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Bought an 84 3/4 pu with a 292. went to buy some spark plugs and they did not fit. Took out the existing plug and went to buy some more of those. Found a website that tells what parts go into vehicles. I put in the spark plug number and almost all of the engines were of the dodge, jeep flavor---no GM.
engine block number is 3789404 66-76. Head gasket needs to be replaced, do Dodge parts fit on Chevy?
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Joined: Jan 2012
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Block # shows 1963-90
292 4.8L withouth integral intake manifold.
Dodge and Chevy are not the same.
Not sure about the plugs but not suprised that one plug will fit multiple engines.
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Joined: Jul 2000
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What kinda plug is that 405? autolite,Champion,I no not a AC ????
Larry/Twisted6 [oooooo]  Adding CFM adds boost  God doesn't like ugly.
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Joined: Feb 2007
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The vehicle may be an 84, but it appears to have an engine from
the late 60's. Chevy 292 motors in that period used plugs that
were a long reach(3/4 in threads). Those plugs were also used in
Chryler products. If you look up a '68 Chev P/U C20 with a 292,
the plug number is a 405 Autolite. It is also a 405 in Champion.
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Joined: Feb 2007
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BTW The block may be from an 84, but the head may have been
changed, as all 194,230,250 and 292 heads are the same configuration.
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Thanks everyone, i really appreciate the input, knowledge, and advice. Definitely feel much better going forward.
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41 Coupe:
I am going to be changing the head gasket, should I order for the 60ish or the 80ish engine. I am unsure if they are identical or not?
Thanks
Last edited by adrnmrnda; 02/22/12 03:17 PM.
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Joined: Oct 2007
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ITS NOT UNCOMMON FOR A CHEVY I-6 TO CRACK CYLINDER HEADS, GET IT HOT AND BET ON IT BEING CRACKED. MIGHT BE THE REASON YOU THINK IT NEEDS A HEAD GASKET !!!!! I HAVE A N.O.S. GM 292 HEAD GASKET IF YOU NEED ONE.
BOB
1-423-384-8938
I BELIEVE IN " JOHN 3:16 "
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BC:
i have pulled the plugs and there is coolant on cylinders 3 & 4, I bought the truck and it has been sittin for a few years, if i have to i will rebuild but if a gsket change gets it going tht is okay with me.
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