Re: can you swap B23X engine for the B207R in 9-3 - Saab 9-3SS Bulletin Board - Saabnet.com


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Re: can you swap B23X engine for the B207R in 9-3
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Posted by Paul E [Email] (more from Paul E) on Mon, 11 Nov 2019 22:15:04 Share Post by Email
In Reply to: can you swap B23X engine for the B207R in 9-3, Gregg [Profile/Gallery] , Mon, 11 Nov 2019 09:40:49
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Each engine family has pros and cons, easy fixings and "What in the he!! were they thinking?" design features. I've driven both flavors fairly substantial/bordering on stupid mileages over the years and I'm comfortable with either of them.

That said, even if one wanted to swap a stock B23x engine into a 9-3SS, I don't believe the 23x would fit into the engine compartment of the sport sedan engine bay, length-wise. Engine management systems, cylinder head layouts (exhaust and intake locations on the cylinder heads) are completely different, to name a couple things, as well. If anything, swapping a different GM Ecotec head onto a B207 and dropping *that* into a 9-5/9-3 could be slightly easier, as I think there were head designs with exhaust and intake sides flipped, for different applications.

Paul
Current:
'05 9-5 Arc wagon
'05 9-3 Arc sedan
'05 9-3 Arc convertible (project)
'11 9-5 turbo4
'86 9000T


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