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Engine oil question. Posted By: Silver2000WS6 On: 01-04-2008 @ 22:22:39 Reply | Edit I'm gona change the oil in the LS1 car. What weight oil do you use? Is 10-30 OK? --  
 2000 WS6 Trans AM 1994 25Th Anniversary Trans AM P-1SC Procharger with 8 Lbs. boost twin intercoolersPosted By: Z28LS1KID On: 11-11-2005 @ 10:30:18 Reply | Top | Edit I use Mobil 1 fully synthetic 5w-30. Can't go wrong. -- 
 2000 SSM Camaro Z28 - A4 - T-Tops - Black Leather
Anthony -- 13.31 @ 105.83 Mods: SLP Lid - Smooth Bellows - CAI - K&N Filter - LM Catback - STB - BFG G-force tires - Optima Red Top - GM 8" Fixed Black Antenna
Posted By: kungfuteabag On: 11-11-2005 @ 11:15:05 Reply | Top | Edit  Thats what it says on the oil cap and the manual.-- 99 Z28 M6, No Options, Free Ram Air, SS ELiminator, TB Bypass, Holley Power Shot, SLP Air Lid, Vortex Muffler, FTRA, Pro 5.0 w/short stick, Mac Headers w/Carsound Cats, !EGR, NGK TR55 plugs w/ Taylor wires, LS1 Edit Tuning and K&N Breather. 321.69hp, 331.91 tq.  Posted By: Silver2000WS6 On: 11-11-2005 @ 21:11:54 Reply | Top | Edit I bought the car used. I didn't even think to look on the oil cap. Thanks Mike S. Westville, NJ. --
2000 WS6 Trans AM 1994 25Th Anniversary Trans AM P-1SC Procharger with 8 Lbs. boost twin intercoolersPosted By: PongoX11 On: 11-12-2005 @ 17:30:36 Reply | Top | Edit I use Redline 10-30. Never hurts to run a slightly heavier oil -- 
Pics and Specs 531RWHP/477RWTQ Only bolt ons! ...technically everything used a bolt to install Posted By: Silver2000WS6 On: 11-12-2005 @ 19:04:48 Reply | Top | Edit I bought Mobil 1 5w/30.Put that in.Just to be safe. PongoX11. Thats one hell of an F Body you have there. --
2000 WS6 Trans AM 1994 25Th Anniversary Trans AM P-1SC Procharger with 8 Lbs. boost twin intercoolersPosted By: SLP94TA On: 11-12-2005 @ 21:21:28 Reply | Top | Edit I use Mobil 1 fully synthetic 5w-30 with a Napa gold filter. -- 1999 Pewter Pontiac Trans Am: auto/lthr/t-tops/loaded/32k Magnaflow catback - MTI clear lid - K&N 1994 Maroon Pontiac Trans Am: auto/lthr/t-tops/loaded/108k - Sold 5/6/05  Posted By: ksteffen99Z On: 11-14-2005 @ 23:26:17 Reply | Top | Edit Same here mobile 1 synthetic with a good filter. Someone said a heavier oil never hurts. I am a mechanic for chrysler. Most of their new engines including the hemi require 5w20. If you put 5w30 in it it will set the oil pressure light because the tolerances are too tight for the 5w30 to work thru the motor quick enough. They specify oil weight for a good reason. 10w30 won't hurt in this case, but best to stick with the recomended oil weight. And paying the extra $ for mobile 1 synthetic to me is peace of mind knowing you are using the best oil you can buy. Just depends on your goals for the life of the carhow long you are going to keep it but any decent brand oil and filter and regular service will keep it going for a while. -- 99Z28 6 Speed, Comp Cams 222in,224ex .566in .568ex 112lsa Comp 918 springs, comp pushrods, K&N Complete Intake, Egr "Free Mod" Pacesetter Coated LTs 2 12 Custom Ypipe, Deleted Cats, Flowmaster Weld in subframes, dyno tuned to 342.4 hp and 348.3 ftlb Posted By: narc On: 11-15-2005 @ 14:18:28 Reply | Top | Edit im running 6qts if 5W40 AMSOIL european formula synthetic and a longer K&N gold filter. The shear ratings outperform any on the market and drain intervals are 25K. One oil change a year 
