Transmissions and Drivetrain Need help with your trans? Problems with your axle?

Transmission cooler install .. issues..asap!

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Old Feb 4, 2008 | 04:35 PM
  #1  
vorgath's Avatar
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From: San Diego, CA
Car: 1991 Camaro RS
Engine: LO3
Transmission: 700R4
Axle/Gears: 3.42 LS1
Transmission cooler install .. issues..asap!

Bought the B&M SuperCooler, the 70268 model. I need to install it by completely bypassing the stock radiator oil cooler (the bottom inlet/outlet threads are badly damaged, so yes it LEAKS !!!)

What are the fittings one needs on the transmission side ? 5/16 inverted flare ? Are there going to be different ones w different threads ?

Also not sure how to do the rest because I don't know whether the B&M cooler uses 5/16 or 3/8 rubber hose?


(Engine is now running, just need to adjust rockers, due to clicking noise, but the leaking transmission cooler/lines prevent me from driving the car)
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Old Feb 4, 2008 | 04:54 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Transmission cooler install .. issues..asap!

The fittings on the transmission side are 5/16" inverted flare. The B&M cooler probably uses some size of pipe thread.
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Old Feb 4, 2008 | 07:06 PM
  #3  
vorgath's Avatar
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Joined: May 2005
Posts: 1,701
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From: San Diego, CA
Car: 1991 Camaro RS
Engine: LO3
Transmission: 700R4
Axle/Gears: 3.42 LS1
Re: Transmission cooler install .. issues..asap!

What are the threads ?

This came up as a listing
http://www.partsamerica.com/ProductD...tNumber=240390

But I felt I should check with you guys instead, considering Kragen claims they don't carry a fan relay, but they do carry the fuel pump relay (same relay, same part number hahahaha)
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Old Feb 4, 2008 | 07:09 PM
  #4  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: Transmission cooler install .. issues..asap!

The threads on a 5/16-IF tube nut are 1/2-20, IIRC.
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Old Feb 4, 2008 | 07:20 PM
  #5  
vorgath's Avatar
Thread Starter
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Joined: May 2005
Posts: 1,701
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From: San Diego, CA
Car: 1991 Camaro RS
Engine: LO3
Transmission: 700R4
Axle/Gears: 3.42 LS1
Re: Transmission cooler install .. issues..asap!

awesome .... so.... to go 3/8 all the way I'd have to get 1/2-20 fittings for 3/8 hose, to go on the transmission side
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