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Engine Warm Up ?'s and ZDDP ?'s

I have tried this new type of thermostat.

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It really warms up the engine to operating temperature fast.

I have not been using it since, if it were to fail it would fail in the closed position.

I could add this break in oil with zinc at every oil change until I run out of the extra non zinc oil I bought.

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That is the same as this:

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I have tried this ZDDP additive:

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but when I cleaned the oil strainer screen I noticed some sooty ash deposits. I thought it was from using this ZDDP additive.

Then I could start using this Brad Benn oil after I run out of the non zinc oil.

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In Winter, I could use a dip stick oil heater.

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Reply to
Jim Ed
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Yesterday I bought a 1 pint bottle of Lucas Engine break in Oil with zinc. I sloshed the bottle around. It feels like 30HD oil does when you slosh it around. The directions say it will mix with any oil conventional or synthetic and to use the entire contents of the bottle.

I think I will continue adjusting the thermostat according to what the books say and not try any new ways.

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Reply to
Jim Ed

You should in theory ALWAYS use a zinc additive to your VW engine. It has a flat tappen cam with potentially high contact pressure points on it. Your options are a ZDDP additive, or a "off road use only" (Red-Line, Valvoline, Mobile, etc, all make them.etc.). After a cam or lifter replacement it is mandatory ! If you have a couple thousand miles + on your engine you can probably get by with any decent oils. But I wouldn't even take the chance then.

We break in all our race engines (flat tappet) with Joe Gibb's break-in oils. Then use a Red Line (Synthetic) race oil after break in. For street engines we break them in the same way, but use a non-synthetic with 1/2 bottle of ZDDP.

We spin our engines past 7000 RPM and have never had a cam or lifter failure.

By the way, we sell all the above at good prices.

Jim SR Racing

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Reply to
JIM

I,ve been a shadowy figure lurking in auto shops for years and never seen "ZDDP". Is there another name it is sold by? I,ve used "Molybond" for years but thats molybdenum. John

Reply to
John

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