<VV> Best Oil & STP

[Ron]

I find it difficult to correlate your test to an operating engine, but I'll 
try.
RonH

----- Original Message ----- 
From: "J R Read" <hmlinc at sbcglobal.net>
To: <BobHelt at aol.com>; <jay.pitchford at gmail.com>; <virtualvairs at corvair.org>
Cc: <Mlevair at sbcglobal.net>
Sent: Wednesday, January 04, 2012 3:24 PM
Subject: Re: <VV> Best Oil & STP


> Odd that the oil topic came up just after a little "experiment" at work.
>
> A few days ago, one of the guys had Regular oil 5W30, Mobil1 5W30, A 
> bottle
> of STP and a flat edge (relatively heavy) screwdriver.   He dipped the 
> blade
> of the screwdriver into each and had several of us (taking turns and
> cleaning hands and screwdriver each time) holding the screwdriver tip
> between thumb and forefinger with palm above and handle of screwdriver
> hanging down.  Easy to do with nothing on the blade AND with oil on it AND
> with Mobil1 on it.  But, even though it was more viscous to the touch, it
> was virtually impossible to keep the screwdriver from falling when it was
> dipped into the STP.
>
> Now, this makes me think that it might be a good idea to add some (how
> much???) STP at oil change time.  I looked at their web site and could not
> find any specifications for STP.  I was looking to see if there was a
> statement about ZDDP content, but was unable to find anything.
>
> Does anyone on VV have a clue as to ZDDP content of STP and what would be 
> an
> appropriate ratio of oil (either type) to ZDDP if adding at oil change 
> time.
> I'm not condoning this, just trying to investigate at this point.
>
> Thanks.
>
> Later, JR
> CCE CORSA CORVANANTICS SCG member
> '61 Rampside Standard 4/110
> '65 Monza Convertible 4/140
> "Keep the Love Alive"
>
> ----- Original Message ----- 
> From: <BobHelt at aol.com>
> To: <jay.pitchford at gmail.com>; <virtualvairs at corvair.org>
> Cc: <Mlevair at sbcglobal.net>
> Sent: Wednesday, January 04, 2012 1:58 PM
> Subject: Re: <VV> Best oil for Corvairs
>
>
>> I've heard that Brad Penn is not rated by the API. Is that correct? If 
>> so,
>> is that good?
>>
>> Regards,
>> Bob Helt
>>
>>
>> In a message dated 1/4/2012 11:09:12 A.M. US Mountain Standard Time,
>> jay.pitchford at gmail.com writes:
>>
>> Brad  Penn oil has plenty of ZDDP in it for sliding friction
>>> surfaces like  camshaft to lifter and fuel pump rod to  eccentric.
>>
>
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