The temperature is dropping tonight...

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Id be more worried about your battery than oil. Oil wont be a problem. Its -22 celsius on avg and ive started up north at -30 or so and it took awhile to crank but thats it.
 
Originally Posted By: A_Harman
Originally Posted By: Stewie
Up here that is every 1-2 weeks.



No fair for Canadians to brag about how often they do cold starts.
Rush is my favorite export from Canada, not huge masses of Arctic air.
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AGREED!!
 
It will be -1F in the morning here. I am so glad I changed oil in the vibe. That oil change was 13 months old and 9k miles.
The vibe is my wife car. I hate to get called that her car won't turn over. Coldest I have seen that I remember in TN
 
22 in Cookeville tn,,,5w30, easy start, but at -31 degrees , we are not even in the running here.....I'll take 22 , you all can have -31. Thats a cold seat.
 
Originally Posted By: Lex94
Pfffft, a walk in the park.

LOL if you had done this experiment with 5x-xx dino then it would be more interesting, but PU and PUE? that's a walk in the park for those oils.
 
PU 5w30 is one of the best flowing 5w30s on the market, just not sure how the mix of 5w40 affects this.

Under the D5293 Viscosity @-30° C mPa test which has a 6600 max limits most of your good synthetic 5w30s are around 4,000 while the conventionals tend to hover around the 6,000 mark, showing that a 5w30 synthetic is going to on average flower much better than a conventional 5w30 at - 30C.

Of course everything varies these are just some common reference points. Here's the comparison of 5w30s with viscosity comparison.


http://www.pqiamerica.com/March2013PCMO/Marchsyntheticsallfinal.html
 
Originally Posted By: sicko
What year is the Camaro? With a quality synthetic 5w oil, I'd be more concerned with the battery or belts if they were old. Assuming everything is good in operational condition, it shouldn't be too much of an issue.

As much as I love messing around like that, I'd park the car in the heated garage and then just put a couple quarts of oil out front. Before leaving in the morning go play with the bottles and look at how much slower they're moving.


Battery is 5 years old. Belts are 2 years old.
Last year I had some cold starts at -10F on straight PU 5w30, and it was easy. But the power steering pump made loud cavitation noises on RP fluid. This year I have Redline fluid in it.
 
Sorry gang, it only got down to -6F, so I guess it's a case of coldus interruptus. I must have read the weather report wrong. This morning, it's saying that Friday AM is supposed to be -22F, so I'll park it outside again tonight.

At -6, it was an easy start. Less than a second of cranking, and it fired right up.
 
Interested in cold start videos? Check out my youtube channel (link in signature). I only got 4 car tested. Some tested in multiple temps, with and without block heater.

2015 Hyundai Sonata 2.4 (unknown oil)
2014 Hyundai Sonata 2.4 (motomaster formula1 synt 5w20 - sopus)
2008 Hyundai Accent 1.6 (QSUD 5w20)
2003 VW Beetle TDI (Castrol edge 5w40)
2008 Mazda3 2.0 (QSUD 5w20)
 
I'd be more concerned about the 4+ quarts of makeup oil you've added during this OCI...
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might be time to look into where its going before you track that poor old Chevrolet again...
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Originally Posted By: Danno
I'll be starting my 2013 Sonata tomorrow at midnight, it has been parked in a very exposed airport parking lot for 3 days. Should be -18F when i pick it up. Using 5W-20 PP - due for a change after 3,750 miles. Changing the oil on Saturday. Going PYB 5W-20.


You use PP and change it at 3750 miles?
 
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Originally Posted By: racin4ds
I'd be more concerned about the 4+ quarts of makeup oil you've added during this OCI...
smile.gif
might be time to look into where its going before you track that poor old Chevrolet again...
wink.gif



It's carrying oil through the PCV system into the intake. Whenever I pull the throttle body air intake, there is oil sitting where the PCV hose connects. I'm thinking high blowby and maybe the rings are worn out. At 225k miles, and ~180 hours of track use since new, the engine doesn't owe me anything. It did really well on oil consumption up to 193k, but has been trending up since then.
 
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Even the starter motors in Florida are going to get a "work out" tomorrow morning
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It rarely gets below 0F here but it will tonight. I will delay changing the oil to Delo 15w30 like I planned tonight...Oh heck...No I won't!
 
Originally Posted By: cluster5
All my cold start videos in one play list.
I enjoyed watching those while sheltering indoors from today's heat. They all start really well, even the TDI. What oil grades are you using?

Does the 2015 have a stop-start feature? My Polo does and I've noticed it's the fastest starting fuel-injected car every I've owned, starts even faster than my last carbureted car in 1980.
 
Originally Posted By: cluster5
Interested in cold start videos? Check out my youtube channel (link in signature). I only got 4 car tested. Some tested in multiple temps, with and without block heater.

2015 Hyundai Sonata 2.4 (unknown oil)
2014 Hyundai Sonata 2.4 (motomaster formula1 synt 5w20 - sopus)
2008 Hyundai Accent 1.6 (QSUD 5w20)
2003 VW Beetle TDI (Castrol edge 5w40)
2008 Mazda3 2.0 (QSUD 5w20)


Your Hyundais seemed to have the smoothest/quietest cold startups.
 
Originally Posted By: cluster5
YouTube Channel
All my cold start videos in one play list.
Comment, Rant, Rave, Like/Dislike please. Any improvement I could do?

Apologies for the second post. Somehow, I can't edit my previous post to add that information.


I've seen a few of those vids!

Maybe get some under hood shots while starting; a heated garage or warm weather start would be good too for comparison

Coldest starts where I'm at are in the 30s save for the occasional arctic blasts that last a week at most.
 
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