Gravel
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« on: February 15, 2006, 04:37:06 PM » |
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There was a thread not long ago that involved 20w50 being too heavy for the mod motors, how about 5w 50 syntec??
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Ralph
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« Reply #1 on: February 15, 2006, 04:37:54 PM » |
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Errr
I'm not sure but I'd say stick with 5W30 as the MFR's recommendation.
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Gravel
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« Reply #2 on: February 15, 2006, 04:40:34 PM » |
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Not even remotely a fan of 5w30 as I know why they origionally went to that formulation.. With the supercharger generating a bit more heat I was hoping to add some more protection and I run the Syntec in everything else I own..
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Ralph
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« Reply #3 on: February 15, 2006, 04:42:25 PM » |
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The close tolerances in the oil pump and other bottom-end components isn't fond of heavy oil. Besides, isn't your first number the one you're concerned with when hot?
If anything, I'd have to say 10w30 or 15w30. The 30 is the cold number, IIRC.
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Ralph
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« Reply #4 on: February 15, 2006, 04:45:36 PM » |
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Gravel
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« Reply #5 on: February 15, 2006, 04:47:05 PM » |
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SAE 5W-50:
Provides the widest range of protection available. SAE 5W-50 delivers exceptional cold temperature pumpability for rapid oil circulation at start-up and provides a thick oil film for ultimate wear protection. Exceeds all car and light truck manufacturer's warranty requirements for the protection of gasoline, diesel and turbocharged engines where API SM, SL, SJ, SH, CF or CD is recommended. Exceeds European ACEA: A3, B3, B4; Ford WSS-M2C931-A and the engine protection requirements of GM 4718M, ILSAC GF-4 for API Certified Gasoline Engine Oils.
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Ralph
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« Reply #6 on: February 15, 2006, 04:59:33 PM » |
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20W50 blew up my oil filter at operating temperature.
Let your conscience be your guide.
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Gravel
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« Reply #7 on: February 15, 2006, 05:00:34 PM » |
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Yeah, that is what I remember you saying...  |
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computers_suc
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« Reply #8 on: February 15, 2006, 05:07:18 PM » |
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DUnno if this is much help, but i always ran 5w50 in my 5.0. Reason being when i was doing road trips through the province, it could be 10*F in one area and 110*F in another. It always held up.
Howerever my dad with his 5.4 wont go near 50w oil, i think he also runs 5w30.
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BadAndy
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« Reply #9 on: February 15, 2006, 05:36:25 PM » |
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I've been using 5w40 Shell Rotella T for quite some time in several different cars without any problems.
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hrtatack1
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« Reply #10 on: February 15, 2006, 06:00:19 PM » |
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Errr
I'm not sure but I'd say stick with 5W30 as the MFR's recommendation.
yup |
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F*** that, more is better...excess is best...rock the f*** on Just stop typing. Please. For the love of God. Cry me a river. Then build a bridge and get over it.  |
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Mr. Black
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« Reply #11 on: February 15, 2006, 06:30:37 PM » |
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5 20 is the factory spec, not 5/30
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We are Steve, resistance is futile!!!
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Gravel
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« Reply #12 on: February 15, 2006, 07:45:31 PM » |
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I piss thicker then 5 20....  |
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Mr. White
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« Reply #13 on: February 15, 2006, 07:49:58 PM » |
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Well, piss in the crankcase then.
5 20 was speced later on in it's production life for reasons only to do with fuel economy. 5w30 or 5w20 will both work but I personally wouldn't go much further.
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big inch
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« Reply #14 on: February 15, 2006, 07:55:39 PM » |
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I wouldn't run anything heavier than 5w-30. Like Ralph said, the tolerances are very tight in the mod motors.
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Daniel H.
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Gravel
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« Reply #15 on: February 15, 2006, 07:58:22 PM » |
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Well....... Guess I will go and get some different oil for the thing in the morning then...  On the plus side, I was waiting to hear what everyone said before I did the oil so the 5w-50 will end up in the Stealth...  |
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BadAndy
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« Reply #16 on: February 15, 2006, 07:58:25 PM » |
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My Dad's been running the same Rotella T 5w40 in his E350 V10 van since he got it and hasn't any issues with it at all.
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Mr. White
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« Reply #17 on: February 15, 2006, 08:00:33 PM » |
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My Dad's been running the same Rotella T 5w40 in his E350
I'm not sure about vans, but that stuff is wonderful when mixed with Velveeta |
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"You may all go to hell and I will go to Texas "
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computers_suc
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« Reply #18 on: February 15, 2006, 08:06:01 PM » |
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My uncle also runs 5w40 in his V-10 truck.
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Chris Wilson
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« Reply #19 on: February 15, 2006, 08:06:01 PM » |
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My line of thinking was the same as yours in the beginning Steve, but after talking to our local Mod motor guru, Jake Lamotta, I'm going to stick with the 5W-20 Amsoil. I've always run 20-50 in my pushrod motors, but he advised me that would be a big mistake. He's been in more of these motors than anyone I know. I wouldn't go heavier than the 5w-30.
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J. D.
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« Reply #20 on: February 15, 2006, 08:08:57 PM » |
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I ran 20W-50 in the Mustang til I took the stocker 302 out (still running good) at 245,000 miles. Now I run 10W-40 in the 306.
In the truck (4.6), I'm running 5W-20.
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Gravel
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« Reply #21 on: February 15, 2006, 08:20:30 PM » |
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Hmmmm there is that moment in life for everyone where they become old enough to be old school......   |
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Mr. Black
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« Reply #22 on: February 15, 2006, 08:53:42 PM » |
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Never run 20/50 in anything unless it is fixing to blow up.
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We are Steve, resistance is futile!!!
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J. D.
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« Reply #23 on: February 15, 2006, 08:56:09 PM » |
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Never run 20/50 in anything unless it is fixing to blow up, or leaks like a siv with anything less.
Fixed.  |
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Mr. Black
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« Reply #24 on: February 15, 2006, 08:59:17 PM » |
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lol then fix it mister!!! |
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We are Steve, resistance is futile!!!
05 Pontiac GTO, 6.0, M6, The loud model with H&R SUSPENSION OF COURSE!
2008 VW Passat 2.0T, 18" BBS wheels.
99PSD CC SB 4X4 6spd
95 CR250R woods bike, 06 Suzuki DR-Z400SM
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MurPHy
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« Reply #25 on: February 16, 2006, 01:33:54 AM » |
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Never run 20/50 in anything unless it is fixing to blow up, or leaks like a siv with anything less.
Fixed. Like Black said dude, you don't run a thicker oil, you fix the leak. |
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J. D.
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« Reply #26 on: February 16, 2006, 03:11:29 AM » |
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then fix it mister!!! I'll probably get to it one of these days.   |
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