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  oil cooling line modifications? for 3800SC swap and 4t65EHD

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oil cooling line modifications? for 3800SC swap and 4t65EHD by Curtisk1060
Started on: 09-17-2013 11:01 PM
Replies: 2 (381 views)
Last post by: Darth Fiero on 09-18-2013 09:01 PM
Curtisk1060
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Report this Post09-17-2013 11:01 PM Click Here to See the Profile for Curtisk1060Click Here to Email Curtisk1060Send a Private Message to Curtisk1060Edit/Delete MessageReply w/QuoteDirect Link to This Post
What are the best and cleanest looking options for the re-connection of the plastic transmission line fittings to the existing transmission cooling lines for an 88GT w/auto to begin with, when installing my 3800SC w/4t65EHD. Any pics? part numbers, etc. advice is what I'm looking for. Curtis
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darkhorizon
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Report this Post09-17-2013 11:26 PM Click Here to See the Profile for darkhorizonSend a Private Message to darkhorizonEdit/Delete MessageReply w/QuoteDirect Link to This Post
There are some "4t80e" fittings on summit.

I have used cut stock lines with hoses smashed over them for 10 years and counting..... you could also throw compression fittings on cut stock lines.
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Darth Fiero
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Report this Post09-18-2013 09:01 PM Click Here to See the Profile for Darth FieroClick Here to visit Darth Fiero's HomePageClick Here to Email Darth FieroSend a Private Message to Darth FieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
Below is a list of fittings and braided hose I recently bought from Jeg's to plumb a 4T65-E trans up to Fiero trans cooler lines.



The weld-on fittings were purchased so I could TIG weld them onto an existing trans cooler we already had. You can buy external trans coolers that already have threaded fittings on them so you don't need to weld anything.

The 5/16" inverted Flare (1/2"-20 thread) to -6 AN "brake" adapters were used so we could get a "bullet proof" connection between the hard (steel) lines on the car and the -6 braided hose. The stock mild steel and even the stainless steel trans cooler lines (sold by the Fiero Store) can be double-flared at the transmission side easily enough with a good flaring tool.

Upon advice from my trans builder (www.tripleedgeperformance.com), I've been removing the stock Fiero radiator from the trans fluid cooling loop and only running an external cooler of at least 26,000 GVW capacity mounted out in front of the A/C condenser.

I no longer use rubber cooler hose and clamps on any of the swaps I do nor am I a fan of compression fittings. AN 37 deg flares or double (inverted) flares are all I use and recommend when making connections to hard lines.

The stock Fiero mild steel (and also the Fiero Store stainless) trans cooler hard lines are 5/16" diameter which is a -5 size in AN. Finding -5 AN fittings is difficult and expensive hence the reason for the adapters from inverted flare to -6.

Talk to Dave @ Triple Edge for the special fittings to screw into the transmission itself so there is a -6 AN hookup directly on the trans.

-ryan

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[This message has been edited by Darth Fiero (edited 09-18-2013).]

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