Fred,
A while ago an Australian magazine "Hot Fours" took a modern turbo four
cylinder car and after tuning it and doing a complete oil and filter change
using "regular" oils put the car on a dyno. They then changed ALL the oil
(engine, gearbox and dif) for the appropriate synthetic and ran the car for
100km before putting it back on the same dyno. They measured and an increase
in rear wheel horsepower in the order of 6% and they claimed the
temp/humidity etc where the same.
Still don't think I would put it in my BJ7 but I did run full synthetics in
my Nissan 200sx turbo for 6 years and had no problems.
Cheers
Pieter
-----Original Message-----
From: healeys-bounces+pieterscheen=optusnet.com.au@autox.team.net
[mailto:healeys-bounces+pieterscheen=optusnet.com.au@autox.team.net] On
Behalf Of Fred Wescoe
Sent: Saturday, July 26, 2008 10:06 PM
To: Healey List
Subject: [Healeys] Synthetic Oils
I have wondered about the sensibility or value of changing to synthetic
oils.
When compared to normal oils, do the synthetic oils really allow less engine
wear, remove more deposits allowing for the longer change intervals and are
they really more fuel efficient? Are they more beneficial to the engines.
Is
one better than another?
I have looked at various web sites and I find just the usual company hype of
their own products and no hard evidence to support their claims. I could
not
find anything comparing synthetics to one another or to conventional oils.
Both of my owners manuals, Volkswagen and Audi, say specifically that use
of
synthetic oils will not affect the new car warrantee so the synthetic oils
are
manufacturer approved. Both of these cars are relatively new cars with less
than 16,000 miles on each.
I don't believe changing the Healey to synthetic oil is sensible but is it
beneficial to change my other newer and lower mileage cars to synthetic?
Are
there recommended or specific filters for the synthetic oils?
What is the collective experiences and wisdom of the list?
Fred
63 BJ7
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