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SVTPerformance's Chain of Restaurants
The Greasy Spoon
Amsoil 10-40 for a street driven, no winter Boss 302?
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<blockquote data-quote="UnleashedBeast" data-source="post: 11866203" data-attributes="member: 112023"><p>Congrats on the new car. Here is more in depth information for you.</p><p></p><p></p><p></p><p><strong><a href="http://www.amsoil.com/storefront/amo.aspx?zo=1859448" target="_blank">Amsoil AMO 10W-40</a></strong> is actually less viscous in cold weather than Motorcraft 5W-50. SAE numbers on the outside of a lubricant bottle are very misleading. When you see the first number as "5W" then compare it to "10W", it's easy to assume that the "5W" will flow better in cold weather than "10W". This isn't always the case. There are many factors that effect this, the most important being base stock type. True synthetics thicken less in colder weather than petroleum does. Use the graph below to see the difference of viscosity at temperatures down to 0*C (32*F).</p><p></p><p>Take note that both "5W-50" lubricants are MORE viscous at 0*C (32*F)</p><p>[ATTACH=full]330387[/ATTACH]</p><p></p><p></p><p><strong><a href="http://www.amsoil.com/storefront/amo.aspx?zo=1859448" target="_blank">Amsoil AMO 10W-40</a></strong> will offer far better cold weather cranking protection than Motorcraft 5W-50 can. Be confident that you can use it year round.</p><p></p><p></p><p></p><p>I agree, there is a lot of misinformation available about engine lubricants on the internet. That's why I use lab data to show forum members what works, what doesn't work, and why. </p><p></p><p>We can talk about lab testing here, just ask what you want to see...and you shall have it. You can see from the link below....we test oil around here. </p><p></p><p><strong><a href="http://www.svtperformance.com/forums/shelby-gt500-150/787413-official-uoa-thread-oil-poll.html#post10894866" target="_blank">2007+ GT500 UOA thread</a></strong></p><p></p><p>I wish we had more samples from the Coyote and Roadrunner engines, but members are a bit sluggish catching on to lab testing. </p><p></p><p><strong><a href="http://www.svtperformance.com/forums/2012-boss-302-mustang-373/805915-official-gt-5-0-boss-302-uoa-thread.html#post11152853" target="_blank">2012+ Boss 302 UOA thread</a></strong></p><p><strong><a href="http://www.svtperformance.com/forums/2011-mustangs-354/805918-official-gt-5-0-boss-302-uoa-thread.html#post11152876" target="_blank"></a></strong></p><p><strong><a href="http://www.svtperformance.com/forums/2011-mustangs-354/805918-official-gt-5-0-boss-302-uoa-thread.html#post11152876" target="_blank">2011+ Mustang GT UOA thread</a></strong></p></blockquote><p></p>
[QUOTE="UnleashedBeast, post: 11866203, member: 112023"] Congrats on the new car. Here is more in depth information for you. [B][URL="http://www.amsoil.com/storefront/amo.aspx?zo=1859448"]Amsoil AMO 10W-40[/URL][/B] is actually less viscous in cold weather than Motorcraft 5W-50. SAE numbers on the outside of a lubricant bottle are very misleading. When you see the first number as "5W" then compare it to "10W", it's easy to assume that the "5W" will flow better in cold weather than "10W". This isn't always the case. There are many factors that effect this, the most important being base stock type. True synthetics thicken less in colder weather than petroleum does. Use the graph below to see the difference of viscosity at temperatures down to 0*C (32*F). Take note that both "5W-50" lubricants are MORE viscous at 0*C (32*F) [ATTACH=full]330387[/ATTACH] [B][URL="http://www.amsoil.com/storefront/amo.aspx?zo=1859448"]Amsoil AMO 10W-40[/URL][/B] will offer far better cold weather cranking protection than Motorcraft 5W-50 can. Be confident that you can use it year round. I agree, there is a lot of misinformation available about engine lubricants on the internet. That's why I use lab data to show forum members what works, what doesn't work, and why. We can talk about lab testing here, just ask what you want to see...and you shall have it. You can see from the link below....we test oil around here. [B][URL="http://www.svtperformance.com/forums/shelby-gt500-150/787413-official-uoa-thread-oil-poll.html#post10894866"]2007+ GT500 UOA thread[/URL][/B] I wish we had more samples from the Coyote and Roadrunner engines, but members are a bit sluggish catching on to lab testing. [B][URL="http://www.svtperformance.com/forums/2012-boss-302-mustang-373/805915-official-gt-5-0-boss-302-uoa-thread.html#post11152853"]2012+ Boss 302 UOA thread[/URL][/B] [B][URL="http://www.svtperformance.com/forums/2011-mustangs-354/805918-official-gt-5-0-boss-302-uoa-thread.html#post11152876"] 2011+ Mustang GT UOA thread[/URL][/B] [/QUOTE]
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SVTPerformance's Chain of Restaurants
The Greasy Spoon
Amsoil 10-40 for a street driven, no winter Boss 302?
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