Swapping a B204 for a B205R - The Saab Link Forums

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Performance Modifications for the NG900 / Old 9-3 This forum contains PERFORMANCE related Q&A's for the NG900 and 9-3. This may also include suspension.

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Old 07-09-2012, 04:50 PM   #1
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Swapping a B204 for a B205R

What are the consequences if I put a B204 long block with a T7 intake instead of a B205R motor? I'm trying to get my vert back on the road before the summer is over and didn't want to break the bank.
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Old 07-09-2012, 09:20 PM   #2
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No consequences really. Use the b204 bottom end, a b204 head gasket, the b205 head and intake and you'll be good as gold.
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Old 07-09-2012, 09:21 PM   #3
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The t5 bottom end is also known to be a little more stout than the t7
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Old 07-10-2012, 04:21 AM   #4
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The B205R is trashed though, the piston bent the valves. Is it possible to use the B204 head with a T7 intake?
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Old 07-10-2012, 04:44 AM   #5
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Yes, buy its a lot of work.
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Old 07-10-2012, 04:53 PM   #6
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nevermind, I have a B205R head, disreguard my last post. Now the b204 block has a hole above the CPS as opposed to the B205R block that doesn't. Do you block the hole?
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Old 07-10-2012, 05:04 PM   #7
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what exactly do you mean by hole? one that isn't supposed to be there?
pictures would be helpful.
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Old 07-10-2012, 05:58 PM   #8
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The hole in the b204 is for a water line to the turbo. You can block it off, but then you will need to use the waterpump housing from the b205 (that's where the water line goes) You'll need to use the connector pipe from the b205 as well (housing to block) I prefer to use the water line from the block and the b204 water pump housing (if you have the b204 water line). Makes future waterpump or a/c compressor replacement much easier without that line on the end of the pump

What year is the b204?
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