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#1 |
Registered User
Join Date: May 2008
Location: Portland, OR
Posts: 5
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Choke Thermostat
Does any body know where I can buy a new choke thermostat for my 1970 250 6 cylinder? The one I have works, it is just that the spring is very week! It looks just like the one in this link.
http://67-72chevytrucks.com/vboard/a...1&d=1260657809 Thanks for your help! Stan. ![]() |
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#2 |
Senior Member
Join Date: Jul 2001
Location: Muskegon,MI,USA
Posts: 6,026
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Re: Choke Thermostat
I have never seen the bi-metallic spring go bad in one of these chokes. If the spring pulls the choke mechanism downward you can reform the rod to shorten it and make it close the choke tighter. (On the V-8's the spring pulls downward to close the choke but I am unsure if on the 6 cylinder it works the same).
Jim
__________________
1971 Shortbox step side 4x4, 350 sbc, 3:07 rear end 1965 Impala SS 400 sbc, Muncie rock crusher 1966 Impala SS 396 bbc, TH 400 1969 El Camino, 350 sbc, TH 350 1971 Snowplow built on a Blazer frame 1972 GMC Short bed, stepside, TH 400, 427 BBC |
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#3 |
20' Daredevil (Ret)
![]() Join Date: May 2003
Location: Jefferson State
Posts: 13,647
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Re: Choke Thermostat
When mine broke (350) I bought a new one at my local NAPA. It was even in stock.
Edit: The bimetal spring broke. If yours is not replaceable and you need the assembly, ignore this...
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- Mike - 1972 K20 LWB 350/350/205 RIP El Jay Last edited by Stocker; 02-07-2011 at 08:55 PM. |
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#4 |
Registered User
Join Date: May 2008
Location: Portland, OR
Posts: 5
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Re: Choke Thermostat
Thanks for the input, The 6 cyl's choke t-stats are different than the V-8's, but you have a good point about the springs not going bad, although the 6 cyl one pushes up on the choke flap to close it, so as it heats up it comes down to open it. It might be binding or it might need a little adjustment, I will look at that. Thanks again for your input!
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