
05-14-2008, 10:48 AM
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Member
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Join Date: Sep 2007
Location: Mason, OH
Posts: 56
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Quote:
Originally Posted by twoliterlover
Sorry to pontificate, but I speak with experience after running the same car since 1965. I do KNOW that Dentax 90 is the ONLY lubricant to use in a two liter Alfa IF you are still using the old synchro rings made of brass or such ever softer metal. Pre 105 series car should all use Dentax 90. The Alfa two liter series are 10200, 10204, and 10205 series cars. However, one can tear down and replace ALL of the synchro rings and collars to upgrade to the later system (like subsequent 105 series or 106 -- 2600 series cars) and use good old EP 90 oil. Dentax 90 is NOT an EP grease and NOT AS SLICK. Consequently the softer synchro rings and collars stop the spin just that tiny bit faster and do not get worn out as fast from shifting when it takes longer and more friction to stop the spin to fit the gears together.
It is still possible to get Dentax 90 from a Shell distributor. He usually wants to sell it in five gallon cans, however. It takes far far less than that to completely fill a two liter tranny. My own stash is about run out. I have two that I need to fill myself, so I will buy a five gallon can. Is is still possible to ship a couple quarts of oil by mail or by UPS? If so, I would be willing to sent some out if asked. We all want our cars to run forever, so why not have a decent shifting gear box?
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Let me confirm, to the letter, what "twoliterlover" says about Dentax 90 and its slipperiness. My first Alfa was a 2600 spider and when I bought it the synchros were a bit "crunchy". It was suggested to me that the only problem might be the gear lube and that I try Dentax 90, the old stuff not 'EP' as EP was too slick, and you know what? The crunchiness disappeared instantly, never to return while I had the car.
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