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  Semi-synthetic oil OK for old V8 ?

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Author Topic:   Semi-synthetic oil OK for old V8 ?
Pierre
Gearhead

Posts: 349
From: France
Registered: Apr 2002

posted 05-16-2002 07:23 AM     Click Here to See the Profile for Pierre     Edit/Delete Message   Reply w/Quote
I was under the impression that 100% mineral oil was the only option for old V8.
Is that true ?
I am installing a High volume oil pump and take this opportunity to ask the question.
I was warned not to go semi since the engine will consum more, leak more, have less oil pressure......What's the reality ?

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bluestreek
Gearhead

Posts: 1017
From: Athens,GA
Registered: Jul 2001

posted 05-16-2002 09:24 AM     Click Here to See the Profile for bluestreek     Edit/Delete Message   Reply w/Quote
I purchased a truck a few years back with 100K miles on it and have used various brands of 10W-40 semi-synthetic oil in it ever since. It now has 250K miles and still doesn't use any oil or have any engine problems! I try to change oil and filter every 3000 miles, but mostly around 5K. I use semi-synth in everything now.

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Pierre
Gearhead

Posts: 349
From: France
Registered: Apr 2002

posted 05-16-2002 09:43 AM     Click Here to See the Profile for Pierre     Edit/Delete Message   Reply w/Quote
What year is the engine in your truck ?

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bluestreek
Gearhead

Posts: 1017
From: Athens,GA
Registered: Jul 2001

posted 05-16-2002 09:58 AM     Click Here to See the Profile for bluestreek     Edit/Delete Message   Reply w/Quote
'88 302.

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Fastback68
Gearhead

Posts: 1280
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 05-16-2002 12:20 PM     Click Here to See the Profile for Fastback68     Edit/Delete Message   Reply w/Quote
I think there's a difference here between people who can tell the difference and people who can't. I have a mixture of synthetic and mineral in my 302 - whatever comes to hand. In the past, sometimes it's been all synthetic and sometimes it;s been all mineral. And I honestly can't tell the difference. But that's just me.

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Pierre
Gearhead

Posts: 349
From: France
Registered: Apr 2002

posted 05-17-2002 04:56 AM     Click Here to See the Profile for Pierre     Edit/Delete Message   Reply w/Quote
Thanks guys !

I will give it a shot when I install the new HV pump and we'll see what happens.

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