used to run M1 5W30 and it is a good oil..AMSOIL has outperformed M1 though -- 02 WS6 black on black MTI clear lid-fra-160 thermo-tranny cooler-loudmouth Posted By: assbreeze On: 11-16-2005 @ 01:41:43 Reply | Top | Edit If you're seriously only changing your oil every 25,000 miles you're going to be in for an expensive surprise down the line. Go back to the Mobil 5W-30 and change it every 3-4k. -- Black '98 Firebird Formula M6 Info/Pics: http://members.cardomain.com/tailwind Posted By: kungfuteabag On: 11-16-2005 @ 09:04:04 Reply | Top | Edit Does it actually say 25000 oil change intervals? When it comes to things like oil I go with a tried and true method like assbreeze said, Mobile 1 5W-30 every 3-4k. -- 99 Z28 M6, No Options, Free Ram Air, SS ELiminator, TB Bypass, Holley Power Shot, SLP Air Lid, Vortex Muffler, FTRA, Pro 5.0 w/short stick, Mac Headers w/Carsound Cats, !EGR, NGK TR55 plugs w/ Taylor wires, LS1 Edit Tuning and K&N Breather. 321.69hp, 331.91 tq. Posted By: saint On: 11-16-2005 @ 09:29:50 Reply | Top | Edit -- -={ Singer/Songwriter | Santino -={ Graphic/Web Designer | Owner of Saint-Design.com 
-={ 2000 Trans Am - Pewter Metallic - M6 - Lid, CAI, K&N, Bellows, QTP LT's, Custom ORY, Dual QTEC Cutouts, SLP LM Catback, Textralia Clutch, !EGR, !AIR - [Car Domain] }=- Posted By: ZeeSNuttS On: 11-16-2005 @ 11:05:24 Reply | Top | Edit 10-40 royal purple synthetic, -- $ZeeSNuttS$ 2000 BLK Zee28 A4 SSRA,LID,LM,SHIFT KIT  Posted By: narc On: 11-16-2005 @ 16:43:52 Reply | Top | Edit well when i use the mobil one for 3K it comes out black bc it is burning up at high temps..this AMSOIL does not break down at higher temps and keeps its 5W40 viscosity no matter what..with the M1 5W30 i was burning a quart every 3K and it was coming out black..the AMSOIL says every year or 25K but ill keep an eye on the color and consumption to determine when to do a change..you guys should really look into amsoil. -- 02 WS6 black on black MTI clear lid-fra-160 thermo-tranny cooler-loudmouth Posted By: kungfuteabag On: 11-16-2005 @ 19:02:30 Reply | Top | Edit The color really doesn't have much to do with how well your oil is working. I'm no expert but it depends on if the chemicals in your synthetic oil are still there and how far down they are broken down basically. The only way to really know how well your oil is working is by taking a sample and getting it tested to see if the stuff that is supposed to lubricate and help is still in your oil. Its true you can usually go farther then 3-4k but you can't go wrong changing it in those intervals. I know people send their Mobil 1 synthetic out and it has lasted well up to 8k. I would check out this site and get some more info. I have been meaning to get on there and read but I haven't had the time. http://www.bobistheoilguy.com/ -- 99 Z28 M6, No Options, Free Ram Air, SS ELiminator, TB Bypass, Holley Power Shot, SLP Air Lid, Vortex Muffler, FTRA, Pro 5.0 w/short stick, Mac Headers w/Carsound Cats, !EGR, NGK TR55 plugs w/ Taylor wires, LS1 Edit Tuning and K&N Breather. 321.69hp, 331.91 tq. Posted By: narc On: 11-17-2005 @ 15:13:33 Reply | Top | Edit 95ramair: educate yourself. read. tests dont lie on M1 vs amsoil -- 02 WS6 black on black MTI clear lid-fra-160 thermo-tranny cooler-loudmouth Posted By: 4Birdman On: 11-17-2005 @ 16:55:17 Reply | Top | Edit I use Valvoline Synthetic 10W30, Valvoline is the only oil that will touch my car. Best oil around. -- 
1998 Trans Am - A4, BMR SFCs, Spohn Adjustable STB, BMR Lowering Springs, BMR LCA Relos, Whisper Lid, Spintech muffler, Walbro 190lph fuel pump, Sport Max 18X9.5 wheels all around. 
