DeTomaso Mailing List: April 98, Message #292

No arguement here but as said putting a synthetic in an older engine may
cause leaks. Mine did and caused a mess.
72 Pantera-65 Tiger-96 Thunderbird 4.6

On Sun, 5 Apr 1998 00:12:11 +0000 TTullio282 <TTullio282@aol.com> writes:
>Found this on the MR2 forum.  I know we all went over this a while 
>back, but
>this was pretty well explained and worth reading.  Enjoy.  Tim Tullio
>
>
>>I read an interesting article in Road & Track the other day. It said 
>that
>> synthetic oil seems to promote oil leaks. Has anyone ever heard this
>> before? I hate to think that I'm paying $4.25 per quart just to 
>cause my
>> gaskets to leak.
>
>Robert,
>    I want you to know I have 15 years experience with AMSoil & Mobil1 
>and 30
>+ years as a foreign car mech., not to be bragging, but to qualify my 
>answer
>to you
>    The leaks refer to "false seals" created by a LEAKING SEAL, THAT , 
>from
>the INSIDE of the engine as it leaks OUT gets SMALLER and leaks LESS 
>as time
>goes on, until the leak is stopped by CRUD obstructing the leak point 
>.
>    THEn, days-weeks-month-YEARS later, you put in some oil with a 
>STRONG
>detergent ( that stays with the oil for 7.5k to 100k, depending on the 
>oil,
>the filter(s) and the vehicle use , INSTEAD of petroleum oil that 
>LOSES it
>detergent after 2 to 4k miles) and the CRUD is removed ALLOWING the 
>engine to
>leak.
>    Point is SYNTHETIC doesn't cause leaks, it just UNCOVERS them.
>I've had 100 people use synthetic and the AMERICAN cars (that people 
>don't
>FIX 'til they break) tend to leak at the VALVE COVERS because they're 
>LOOSE!
>The European & Japenese. cars get SERVICED ( they used to) more often. 
>If it
>doesn't leak now and it's a Japanese. car, I'd put synthetic in it.
>The synthetic PROTECTS the mechanical almost TWICE as well as 
>petroleum oils
>in HEAT RANGE. Regular oil is near the limit in the modern car, as far 
>as oil
>and engine temp. go. Imagine a hot summer day, with the A/C on, 
>stopped at a
>light with an automatic trans. The underhood temp. raises the oil 
>temp., the
>TORQUE converter MULTIPLIES TORQUE. Say the fan relay or fan goes bad 
>and the
>margin for the petroleum oil is exceeded. ENGINE OVERHAUL when they 
>hit the
>GAS!
>    BTW, the best SYNTHETIC oil WITHOUT a GOOD FILTER is P*SSin' in 
>the wind.
>Put sand in the oil and let it circulate without taking it out with a 
>good
>filter, see what I mean.
>    You can increase engine life to EXTREMES with a BY-PASS FILTER and 
>with
>the remote mount you will be adding cooling effects with a ONE MICRON 
>filter.
>18 wheelers show FACTORY MANUFACTURING TOLERANCES at ONE MILLION MILES 
>with a
>BY-PASS FILTER system AND go 100k miles between changes. They have 
>their oil
>ANALYZED at 10-25k intervals.
>
>John Keller
>88MR2SC
>86MR2NA
>73 Rx-2 13B 5 spd.
>Robert Hastings wrote:
>
>
>

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