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350 radiator in a 305?

Old Jul 17, 2003 | 04:48 PM
  #1  
cunawarit's Avatar
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From: Southampton, Hampshire, UK.
Car: 1990 IROC-Z daily driver
Engine: 305TPI
Transmission: Automatic
350 radiator in a 305?

I have a 1990 IROC-Z with a 305 TPI.

Will it go on without any mods? I got stuck in traffic during a steamer of a day and my car heated up to 240!!! On the open road it runs at around 160-180...
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Old Jul 17, 2003 | 11:48 PM
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breathment's Avatar
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From: Bedford, Tx
yes cause its the exact same radiator.
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Old Jul 18, 2003 | 02:39 AM
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cunawarit's Avatar
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From: Southampton, Hampshire, UK.
Car: 1990 IROC-Z daily driver
Engine: 305TPI
Transmission: Automatic
Originally posted by breathment
yes cause its the exact same radiator.
Parts suppliers list the rad for the 350 at around £50 more than the rad for the 305... Are they just charging more money for the same rad?
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Old Jul 18, 2003 | 10:03 PM
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From: Bedford, Tx
check to see if they are both the same. 3 core if all metal. 1 core it aluminum and plastic. for some reason their parts suppliers might decide a 350 needs a larger rad. but as far as 350 vs 305 they are the exact same externaly so the rads are exactly the same as far as bolt up. Autozone #'s are the same for both as are GM #s.
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Old Jul 19, 2003 | 04:24 AM
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cunawarit's Avatar
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From: Southampton, Hampshire, UK.
Car: 1990 IROC-Z daily driver
Engine: 305TPI
Transmission: Automatic
right... will check... Anyway, I'll try to get my radiator roded out instead... Hopefully that'll do it.
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