1979 Bandit Trans Am - Built 400, blown 4-spd.....coming soon..... Posted By: HBHRacing On: 11-17-2005 @ 20:59:37 Reply | Top | Edit ^ thats an opinion. you will find alot of them. However, saying that running 25K miles on an oil change is just plain ignorant. Oil technology has changed, so has engine technology. It's not hard to strech a change interval to 5K... but 25K is simply insane. Even if the oil can hold up to that amount of wear, your not thinking baout things like time, contamination, and about 100,000,000 other things that will shorten the life span of oil. Your talking about 40-50 bucks every 3-4K miles. Deal with it. Don't think your saving yourself any money, time or effor if you only change your oil once every 25000 miles. -- Owner of HBHRacing.com Xtreme performance products 
click me For Fbody tech articals Posted By: Adam On: 12-08-2005 @ 03:46:11 Reply | Top | Edit I have to find the post but I was reading a test with M1 on a 2002 Z28. The oil only started breaking down at like i think 15,000 and they went to like 20,000 on it and finally changed it but they topped it off along the way and changed the filter at 13,000. They said that it would be ok to change M1 every 10,000 miles top it off when need be. M1 can last longer than 3,000 miles and they said it was actually doing more harm to change it at 3,000. Like i said i have to find the website again so yall can read it. -- Adam 1999 Camaro Z28 M6 Dallas,TX: TSP Smoke Clear Lid, Holley Powershot Filter, All Free Mods, Mac Off-Road Y-Pipe Dynomax Bullit muffler Dumped before the rear axle, Sphoon Adj Panhard bar, 17X9.5 Satin SS Wheels in front and 17x11 ZR1 Wheels Rear running 315's Gone but not Forgotten 1997 Trans Am WS.6  Posted By: Adam On: 12-08-2005 @ 03:46:43 Reply | Top | Edit Here is the website some good info http://neptune.spacebears.com/cars/stories/oil-life.html -- Adam 1999 Camaro Z28 M6 Dallas,TX: TSP Smoke Clear Lid, Holley Powershot Filter, All Free Mods, Mac Off-Road Y-Pipe Dynomax Bullit muffler Dumped before the rear axle, Sphoon Adj Panhard bar, 17X9.5 Satin SS Wheels in front and 17x11 ZR1 Wheels Rear running 315's Gone but not Forgotten 1997 Trans Am WS.6 Posted By: Adam On: 12-08-2005 @ 03:48:05 Reply | Top | Edit check out the Mobil one test results and amsoil test results on that page -- Adam 1999 Camaro Z28 M6 Dallas,TX: TSP Smoke Clear Lid, Holley Powershot Filter, All Free Mods, Mac Off-Road Y-Pipe Dynomax Bullit muffler Dumped before the rear axle, Sphoon Adj Panhard bar, 17X9.5 Satin SS Wheels in front and 17x11 ZR1 Wheels Rear running 315's Gone but not Forgotten 1997 Trans Am WS.6 Posted By: Adam On: 12-08-2005 @ 03:53:07 Reply | Top | Edit http://neptune.spacebears.com/cars/stories/mobil1.html -- Adam 1999 Camaro Z28 M6 Dallas,TX: TSP Smoke Clear Lid, Holley Powershot Filter, All Free Mods, Mac Off-Road Y-Pipe Dynomax Bullit muffler Dumped before the rear axle, Sphoon Adj Panhard bar, 17X9.5 Satin SS Wheels in front and 17x11 ZR1 Wheels Rear running 315's Gone but not Forgotten 1997 Trans Am WS.6 Posted By: HBHRacing On: 12-08-2005 @ 15:23:43 Reply | Top | Edit it doesn't. All I have ever run is Mobile 1. The 5W30 is a tiny bit light on the high end of the life span but it's not bad. It's a perfectly good oil. No need to spend 7 bucks a quart on something else. