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Do i need to upgrade my stock 82 radiator for a 13b SP?

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Old 08-16-21, 09:31 PM
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Do i need to upgrade my stock 82 radiator for a 13b SP?
like the title asks, do i need to upgrade my stock radiator for a 13b sp? and if so, can i use the mazdatrix 4 pass radiator with the stock water pump?

https://mazdatrix.com/product/radiat...2-race-4-pass/
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Old 08-16-21, 11:52 PM
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Is your car having cooling problems?

Or is your radiator just getting rusty like mine?
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Old 08-17-21, 12:38 AM
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No problems, Im just movi g from a 12a in my 82 to a 13b sp.
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Old 08-17-21, 07:45 AM
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No.
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Old 08-17-21, 11:02 PM
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ok so the other question, can the stock water pump handle the 4 pass radiator?
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Old 08-18-21, 03:30 PM
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There is someone on here from Canada that just did this or a similar swap. Might search for his thread.
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Old 08-18-21, 03:45 PM
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The Renesis swap thread? That guy is using a Koyo.

I don't think I've seen anyone use the Mazdatrix 4 pass radiator. Might need a different pulley on the water pump, but they do answer tech questions so I'd say email is your best bet.
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