Sorry to bomb the lists with this, but I am unsure who asked the original
question on a SAAB mailing list.
I also copied the Triumphs list for general interest:
> Does anyone know if it is possible to use a 2L 99 engine in a Triumph. I
> have heard that the 99 and the Triumph had used very similar if not
> identical engines at one point. However, I do not know if this means the
> transmission and mountings are compatible.
I had heard the rumors about the shared engine for a while. Just last
night, while picking up some parts for my Triumph, I got into a conversation
about SAAB's and Triumph's, including the shared engine.
My understanding, from my conversation last night with a mechanic who worked
for both Triumph and SAAB dealerships, is that the 99(?) and TR7 shared a
block. I believe it was the 99. The heads were different, as well as some
ancillaries (FI vs. carbs, etc.), but the block/internals were the same down
to tranny and engine mounts. Therefore the two would be interchangable.
They may have been manufactured by the same manufacturer (Triumph).
NOTE: I am not speaking from personal experience, only what I hear from a
mechanic who has worked, maybe certified, for each. Also, I had not seen
your message yet so I was learning mostly for my own curiosity.
If you would like to get more details, drop me a line and I can get you in
contact with this mechanic. I believe he would be willing to talk with you.
Also, if anyone on either list has more information on this, please let me
know. I will compile it and forward it to any interested parties.
The following information, provided by Mikael Aronsson, also indicates that
this did occur and provides some history, again:
____________
The Saab 99 was unveiled on November 22, 1967 and went on sale starting with
the 1969 model year (in the late fall of 1968). The car was at that time
powered by a 1,709 cc, 80 hp Triumph (single carburetor) engine and was
available with manual transmission only. The first automatic trans- mission
version of the 99 was made available half way through the 1970 model year
(in early 1970). This version had basically the same engine, but had
electronically controlled fuel injection (made by Bosch), which yielded 87
hp. The following model year (1971) offered four different versions: 1.7
liter/80 hp, with carburetor and manual transmission, 1.85 liter/87 hp, with
carburetor and either manual or automatic transmission, and 1.85 liter/95
hp, with electronic fuel injection and automatic trans- mission. The 1.7
liter engine was discontinued by the end of the '71 model year, and the 1972
model year versions were originally only available with the 1.85 liter
engine, yielding 88 hp in the carburetor version and 97 hp in the fuel
injected version. A new version of the car, the 99 EMS (which originally
stood for Electronic-Manual-Special), was introduced in February, 1972, with
a new, larger engine. As opposed to the 1.7 and 1.85 liter Triumph engines,
even though this new (1,985 cc) engine was in design similar to the Triumph
engines, it was a nearly entirely new construction, developed and built in
Sweden. This engine is commonly referred to as the 2-liter engine and it
developed 110 hp in the 1972 EMS (with electronically controlled fuel
injection).
The conclusion I am drawing from this, is that you probably need either the
1.7 or the 1.85 liter engine for your Triumph.
___________
ATTN: mjb and mhs, list administrators. Do we need a new list for shared
Triumph/SAAB components? (kidding)
Jack Brooks
1988 SAAB 9000S
1960 Triumph TR3-A
Brooks@Belcotech.com
Jack I. Brooks
Project Manager
Belco Technologies Corporation
201-560-8861
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