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: HBHRacing On: 12-08-2005 @ 16:48:08 Reply | Top | Edit the M1 5W30 has been shown to be slightly lite. Even a 30 weight isn't just a 30. It can be a lite 30 or a heavy 30. M1 is on the light side of 30. But it's still a good oil. I have run it since I got my car. I wish they were on the heavier side of 30 tho because a 40 is too much. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: HBHRacing On: 12-08-2005 @ 17:39:44 Reply | Top | Edit The problem tends to get a little worse the more the oil wears out. Thats what that ment. With the milage of the formy I would be running a heavy 30 or a lite 40 as well. I'm still trying to find some "German castrol" becase it's the heaviest 30 acording to testing, but it's also not much more then a 5W even tho it's a 10W. People on the popular oil bored really recomend it for fbodys. It's just hard as hell to find since it's imported. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: HBHRacing On: 12-08-2005 @ 18:27:01 Reply | Top | Edit right, but the viscosity breaks down. Tickness is a somewhat relitive term. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: HBHRacing On: 12-08-2005 @ 21:46:55 Reply | Top | Edit I'm looking for the post that explains this a lot better then I can. I'm not a petroleum chemist... But the people that wrote about the test are. The basics were that M1 5W30 is on the thin side of a 30 weight and doesn't always protect as well as a slightly higher 30 weight such as the GC. The older the oil is, the worse the result was. If I find that post I'll post it up so you can see it... -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: assbreeze On: 12-08-2005 @ 22:08:57 Reply | Top | Edit Last I checked, "tickness" wasn't a term at all. Instead of arguing over semantics, wouldn't it be easier to say "hey, M1 is a great oil, but on the scale of 30 weights it's a little thin compared to a select few others, meaning the protection might break down at a slightly quicker rate over time" and leave it at that? Now can you two find yourselves a closet to kiss and make up in? -- Black '98 Firebird Formula M6 Info/Pics: http://members.cardomain.com/tailwind [ Edited on 12/08/2005 @ 22:09:36 ] Posted By: HBHRacing On: 12-08-2005 @ 23:11:09 Reply | Top | Edit That's what I said... sometimes people just choose to look past the obvious meaning by using common sense and instead over complicate things. -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: SLP94TA On: 12-09-2005 @ 00:31:24 Reply | Top | Edit It's always a good read when Harlan and Todd go back and forth  I change mine when the "Change Oil" light comes on-- 1999 Pewter Pontiac Trans Am: auto/lthr/t-tops/loaded/32k Magnaflow catback - MTI clear lid - K&N 1994 Maroon Pontiac Trans Am: auto/lthr/t-tops/loaded/108k - Sold 5/6/05 Posted By: HBHRacing On: 12-09-2005 @ 01:57:12 Reply | Top | Edit we have good times. I was just over to his house the other week. He hit me and I shot him in the arm He knows what I mean, he just likes to pretend he is female and nit pick everything. -- Owner of HBHRacing.com Xtreme performance products click me For Fbody tech articals [ Edited on 12/09/2005 @ 02:00:09 ] Posted By: HBHRacing On: 12-09-2005 @ 13:57:15 Reply | Top | Edit I love you too Spartacus.... -- Owner of HBHRacing.com Xtreme performance products
