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Re: 101 Vs 105 drivetrain



Thanks John.  At least I know what original parts I really need should I
find a 101 in pieces, and I was particularly concerned about front
suspension interchangeability.  The body with all panels and front
suspension would be the minimum requirement.  If I found a complete
Giulietta for the 'right' price, so much the better.

The idea was to:

1. get me a Giulietta.
2. keep a Giuliettta chassis number active, even in non-original condition,
rather than see it dumped.
3. collect enough spares to carry out a faithful resto (eventually).

I figure that sourcing parts would be easier with the car on the road as
someone will always say "I used to have one of those, got some bits at home
somewhere".  Hiding a part restored hulk in the garage would make the job
that much more difficult.

Thanks again

Beatle
Oz

-------Original Message-------

From: John Hertzman
Date: Thursday, 20 March 2003 02:04:15 PM
To: alfa@domain.elided
Cc: Paul Bayly; TJCallahan@domain.elided
Subject: Re: 101 Vs 105 drivetrain

Responding to Beatle Bayly's question "what is involved in fitting 105
series
engine/tranny/rear axle and front suspension to a 101 chassis. Is it at all
feasible ?", Tom Callahan wrote (among other things) "The rear axle is a
standard 'upgrade' for 101 racing types, the LS of the 105 is desirable as
is
the disk brake set up. - - The drive shaft will have to be modified, I
believe. Shortened, but best to make your measurements once everything else
is
in."

It's thirty-three years since I sold my Giulietta, (with unmodified
mechanicals) so I claim no expertise, but I would have thought there was
more
work and less advantage to a rear axle swap than this suggests. LS was
available for the 101, and disk brakes were also, cutting the advantage. The
spring seats and shock mounts (above the axle on the 101, on the radius arms
ahead of the axle on the 105) would require some modification/fabrication,
and
the upper radius location fitting (ball joint on a vertical taper for the
101
A-arm, rubber bushes on a horizontal pin for the T-trunion on the 105) would
also take some finessing. Don't know if the drop-brackets on the axle for
the
radius arms (or the hull brackets at the other end) are a simple bolt-on
match-up, but I would be surprised if either was. All of this could be done,
but the discrepancies should be noted.

An engine swap would not be as much of a problem, especially if a 1600, but
the tighter engine bay would complicate things around the induction system,
exhaust system, and alternator, and the motor mounts probably won't match.
The
105 oil pan certainly won't fit in a 101; a 116 oil pan on a 105 engine
should
fit.

The front suspension, which was part of Beatle's question, is totally
different.

Not that it couldn't be done. One correspondent down Beatle's way sent me a
photo of a Triumph TR-2 hull with a 105/115 engine, transmission, rear axle,
front suspension and steering (and Alfa grill), and a Giulietta would not be
much harder (or much easier) than that. It would just take a welding torch,
cutting attachment (or Sawzall), time, and a cavalier spirit. Maintaining
the
possibility of a later faithful restoration (which was part of Beatle's
proposal) would complicate the process. Other than all that, why not?

Enjoy,

John H., Raleigh, N.C.
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