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any reason not to use 5w-30?
- Thread starter Pistons23
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exbass94
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Nope, none that I can think of. I would just stick with the 5w-30.
shadetree
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A lot of attention is paid to automobile engines during start-up due to emissions being high at this point. The lower viscosity of the oil when cold helps the engine turn easier helping with emissions. If you live in a cold climate, I would stick with the 5-30. In warmer/hot climates 10-30 would be fine. As far as actually hurting the engine, no.
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shadyPistons23
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well the coldest it gets here is about 28* and the hottest is 110*
i currently have 10w-30 but i was wondering if it would be better to go to 5w-30
i currently have 10w-30 but i was wondering if it would be better to go to 5w-30
RangerFabWorks
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10-30 is fine, i run 20-50 in all my fords just because it keeps the valves quieter. but for a newer ford, id say 10-30 is fine
exbass94
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You could use 10w-30 but there isn't really any point. 5w-30 works well in all temperatures.
97ranger xlt
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i use dino 5w30 valvoline or castrol gtx together with a motorcraft filter. never an issue and the oil stays clean for quite a while after each change.
a-5 freak
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i use royal purple i love the stuff and ,despite the price, is an awesome product. I HAVE been using full synthetics since i got the truck and its been nothing but smooth sailing. *knock on wood*
i love the stuff and ,despite the price, is an awesome product. I HAVE been using full synthetics since i got the truck and its been nothing but smooth sailing. *knock on wood*- Joined
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Been using full synthetic 5w40 all winter in our ol' girl. Guy at Advance pointed it out when I was looking over mobil-1. Truck seems to enjoy it. Hitting it with 10w40 mobil-1 when the temps get steady above 45 for the late spring/summer months. (great sale...5 qts of full syn, and a mobil-1 filter for 29 bucks)
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Pistons23
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thank god for walmart. just picked up a 5quart jug of pennzoil high mileage 5w-30 for $13.50. im going to see if it makes a difference vs. castrol gtx high mileage 10w-30 thats in the truck now.
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I ran GTX 5-30 for 250,000 miles. For the last 16,000, I've run Royal Purple and have gained better mileage overall, and my emissions test scored lower this year.
It's worth the price IMO.
It's worth the price IMO.
a-5 freak
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Same here. The stuff is amazing!
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