Richard Welty responds to Tim Buja with ...
it seems unlikely; saab did quite a bit of redesign when they
went from the 1.85L Triumph engine to the 2.0L B-engine (and
It seems that I may have unintentionally restricted the scope of
Tim's posting. Tim wrote the article and I, totally oblivious to
SAAB's subsequent redesigns of the Triumph engine, generated the
Subject: line when I reposted it. Based on Richard's article, a more
general Subject: line would read: SAAB turbo -> TR-7. Or better yet,
no Subject: line at all. Please consider his questions in that light.
umm, deleting 2L from the subject line doesn't change anything. as
far as i know, saab never turboed the 1.7L engine or the 1.85L engine;
the turbo experiments started in the mid-70s after the 1.85L was
history, and the first Saab turbos to reach the US market were in 1978,
based on the 2.0L B engine. i think that they may have been available
in europe 6 months to a year earlier, but i'm not sure. even so,
the 1.85L engine was pretty much gone by the 1973-1974 time frame.
turboing a 1.85L engine would be a pretty nasty proposition; in the
2.0L turbo, saab changed pistons, valves, and cams. all the early
turbo Saabs had bosch CIS (``K jetronic'') fool injection; most
1.85L engines had carbs (possibly Bosch D-type was used on some.)
turbo --> carbs is not a good design approach, if you can avoid
it (this is why early Maserati Biturbos don't work very well;
Maserati hadn't gone to fool injection yet.)
all in all, this is a pretty terrifying can of worms that's been
opened up here.
richard
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