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 1700 Crank on 1500 balance shaft?

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T O P I C    R E V I E W
beardydavePosted - 05 Aug 2018 : 18:02:39
Whats the impact of this?

More vibration im guessing, but is is too much? Car will be a road car, not a track.
6   L A T E S T    R E P L I E S    (Newest First)
mellePosted - 05 Oct 2018 : 14:30:04
http://www.saab-v4.co.uk/speedball/topic.asp?topic_id=33271

www.saabv4.com
JonPosted - 05 Oct 2018 : 14:23:53
I've never heard of there being separate balance shafts for each size of engine. Knowing Ford, they commonise where thay can.

Jon
http://www.dutton.co.uk/saab/
WoodyPosted - 06 Aug 2018 : 21:09:49
The Competitions Dept recommended the 1500 balance shaft to be used in 1500 and 1700 rally variants. See the Tuning Guide.
I used to have a tuned 1730 motor and it too had the 1500 balance shaft.
Just to confirm what has already been suggested.
beardydavePosted - 06 Aug 2018 : 19:32:14
Sounds ok to me then.

I've got enough to do on that engine without buying more bits.
TTruckiePosted - 05 Aug 2018 : 21:55:22
I've got a 1500 balance shaft in my tuned 1700 engine and seams fine. A guy who has rallied V4s for years said he always used 1500 balance shafts.
mellePosted - 05 Aug 2018 : 18:11:34
The S&R catalogue prescribes a 1500 balance shaft for a >1700 engine, so should be OK. I'm still not sure what the differences are: http://www.saab-v4.co.uk/speedball/topic.asp?topic_id=33271 I have 1700 balance shafts for sale if you insist on using one, but to be honest I wouldn't bother if you have a good 1500 balance shaft.

www.saabv4.com

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