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3-Bolt L20B Thermostat Housing


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Huh???:confused:

 

Most all L series had two bolts holding the outlet to the thermostat housing. The thermostat housing on all L series is bolted to the side of the head with two bolts. There are some rare(ish) housings that have a three bolt outlet.

 

thermostathousing002Large.jpg

 

Pretty sure they never came on the 620 truck but they did come on the '79 200sx. Since the 620 and 200sx shared the same head in '79, perhaps this head was swapped.

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