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Yesterday, 09:29 PM
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#1 |
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Registered User
Join Date: Feb 2024
Location: Pleasanton CA
Posts: 197
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Thermostat Change on 250 i6. Thread sealer on bolts?
Hi guys, I will be swapping the thermostat on the 1969 250 i6
Question: Do the two thermostat housing bolts require thread sealer? I don’t recall if water has access into those two threads. If thread sealer is needed, which loctite do you recommend? Thank you!
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1969 C10 Shortbed |
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Today, 03:18 AM
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#2 |
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Registered User
Join Date: Oct 2009
Location: Denton, Texas
Posts: 1,722
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Re: Thermostat Change on 250 i6. Thread sealer on bolts?
Sorry, I don't know about inline 6's, but on a small block it isn't necessary.
For thread sealer, I like to use teflone tape. Hopefully, someone more knowledgable on inline 6's will post the information you're looking for.
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1968 C10 327, 3 speed manual, LWB stock height daily driver. 1968 C20 327, 4 speed manual, LWB stock height custom camper with heavy duty leaf springs rear, 50th anniversary edition. Hoping to press into daily drive status soon. |
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Today, 04:10 PM
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#3 |
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Senior Member
 
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,277
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Re: Thermostat Change on 250 i6. Thread sealer on bolts?
Thread Sealer isn't necessary on L6 T-Stat housings.
The Thermostat Housing is on an assembly that bolts onto the front of the block. No contact with the water jacket.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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