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51Back to top Go down    Re: Thermostat gasket. on Sat Mar 01, 2014 1:17 pm

tgolden


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robmack indicates in post 47 that it's not a good fit. Perhaps we need a confirmation.

If anyone has bought a gasket that fits or doesn't fit, please indicate the complete maker and part number.

Regards

BMW OEM - perfect fit (manufacturer & part no. TBD)
ttg26 - fits when used with Tridon High Flow Thermostat TT2014-180
ttg47 - not a good fit (too large)
ROL Gasket WO8285-001 - does not fit

Reinz 225 33099 071 - does not fit - too large, 60mm diameter



Last edited by tgolden on Mon Mar 03, 2014 11:07 pm; edited 2 times in total

    

52Back to top Go down    Re: Thermostat gasket. on Sun Mar 02, 2014 8:22 am

charlie99

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the gasket does the job well

the new thermostat has solved my recent and not so recent (over the last 3 years and 2 different radiators and 2 stock thermostats ) heating issues big time .

not even idling for over 20 minutes in traffic jam moderately hot day ....in the mid thirtys (c) at least ...(after a quick run of over 150 kilometres ...so it was well heated and up to temp )....could convince the system that it even came close to turning the fan on.
or even indicating much over 92 degrees .,,,,at any part of a 600k (round about) trip over hill, spirited mountain climb and dale

thoroughly recommend the process ...

ill detail it somewhere else


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
    

53Back to top Go down    Re: Thermostat gasket. on Sun Mar 02, 2014 9:03 am

tgolden

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@charlie99 wrote:the gasket does the job well

the new thermostat has solved my recent and not so recent (over the last 3 years and 2 different radiators and 2 stock thermostats ) heating issues big time .


Which gasket?

Is the new thermostat original BMW or substitution?

Please provide details.

Regards


__________________________________________________
1985 K100RS USA Model WB1051300F0042533 - Original Owner
Delivery: 04/85 - Motorradhaus Ebert, Höchberg, Deutschland
    

54Back to top Go down    Re: Thermostat gasket. on Sun Mar 02, 2014 9:21 am

charlie99

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@tgolden wrote:
@charlie99 wrote:the gasket does the job well

the new thermostat has solved my recent and not so recent (over the last 3 years and 2 different radiators and 2 stock thermostats ) heating issues big time .


Which gasket?

Is the new thermostat original BMW or substitution?

Please provide details.

Regards

the substitution ttg26 gasket and the high flow Toyota thermostat as mentioned earlier

I have some other findings though ,,,, as said, ill post the results ....when I can get pics up from the phone .


__________________________________________________
cheezy grin whilst riding, kinda bloke ....oh the joy !!!! ...... ( brick aviator )

'86 K100 RT..#0090401 ..."Gerty" ( Gertrude Von Clickandshift ) --------O%O
    

55Back to top Go down    Re: Thermostat gasket. on Sun Mar 02, 2014 9:53 am

tgolden

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Just to make it clear for everyone, so they can source this gasket if need be:

ttg26 is Tridon Thermostat Gasket TTG26

This gasket fits when used with Tridon High Flow Thermostat TT2014-180.


http://www.tridon.com.au/Products/Product.aspx?SG=8&S=35&G=479&P=2003

http://www.onlineautomotive.com.au/Tridon-Thermostat-Gasket-TTG26



The TTG26 looks as though it has a longer rectangular cross section than the BMW OE u-seal and may not fit on the BMW OE thermostat.

I think we are still looking for an aftermarket thermostat u-seal that fit the BMW OE thermostat.

Regards


__________________________________________________
1985 K100RS USA Model WB1051300F0042533 - Original Owner
Delivery: 04/85 - Motorradhaus Ebert, Höchberg, Deutschland
    

56Back to top Go down    Re: Thermostat gasket. on Mon Mar 03, 2014 8:56 pm

diesputnikdie

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I took delivery of the eBay gasket today and I'm sad to report that it does not fit.

The ID of the eBay gasket is ~60mm while the OD of the thermostat is 47mm, according to my caliper. TTG26 appears to have the correct ID and OD measurements.  Unsure about thickness though.


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1985 BMW K100RS (SN:0040831)
    

57Back to top Go down    Re: Thermostat gasket. on Mon Mar 03, 2014 11:04 pm

tgolden

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What's the resolution of your caliper?

If you can take some accurate measurements to the nearest 0.1 or 0.01 of a mm, then please check the dimensions of the thermostat housing inside diameter and the thermostat flange diameter that mounts the u-seal as well as the thickness of the flange where the u-seal mounts.

I contacted Max BMW parts to see if they could source this u-seal like Motorworks does. They are looking into it, but requested some dimensions, because they don't have a thermostat in stock.

Regards


Replacement Thermostat U-Seal Status:

Fits OE thermostat:
1. BMW OE - perfect fit (manufacturer & part no. TBD)
2. Motorworks COA60717* - fits (may be OE), but expensive due to UK international shipping charges

Fits w/ aftermarket thermostat:
1. Tridon TTG26** - 48mm OD, fits when used with Tridon High Flow Thermostat TT2014-180

Does not fit:
1. Tridon TTG47 - 50mm OD, not a good fit (too large & cross section not square)
2. ROL Gasket WO8285-001 - does not fit
3. Reinz 225 33099 071 - 60mm OD, does not fit - too large

* UK/EU source
** Oz source
*** USA source


__________________________________________________
1985 K100RS USA Model WB1051300F0042533 - Original Owner
Delivery: 04/85 - Motorradhaus Ebert, Höchberg, Deutschland
    

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