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Sizes Of Radiator And Heater Hoses?

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Old Sep 7, 2005 | 07:46 PM
  #1  
roughskinjrz's Avatar
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From: Miramichi, NB
Car: 86 Monte Carlo
Engine: Blown 489
Transmission: TH400
Axle/Gears: 9" 370s
Sizes Of Radiator And Heater Hoses?

im looking to purchase new stainless steel hoses for my motor and im wondering what size they are?

i measured with a measuring tape and the left heater hose going into the firewall looks to be 0.8(im assuming its 0.75 or 3/4) and the right heater hose looks to be 1.1 or 1.2, which equals to what 5/8's?

and the radiator hoses looks to be 2" in diameter, is this right?

thanks for any help

i was just looking for hoses on summitracing.com
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Old Sep 7, 2005 | 07:53 PM
  #2  
roughskinjrz's Avatar
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From: Miramichi, NB
Car: 86 Monte Carlo
Engine: Blown 489
Transmission: TH400
Axle/Gears: 9" 370s
i dont think it makes a difference does it, but the motor is from an early pickup

3970010 is the block number (69-80 350 4 bolt)

but the hoses comes off the radiator and from the firewall so it shouldnt make a difference
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Old Sep 8, 2005 | 11:15 AM
  #3  
five7kid's Avatar
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
They typically go by ID, and are 5/8" and 3/4" for the heater hoses.

I've never had occasion to check the radiator hoses.
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Old Sep 8, 2005 | 11:51 AM
  #4  
roughskinjrz's Avatar
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Joined: Jul 2005
Posts: 1,423
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From: Miramichi, NB
Car: 86 Monte Carlo
Engine: Blown 489
Transmission: TH400
Axle/Gears: 9" 370s
thanks very much
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