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Old 01-31-2017, 06:46 PM   #1
solidaxel
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L S 3 Swivel Thermostat housing

I am having trouble placing the stock thermostat in the new LS3 and need a swivel housing
The stock thermostat is a 86* C, and would like to stick with the one that came with the engine
I have a Mr Gasket housing but the O ring gasket (stock) will not fit in the after market housing and the after market thermostat is a 82*
Street and performance has closed its doors so is there anyone else there that makes a swivel housing?
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Old 01-31-2017, 09:01 PM   #2
mongocanfly
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Re: L S 3 Swivel Thermostat housing

I know spectre makes a swivel neck p/n4939...and mr gasket..pn/2670
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Old 02-01-2017, 12:28 AM   #3
solidaxel
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Re: L S 3 Swivel Thermostat housing

Thanks, I will look that one up
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53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD)
53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25
55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73
62 Solidaxle Corvette Roman Red (327
340hp 4spd 3:36) C4 & C5 suspension tube chassis
LS 3 4L70E
65 Corvette Coupe 327 350hp 4spd 4:11
78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42
2000 S-Type 3.0 (wife cruiser)
2003 GMC SCSB 5.3 4L60E 3:42
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Old 02-02-2017, 10:06 AM   #4
flipper58
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Re: L S 3 Swivel Thermostat housing

Not sure if this will fit your application, but I used this Billet Specialties model on my stock 307 when I installed a new aluminum, twin fan radiator.

https://www.amazon.com/Billet-Specia...mostat+housing

The quality was very good and a nice seal.
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Old 02-02-2017, 10:27 AM   #5
solidaxel
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Re: L S 3 Swivel Thermostat housing

Stock L S water pumps and thermostats are a "bit" different

Thanks
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53 TuTone Extended Cab 350 4-Spd 3:08 (SOLD)
53 Chevy Moldy pearl green ZZ-4 4L60E 9" 3:25
55 GMC 1st Black Mll (ZZ4) ZZ6 TKO 600 5 sp 3:73
62 Solidaxle Corvette Roman Red (327
340hp 4spd 3:36) C4 & C5 suspension tube chassis
LS 3 4L70E
65 Corvette Coupe 327 350hp 4spd 4:11
78 Black Silverado SWB (350/350) 5.3 & 4L60E 3:42
2000 S-Type 3.0 (wife cruiser)
2003 GMC SCSB 5.3 4L60E 3:42
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