click me For Fbody tech articals Posted By: IcemanTT On: 04-14-2007 @ 15:21:01 Reply | Top | Edit I had been putting Mobil1 5w-30 in my mom's trans am, but the oil pressure wasn't really staying much above 40 - 45, and you could hear the lifters ticking. The last change I put Mobil1 10w-30 and a bottle of Lucas Synthetic Oil Stabilizer, and the oil pressure is above 60psi now, but more importantly, the ticking is gone, and she says it performs much better. I put 10w-30 in everything, lol. -- 1991 Dodge Stealth R/T 3.0 DOHC 24-Valve Twin Turbo Pearl White TD04-15G Turbos, 550cc injectors, 255lph Walbro fuel pump (hotwired), Manual Boost Controller, Intake, Custom True Dual Exhaust (No Mufflers/No Cats), Ross 8.5:1 Forged Pistons, Apexi S-AFC, Intrax Springs, Drilled and Slotted Rotors, Spun Rod Bearing Mod Stage IV (Hey, Everyone's Doin' It :-P) Posted By: cheddar On: 04-14-2007 @ 16:43:37 Reply | Top | Edit You dug up a thread from a year and a half ago tell us that? Your mom drives a TA? Is she hot? --  
2002 Silver Z28 M6 Nitrous Express NXL direct port kit, Carbon Fiber Lid, FTRA, Smooth bellows, SLP long tubes, No cats, Flow Master exhaust, Eibach Pro kit, Hurst shifter, LS7 clutch. Soon to be installed: 3.90 gears and SLP line lock. Posted By: IcemanTT On: 04-15-2007 @ 16:40:23 Reply | Top | Edit LMFAO, I had no clue it was that old. It wasn't that far down the LS1 page.. -- 1991 Dodge Stealth R/T 3.0 DOHC 24-Valve Twin Turbo Pearl White TD04-15G Turbos, 550cc injectors, 255lph Walbro fuel pump (hotwired), Manual Boost Controller, Intake, Custom True Dual Exhaust (No Mufflers/No Cats), Ross 8.5:1 Forged Pistons, Apexi S-AFC, Intrax Springs, Drilled and Slotted Rotors, Spun Rod Bearing Mod Stage IV (Hey, Everyone's Doin' It :-P) Posted By: cheddar On: 04-16-2007 @ 17:48:24 Reply | Top | Edit Yeah, shit moves kinda slow in this section. Now about your mom........... --
2002 Silver Z28 M6 Nitrous Express NXL direct port kit, Carbon Fiber Lid, FTRA, Smooth bellows, SLP long tubes, No cats, Flow Master exhaust, Eibach Pro kit, Hurst shifter, LS7 clutch. Soon to be installed: 3.90 gears and SLP line lock. Posted By: BlackScreaminMachine On: 04-16-2007 @ 18:48:43 Reply | Top | Edit  -- 2002 Navy Blue Metallic Trans-Am, 6 Speed, Leather, T-tops. SLP Flow Pack, M/T Street Radials, Free Mods, otherwise stock. Moser 12-bolt and BMR Suspension soon to be installed. 
"Miles Per Hour is not a distance that you can race"-Ronald Bastura http://www.fquick.com/BlackScreaminMachi Hit me up! Posted By: 94RedFormula On: 04-17-2007 @ 12:43:37 Reply | Top | Edit Cheddar, you funny!! --  94 Formula Metallic M6 - Jackie - I'm the bomb diggity! ...Crunkmaro said so!
!CAGS, Hooker Catback, Lingenfelter CAI, Trick Flow intake elbow & 20% tint!! Posted By: No_snow On: 04-18-2007 @ 14:34:51 Reply | Top | Edit We need pictures!! -- 99 Formula Only added a K&N! 
96 Cherokee Posted By: IcemanTT On: 04-22-2007 @ 23:11:49 Reply | Top | Edit Do any of you guys use 10w-30 Mobil 1, or any brand, really, in your LS1's? It really helped her oil pressure out. It used to never get over 40psi, and idled lower. Now it idles at 42 psi and hits close to 70psi. I'm just going to use the Lucas synthetic oil stabilizer every other time in it, though. It's kind of expensive (10 dollars) but I like Lucas products. -- 1991 Dodge Stealth R/T 3.0 DOHC 24-Valve Twin Turbo Pearl White TD04-15G Turbos, 550cc injectors, 255lph Walbro fuel pump (hotwired), Manual Boost Controller, Intake, Custom True Dual Exhaust (No Mufflers/No Cats), Ross 8.5:1 Forged Pistons, Apexi S-AFC, Intrax Springs, Drilled and Slotted Rotors, Spun Rod Bearing Mod Stage IV (Hey, Everyone's Doin' It :-P)
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