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05-11-2010, 04:27 PM
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#1 |
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Registered User
Join Date: Mar 2009
Location: Highland, IN
Posts: 64
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spark plug question
I'm planning on a tune up for the 250 in my truck, and I was wondering if the brand new AC Delco 41-629 plugs I have laying around would work or would it be better if I just go out and buy a different set
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11-12-2014, 08:25 PM
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#2 |
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Registered User
Join Date: Nov 2009
Location: Austin Texas
Posts: 370
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Re: spark plug question
What did you figure out on this? I'm in the exact situation.
__________________
BaBaBooey BaBaBooey  GO SPURS GO!!! |
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11-12-2014, 10:53 PM
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#3 |
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Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,228
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Re: spark plug question
I,m not familiar with that numbering system. The early 250 engines used a long reach plug with a gasket. The later ones had the standard thread length & a tapered seat.
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11-13-2014, 07:44 AM
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#4 |
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Registered User
Join Date: Nov 2009
Location: Austin Texas
Posts: 370
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Re: spark plug question
Yeah I'm just gonna buy new ones. I don't know where those ac delco ones came from but I have 6 brand new ones. The threads are almost twice as long though.
__________________
BaBaBooey BaBaBooey GO SPURS GO!!! |
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