ButchM's latest activity
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ButchM reacted to Keith Seymore's post in the thread What is my new squarebody??? Need help! with
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1GCGD34J2GF394406 decodes to 1986 model year, where G = 1986 F = Flint Assembly 394406 = serial portion of VIN I might have put the... -
ButchM replied to the thread What is my new squarebody??? Need help!.Carmen What year is the truck you're asking about? Butch
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@Beast496 beat me to it If the transfer slots are over exposed, by the butterfly being open too far, it will be running off of the...
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ButchM replied to the thread BBC 396 wil not idle with any carb.Adrian While trying to get this sorted out you should leave it connected to manifold vacuum for sure. By the vacuum number you mentioned...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Jake Glad to be of help.
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ButchM reacted to Juke22's post in the thread Did this K20 come factory with catalytic converter? with Like.
Thanks Butch. I passed emissions with flying colors. It might’ve been the cleaner I added to the tank, but I changed the air filter...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Jake As I recall advancing timing lowers CO, CO2 and HC. It also raises NOX but it doesn't look like they are measuring that for you. It...
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ButchM reacted to Ricko1966's post in the thread Did this K20 come factory with catalytic converter? with Like.
I'm just afraid they'll bring back cash for clunkers again to promote EV sales and try to get more ICE off the roads. I don't Facebook...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Paul This is the body type chart for 84, yours is an 03. This is the exhaust parts illustration for the LT9 engine. These are the...
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ButchM reacted to Catbox's post in the thread Did this K20 come factory with catalytic converter? with Like.
Just for the FYI of it.... My Canadian born and raised truck had a cat under it. So I have to keep them under it to pass the test. Lame...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Paul I'll dig up all the info I can and get it over to you later today or this evening. Butch
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ButchM replied to the thread What is this 2 prong Plug above the oil filter?.We had a new 84 K10 the Mrs drove as I was gone much of the time in the navy. One day while home, she mentioned that there a weird...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Todd Apologies, I had not expanded the post you replied to. Thanks B
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.Post #7 is from Juke22, who I sent the parts manual pics for his 86. Post #23 from Paul @84GMCSierra is asking for charts for his 84...
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ButchM replied to the thread Did this K20 come factory with catalytic converter?.He said the under hood sticker was missing. I was asking about the Service Parts Identification sticker/label that should be on the...
