Thermostat housing and cover corrosion.

KF6TRG

KF6TRG

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Had the pleasure of removing the original thermostat housing, and cover from my Coupe today. Interesting that the replacement housing has all kinds of sensor connections on the top and I guess I’ll have to plug with brass fittings of some kind. I ordered them from ECS Tuning.
 

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OK, so I’m trying to understand what you’re telling me. There is the thermostat cover that goes on the front of the thermostat housing and you’re saying that that cover should be different from the original style? I ordered both from ECP Tuning. Are you saying that these two parts I ordered will not work together? Are you talking about the actual thermostat itself?
 

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Don will chime in. I am saying there are two versions of the thermostat housing (old and new). This also goes for the thermostat. You need to ensure you have right thermostat for right housing or it wont work properly. Make sense?
 
Yup. more info (pic's, comparison, the 'why' behind it) here:
deQuincey

Post in thread 'Correct Thermostat and Lower Radiator Hose for FrankenEngine'

sfdon said:
There are 2 different t-stats...
Early and late.
The change over date was oct. 1985
All late t-stats belong in a A housing
"A" housings have a capital "A" embossed
On them and all "A" t-stat covers have
an "A" on them also.
You may use different covers but you
must always match the correct t-stat to
the correct housing. You also need to match
the cover to the lower radiator hose. This
because different covers have different
angles to accommodate for the type of
distributor
Click to expand...

+1
the key is not the cover but the housing

old housing: longer tstat
new housing: 5mm shorter tstat...
 
Thanks for advising me of this! The new thermosstat I have is the old style, longer one. Hos may I know if I am buying newer style thermostat, is there a part number? I have the new housing and cover already, and confirmed that the thermostat in my posession does not fit (too long).
 
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