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Radiator Hose Rehash - Needed for TR8 / Carbed /

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"Paul MacDonald"

Radiator Hose Rehash - Needed for TR8 / Carbed /
« on: March 22, 2018, 10:58:21 AM »
Just ordered one from Woody





-----Original Message-----

From: owner-tr8@mercury.lcs.mit.edu [mailto:owner-tr8@mercury.lcs.mit.edu] On

Behalf Of Bill

Sent: March 22, 2018 10:48 AM

To: WWWedge

Subject:  Radiator Hose Rehash - Needed for TR8 / Carbed / A/C



Listers,



I know this string was running not long ago but I deleted it before I realized

I cannot find the hoses I might have bought 20 years ago (LOL).B  Family is

going on vacation without me so it is a 3 day marathon garage jam to get the

motor installed in my '80 convert.



Are there any stateside sources with upper or lower hoses still available?



Has anyone sorted an alternate, even if cut & paste, with part numbers?



Need to reseal the trans too, suggestions for gearbox seal sources?B  Do they

oftern leak at the main jpoint or just at the speedo cable hole and output

shaft?B  My clutch area was very dry so no issue there.



TIA,



Bill

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Major Tom

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #1 on: March 22, 2018, 12:43:54 PM »
When I needed to have my radiator re-cored I broke high temp fan

switch on the left top.



At the local yard I found a Saab with an inline dual temp switch.



That made things easier, because the local parts place (autozone) was

able to give me 2 hoses and the Saab switch fit right in as a

'coupling' at the top with easy access. Of course I had to take in my

old hose for sizing.



Hope that helps.

Bill Derksen

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #2 on: March 22, 2018, 01:20:34 PM »
In my experience, the most common transmission oil leak is from the

selector shaft where it goes into the housing at the upper rear. I've

never had a speedo drive leak.



Cheers

Bill

Bill

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #3 on: March 22, 2018, 02:02:57 PM »
Is that a 'split the tranny' leak fix?

Bill Derksen

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #4 on: March 22, 2018, 04:27:59 PM »
Yes. To do it proper you have to machine the rear cover so that you can

put a standard double lip seal in there. I machined mine using a router

bit in a drill. Hasn't leaked a drop since. The router bit had a guide

bearing that kept it nicely centered in the shaft hole. You MIGHT be

able to remove the rear cover without pulling the whole tranny - but

I've never tried it. If you do this, make sure to replace the oil pump

gears while you are in there.



(Now, if I could just have similar luck with Engine oil leaks...!!)



Cheers

Bill

Darrell Walker

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #5 on: March 22, 2018, 04:30:46 PM »
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Bill

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #6 on: March 22, 2018, 04:45:51 PM »
Well it is already on the floor.B B  And I have a bridgeport mill.



But is it worth the effort if i am going to sell the car...B  Is there no

seal at all in the stock setup?

Darrell Walker

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #7 on: March 22, 2018, 04:51:07 PM »
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Mark Elbers

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #8 on: March 22, 2018, 08:21:58 PM »
This modification looks like a winner.



Do any of you folks that have completed the upgrade to the lip seal  on the

selector shaft,  have either the seal part number ,the router bit dimensions

and instructions on how to do the machining with normal home workshop tools?



Mark Elbers







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Darrell Walker

Re: Radiator Hose Rehash - Needed for TR8 / Carbed /
« Reply #9 on: March 22, 2018, 08:30:00 PM »
Hi Mark,



The seal I used came with the gasket and seal kit I bought.  I donbt know if

that is what they intended it for, but there wasnbt any other place to use

it.  The seal is 0.0625" ID, 1.000b OD.  The only other markings on it are

bNAKb,  bTCb. b2b and b0.250b.  The last one, I think, is the

width.



I had a machine shop do the work, so I can comment on that part.



-Darrell



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