| Hello folks, can anybody give me a tip on which is the best oil and filter for my 68 mustang v8. Thank you! |
 Do you have the latest (July, 2009) issue of Mustang Monthly? They have an article on oil and claim that you DON'T want to use oil with an "SM" rating. The "SM" means it has no zinc which may ruin the internals of our vintage engines. Zinc fries catalytic convertors in newer cars. If you can't find an oil without the "SM" label Mustang Monthly says to add an additive called ZDDPlus that will replace the zinc that the EPA has eliminated. As far as a filter - what's the mater with Motorcraft (Ford) FL-1A? They are quality and were the originals on your engine. Bill Krieger | hipogt@... hipogt | Jun 20, 2009 6:06 pm | ||
| While that article is correct on a number of counts it's strangely very inaccurate on at least one or two things. I even considered writing to MM to correct him. SM rating does not mean NO ZINC it means lower. Most SM oils have from 600 to 900 PPM Zinc (and around the same Phosphorus) when chemical analysis is performed. ZDDP has been lowered for years and over many API spec changes not just SM. ZDDP means Zinc and Phosphorus not just zinc (I wont bother typing out the full version I would probably misspell it). He seemed to recommend oils that are all SM rated at this point. He didn't mention that some very good Oils do have more ZDDP... Mobil 1 High Mileage is excellent and is an older API spec rating, despite the name there's no reason not to run it in a new engine. Royal Purple has a couple specific "older vehicle" grades with older ratings that allow more ZDDP. Aside from that his reasons are accurate if not thoroughly explained... ZDDP is a very good "EP" (extreme pressure) lubricant and EP lubrication is the MAIN thing keeping any metal on metal contact surfaces from being eaten up. ZDDP forms a sacrificial layer on cam lobes and lifter feet, that keeps the metal from eating it self into nubs. It is also needed on timing chain teeth, distributor gears (any gear tooth surfaces, including rear ends Gear lube contains huge amounts of Phosphorus and Zinc) Oil pumps, valve stems, rocker and pushrod cups and valve tips... In short anywhere that metal meets metal and no pressurized oil wedge is forced through the area. There's a lot more to it than this but in short you want an oil with around 1000ppm Zinc and Phosphorus and no SM oil has anywhere near that. You need EVEN MORE if you run elevated spring pressures. | Simon alhazsj | Jun 20, 2009 10:38 pm | ||
| Hi guys, Thanks for the accurate explanation, What name brand and what product do you suggest? What you usually use for your classic car? Thanks a lot!... | domenico balivo balivodomenico | Jun 20, 2009 11:42 pm | ||
| ... The FoMoCo filter is the best, or one of the best, on the market. As for oil, I use Castrol Synthetic 10-40W.... | Paul Stephens pauls1950 | Jun 22, 2009 6:32 am | ||
| The FoMoCo filter is the best, or one of the best, on the market. As for oil, I use Castrol Synthetic 10-40W. My '71 M-code uses Castrol GTX 10W-40 dino oil and a K&N filter. Apparently with good results because after 2 months of mixed driving the oil is still clear and the color of honey. | MDG shyohoj9 | Jun 22, 2009 10:19 pm | ||
| Of course, you can bypass the whole oil think by going the roller cam/rocker route on the next engine rebuild. I would also look at Amsoil. It's not the cheapest...along the lines of Royal Purple (which I've also used with great success).
PRODUCT DESCRIPTION AMSOIL XL Synthetic Motor Oils are convenient and cost effective. They last longer than conventional petroleum motor oils, saving time and money. Motorists traveling 15,000 miles per year need only change AMSOIL XL motor oils twice, compared to five times for conventional 3,000-mile change intervals. While the initial fill may be more expensive than conventional oil, mile for mile AMSOIL XL costs less. AMSOIL Extended Life Synthetic Motor Oils provide peace of mind. The oil drain interval recommendations for many of today’s vehicles extend well beyond the traditional 3,000-mile interval, some up to 12,000 miles with electronic oil monitoring systems. And unlike petroleum oils that have 3,000-mile maximum recommendations, AMSOIL XL Oils provide 7,500-mile/six-month drain intervals or longer where stated by vehicle manufacturers or indicated by oil life monitoring systems. When using AMSOIL XL Synthetic Motor Oils, protection and performance are not sacrificed with longer drain intervals. AMSOIL, the leader in automotive synthetic lubrication, produced the world’s first API qualified synthetic motor oil in 1972. Trust the extensive experience of AMSOIL, The First in Synthetics®, to do the best job protecting your vehicle. Improve Fuel Economy Maintain Low Emissions Protect Engines In All Temperatures Keep Engines Clean Lower Fleet Maintenance Costs Bid Appropriate APPLICATIONS XLO 10W-40 Synthetic Motor Oil
MIXING AMSOIL SERVICE LIFE HEALTH & SAFETY | Dennis deo1929 | Jun 22, 2009 12:40 pm | ||
| Thank you everybody!!! ... From: MDG | domenico balivo balivodomenico | Jun 23, 2009 12:08 am |
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