-V | | Join Date: Apr 2008 Location: Indiana | | | Re: Which is it? 6 qts or 6-1/2 qts?
6 1/2 will get you to the next hole on the dipstick. Better safe than sorry
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Monster Stage 3 Clutch & 18 lb flywheel, B&B headers w/ hi flow cats, B&B xpipe & catback, Lingenfelter CAI, UUC Gen II Motor Mounts/Trans Mount/Shifter/Diff Bushing, Hotchkis Sways, BMR Trailing Arms & AWH Bushings, Hawk Pads, GM Assy Wheels, Stock Wheels, Drilled GM Rotors, Hendrix Axles, CAGS Elim, '06 Diff, Clear Fogs/Sidemarkers, Tuned by Brent @ EPP on mustang dyno @ 378rwhp/366tq |
11-20-08, 04:47 PM
| | Banned Cadillac(s): 05 CTS-V | | Join Date: Jul 2008 Location: south jersey | | | Re: Which is it? 6 qts or 6-1/2 qts?
done mine twice with a normal acdelco filter.... 6 1/2 |
11-20-08, 04:59 PM
| | Cadillac Owners Fanatic Cadillac(s): '05 Stealth V | | Join Date: Aug 2008 Location: Connecticut Age: 29 | | | Re: Which is it? 6 qts or 6-1/2 qts?
I did 6 even on my first oil change, and in around 3-4k miles got a low oil warning.. tossed in another 1/2qt and she was mint. My second oil change is in 800ish miles and I'll probably just do 6.5, afaik the only real reason not to overfill oil is it will leak out of the crank-seals which don't seal against gravity. So if you put in too much and at rest (or while cornering) the fluid level reaches up and out of the oil pan it would just start leaking out all over the place. |
11-20-08, 06:16 PM
| | Cadillac Owners Member Cadillac(s): Cadillac | | | | | Re: Which is it? 6 qts or 6-1/2 qts?
7 quarts with filter change. If the engine is a NorthStar.
Also Fram NO longer is that great an oil filter.
Use Baldwin, if you wish to use a GOOD brand. |
11-20-08, 06:18 PM
|  | Moon Parasite Cadillac(s): 2006 STS-V BlackonBlack / 2005 CTS-V Redline (traded in) | | Join Date: Dec 2005 Location: D/FW Tejas | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by gtohrl  7 quarts with filter change. If the engine is a NorthStar.
Also Fram NO longer is that great an oil filter.
Use Baldwin, if you wish to use a GOOD brand. |
The CTS-V runs a Corvette engine. LS6 or LS2
The engine holds 6 and another half usually sits in the filter.
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11-20-08, 06:53 PM
| | BLING IS AMERICAN RICE Cadillac(s): '04 CTS-V | | Join Date: Jun 2004 Location: Just North of Titletown... | | | Re: Which is it? 6 qts or 6-1/2 qts?
Might as well run 1 quart and let the engine blow if you're running a Fram filter...
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11-20-08, 08:18 PM
| | Mods on hold till diff gets fixed. Cadillac(s): 2005 CTS-V | | Join Date: Jan 2005 Location: South Lyon, MI Age: 60 | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by thebigjimsho Might as well run 1 quart and let the engine blow if you're running a Fram filter... | Yeah, but it's a Tough Guard Fram filter. I go to AutoZone, and that's all that they have.
Is there some esoteric, super-secret oil filter I'm suppose to be using that I've never heard about? |
11-20-08, 08:19 PM
|  | Cadillac Owners Connoisseur Cadillac(s): 2005 Redline CTS-V, 1997 Catera | | Join Date: Mar 2007 Location: Purdue University | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by rand49er Yeah, but it's a Tough Guard Fram filter. I go to AutoZone, and that's all that they have.
Is there some esoteric, super-secret oil filter I'm suppose to be using that I've never heard about? | Factory filters are the way to go!
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11-20-08, 08:39 PM
| | Cadillac Owners Fanatic Cadillac(s): 2005 CTS-V | | Join Date: Oct 2008 Location: The City | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by rand49er Yeah, but it's a Tough Guard Fram filter. I go to AutoZone, and that's all that they have.
Is there some esoteric, super-secret oil filter I'm suppose to be using that I've never heard about? | Not so super secret, but I've exceptional results with either Mobil 1 or K&N Gold oil filters. They're both very robust and appear to be the exactly the same with the exception of cosmetics and the nut on the K&N.
Cory |
11-21-08, 01:12 AM
| | BLING IS AMERICAN RICE Cadillac(s): '04 CTS-V | | Join Date: Jun 2004 Location: Just North of Titletown... | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by SkullV Factory filters are the way to go! | Quote:
Originally Posted by SFBayV Not so super secret, but I've exceptional results with either Mobil 1 or K&N Gold oil filters. They're both very robust and appear to be the exactly the same with the exception of cosmetics and the nut on the K&N.
Cory | AC Delco and Mobil 1 both have good results. I've seen good and bad for K&N but I need to find those studies. Fram has been repeatedly shown to be among the worst filters ever... |
11-21-08, 07:43 AM
| | Mods on hold till diff gets fixed. Cadillac(s): 2005 CTS-V | | Join Date: Jan 2005 Location: South Lyon, MI Age: 60 | | | Re: Which is it? 6 qts or 6-1/2 qts?
Quote:
Originally Posted by thebigjimsho ... Fram has been repeatedly shown to be among the worst filters ever... | Coming up on four years with my car, and NOW he tells me. 
Just glad I didn't get a case of 'em. |
11-21-08, 09:15 AM
| | Cadillac Owners Fanatic Cadillac(s): 2006 Cadillac CTS-V | | Join Date: Nov 2008 Location: Upstate SC Age: 28 | | | Re: Which is it? 6 qts or 6-1/2 qts?
where do you find studies on oil filter performance? I can see that information winning me a bar bet one day. | | Cadillac Discussion Tools | | | 
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