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    Rotella or Motorcraft?

    I don't like either one. I don't like Chevron Delo 400 either. All of these three oils make my '95 7.3 liter turbo diesel sound like a washing machine needing a new motor. Recently, I've been using a mix of Delvac 1300 Plus 15W-40 and Delvac Turbo Diesel Truck 5W-40 synthetic (now titled Turbo...
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    Motul - Calcium Sulfonate, what that?

    Plus, purportedley, it cleans the internal engine really well.
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    Marine versus Automotive

    Copied below are technical properties for Amsoil 4-stroke marine oil and Rotella T synthetic oils. Interesting to note that Amsoil's viscosity index number is 154 and Rotella T's is 176. On the other hand, Amsoil's HTHS number is 4.6. Shell doesn't list the Rotella T HTHS figure, but I recall...
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    Tohatsu Outboards?

    I just bought a 6hp four stroke Tohatsu to power a 12 foot Portabote. What's the best oil for the break-in period, mineral or synthetic? The manual doesn't say one way or another. I'm assuming it would be like with automobiles whereby the manufacturers generally start the break-in period with...
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    Do differentials run HOT?

    "I didn't know the differential would produce that much heat and I am running Shaffers #267."
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    Schaeffers All Trans Supreme?

    Hammer said: "I think specialty formulations MTFglide is a better choice when it comes to manual transmission use. Insteda of using a Meron rated ATF, which is a comprimise, the MTFglide has the same viscosity as ATF but has a additive and FM pack that ie explicity tailored for Manual tranny's...
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    Schaeffers All Trans Supreme?

    Will it work in a ZF manual tranny for Powerstroke applications? This transmission is specified to use synthetic ATF. The owner's manual says to use Ford Mercon ATF. It does not say which Mercon though, because Ford brands their as a syn. manual transmission fluid even though it is a syn. ATF...
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    Help me with my 6spd.

    "Any other tips?" No, other than you'll need a bucket or gallon or more jug in which to pump the old tranny fluid. Then pump the new fluid into the tranny. I asked my neighbor to help hold steady either the dump pan and/or the jug of new stuff during the process. The space can get tight...
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    Help me with my 6spd.

    Vspec: I've used a small, manual push pump that came with a gallon of oil additive I used to use (after having cleaned the pump first, of course). I think you can buy these or similar pumps new at auto parts stores (or maybe hardware stores, too) and with an 8 or 10 inch flexible...
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    Differential and tranny lube recommendations for '95 PSD?

    UnDummy, Ford specifies a synthetic MTF for the ZF 5 speed transmission. After I changed to the single piece flywheel/clutch, Ford's product didn't work well at all. I sought all kinds of input about an alternative. AMSOIL was recommended to me by a local diesel engine mechanic. It has been...
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    Differential and tranny lube recommendations for '95 PSD?

    Thanks, TLR. Actually, I don't have a favorite. Maybe they're all good?!!? Probably. I just thought there might be some specific recommendation for the PSDs. How about Schaeffer's? I wouldn't mind getting connected with their products. This might be a good way to do it. Bob A.
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    Differential and tranny lube recommendations for '95 PSD?

    I've tried several searches for differential and tranny lube recommendations for 7.3l PSDs and came up with nothing. Suggestions? I would like to go synthetic with the differentials (4X4). I have a ZF 5 speed manual tranny which is spec.'d for synthetic ATF. Two reasons for these requests: 1...
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    Which dino keeps engines the quietest?

    In my opinion you have to find the oil that best suits your engine. One oil will do a better job of quieting engine "A" than engine "B". And, vice versa, another oil will quiet engine "B" better than engine "A". Ya gotta search and test for the best for your application. Likewise, one oil will...
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    2.5 Subaru engine and GC

    Thanks. Bob A.
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    Can I mix MMO and Lucas UCL and FP60 in the same bottle and not blow myself up?

    o-dichlorobenzene is not a paraffin. Paraffins are straight chains of carbon atoms. Chlorinated paraffins are straight carbon chains with chlorine atoms attached. On the other hand, o-dichlorobenzene is a structure of chlorine atoms connected to benzene rings, which are hexagons formed of...
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    2.5 Subaru engine and GC

    What model Subaru are you driving? I have a Legacy Outback with a 2.5l engine (non turbo) and I get 28-29 mpg at 75 mph -- at its best. Just curious. I'll be running Gold GC this coming spring and summer. I'm thinking of running a combination of 3 qts. of GC and 1.5 qts. of Syntec 5w-20 to...
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    LC 20 and synthetic oil

    Try Havoline synthetic . . . if you can find it. Bob A.
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    Is it necessary for Second Auto-RX treatment?

    Don't quit after the first wash and rinse cycles. Go to www.rms13.com instead -- for the answers to your question. In short, stay the course . . . finish the whole program. DeepSquat was the one who originally posted this rms13 link. I just read his message tonight and spent quite a bit of...
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    Put the GC in today!

    Dunno. The only thing clear here is that I obviously don't understand the ILSAC system. Sorry for mucking up the thread.
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    Put the GC in today!

    The European formula bottle says on the back something about the formula being complementary with ILSAC GFII and GFIII ratings. No mention of GFIV or more. What gives with that? Where is the Elvish super-Pao base oil? Maybe the MB, VW, Porsche and other Euro auto manufacturers don't spec. higher...
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