Re: [FWDLK] oil

[Tim Bowers <stellarrestorations@xxxxxxx>]

The documents explaining required break-in procedures  provided to me by the machine shop that rebuilds my engines stipulate that ZDDP rich oil must be used for the first 2 oil changes, and after that, owner's preference is allowed.

 

Tim Bowers

Stellar Antique Auto Restorations

Windom, KS

----- Original Message -----

From: Jan & Roger van Hoy

To: L-FORWARDLOOK@xxxxxxxxxxxxx

Sent: Tuesday, May 20, 2008 10:28 AM

Subject: [FWDLK] oil

Ok, I must confess, I'm back to the drawing board about this flat tappet ZDDP oil problem we all face.

 

I thought the diesel oil like Delo or Shell Rotella still had ZDDP, but now I read it's been removed from that oil because diesels are getting cat cons.  Also been warned that these oils are very high detergent and might cause an aneurysm in an old engine.

 

There are a bunch of additives being hawked, that range from $10 for two ounces on up.  Comp Cams has some, GM supposedly has an additive, and others.

 

There's also Motorhead Oil, but who wants to pay shipping on oil?

 

Some say the ZDDP is only needed for break-in, others say that it's needed throughout the life of the engine.

 

Anyone have a definitive answer?

 

--Roger van Hoy, Washougal, WA, '55 DeSoto, '58 DeSoto, '56 Plymouth, '66 Plymouth, '41 Dodge

 

 

 

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