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There are 2 messages in this issue.
Topics in this digest:
1. Manual transmission Tech notes
From: srubano@xxxxxxxxxxxxx
2. Renault Engines? Alpine A310, cousin of the DeLorean.
From: senatorpack@xxxxxx
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Message: 1
Date: Mon, 19 Feb 2001 04:02:17 -0000
From: srubano@xxxxxxxxxxxxx
Subject: Manual transmission Tech notes
I was just browsing the DMC News Tech session page and noticed an
error in the manual transmission Tech notes. This was already a topic
on the DML. http://www.dmcnews.com/Techsection/manualtrans.htm
Under the reassembly notes it says to use Anerobic sealant on the
transmision case halves, this is correct. But it then goes on to say
that the recommended sealant is called Hylomar. This is incorrect.
Anerobic sealent and Hylomar are two totally different sealents. You
want to use Anerobic sealent on the transmission casings halves and
Hylomar on the end cover and bell housing (along with the paper
gaskets). Anerobic "cures" and is impervious to oils...Hylomar is a
gasket dressing that does not cure and remains flexible. If you
noticed when you take the casing apart, there is a green "stain"
stripe going along the mating surface. This is the original Anerobic
sealent. It cures with the absence of air...in other words if the
sealent is exposed to air, it will always remain soft. But when there
is no air (squeezed inbetween the tranny case) it will cure.
I just wanted to point this out so that maybe the tech session could
be updated so noone else makes that mistake. If the person uses
Hylomar in place of the Anerobic sealent on the transmission casing
halves, it's going to leak.
I learned all this thanks to Rob, I asked him about using the Hylomar
as the tech session described and he told me that that was wrong and
Hylomar and Anerobic sealent are two tottaly different sealents.
Permatex does manufacture both sealents under their respective name.
The Anerobic is red in color and the Hylomar is Blue.
Steve
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Message: 2
Date: Sun, 18 Feb 2001 23:31:04 EST
From: senatorpack@xxxxxx
Subject: Renault Engines? Alpine A310, cousin of the DeLorean.
The Renault Alpine A310 is the cousin of the Douvrin V6 powered
DeLorean.
Some say that the Esprit is the brother, however the DMC and older A310's
have similar versions of the 2.8 liter 2849cc alloy Renault V-6 PRV. (They
have different compression ratios, horsepower and fuel injection systems.)
Look closely for Volvo stamped on the engine wiring harness on both.
The engines were assembled in the City of Dieppe, France. The PRV
engine
was a cooperative effort by the three car manufactures to produce a fuel
efficient, reliable engine for the upper end of the three European car
makers
models.
The PRV has proven to be very reliable in the DeLorean. Based on what
I
have experienced & read, the added on stuff like the Bosch fuel injection
components and subsequent accessories i.e. Duceiller alternator
(pronounced
Duce-a-lay) in the early DeLoreans, are what give DeLorean cars a bad
reputation for reliability.
When the diagnosis is fuel contamination from bad gasoline, and the
required fuel parts replaced, the DeLoreans will return to reliability.
Generally, these fuel parts go bad just from sitting for who knows how
long...
However, the block and valve train are rock solid, IF the engine is
maintained properly and is not overheated. Overheating can attribute to
blown
headgasket's and warped heads. (pressure test your DeLorean coolant and
remove any air from the cooling systems and keep a close eye on the
temperature gauge).
There was an update in early 1981 for the PRV, which did not apply to
production DeLorean automobiles. The early PRV versions before 1981 had a
premature camshaft wear and oil flow problems. This was corrected before
the
DeLorean went into production. This information was substantiated by a
retired Chrysler/Eagle engineer and P1800 collector I know.
There are several versions of the engine. Volvo B28F & B280F, Renault
Alpine & R30, Peugeot 604, Eagle Premier & Medallion all used the PRV
engine
in the United States.
The Eagle cars of the USA used the PRV in the Medallion. The Eagle's
are
Renault cars, tagged as AMC/Eagle (when Chrysler purchased AMC/Renault in
the
1980s). However the Eagle's are electronic fuel injected, where the
DeLorean
is mechanical injection. Additionally, there are different displacements &
subtle differences for each car that the PRV engines was used in.
I remember talking to John Truscott at the DeLorean Factory in Ireland
about the PRV. He did some extensive research on the PRV engines and their
differences. Evidently, the version used in the DeLorean was the Renault
PRV
V-6, and the only car to use this exact Renault version. This makes the
DeLorean PRV engine very unique.
A good friend, fellow car collector & DeLorean owner here in the
Washington, DC area, was interested in the Renault use of the PRV engine.
He
explained how Bill Collins (DMC chief engineer) wanted to use the complete
&
available Renault Alpine A310 chassis, suspension and PRV V-6 engine for
the
DeLorean. (This would have made the DeLorean's arrival to the American
market
much earlier.) The Alpine weight is much less, is slightly longer, not as
wide, with both having similar weight distributions.
John DeLorean contracted Lotus to do the reengineering of the
prototypes, and you know the rest...
Lotus did win the 1978 world Grand Prix with Mario Andretti driving. Team
Lotus put a Renault V-6 normally aspirated & turbo charged engine with
Renault running gear in the Lotus Racing cars. Renault was a big racing
sponsor and supplier of transmission to Lotus Esprits.
Eventually, DeLorean Motors purchased several of the Renault Alpine
A310
cars for evaluation and comparison of the engine and transmission. DMC had
one of the Alpine switched to an Automatic too. These cars were auctioned
off
at the DeLorean Factory Auction when the plant closed.
While I was in Germany and Switzerland, I became impressed with both
new
and older versions of the Renault Alpine. Throughout my stay in Europe, I
encountered and was passed by several Renault Alpine GTA V-6 factory turbo
and A310's.
While I was in Europe I was driving a new 2001 BMW 723i. The 723i is
the
German version of the 740il USA. I was running flat out between 210 - 215
km
on the Autobahn. The Renaults passed me like I was stand still.
You can see more at:
http://www.alpinerenault.com
and
http://www.renault-alpine.com/
Mike Pack
VIN 3713
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