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01-04-2014, 10:29 PM
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#1 |
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Registered User
Join Date: Jan 2014
Location: Newport North Carolina
Posts: 27
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Need Help!
Hey guys, I am new to this forum but have been lurking here for quite some time. I just purchased an 87' CC dually with the 454 and TBI but I am having some issues with it so I am starting from the beginning with a tune-up. One problem I have is; I'm not sure what sparkplug to run in it. I went to the local Carquest and got plugs before I pulled the old ones and they are not even close to what was in it. What came out was an AC delco CR43TS and they gave me an AC delco R44T as the replacement. The former ones are about an 1/8 longer on the electrode than the later. So which one do I use? I have searched and searched the forums to see what you guys are running with that particular stock set-up to no avail. Any help would be greatly appreciated.
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01-04-2014, 11:25 PM
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#2 |
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Registered User
Join Date: Aug 2005
Location: Louisiana
Posts: 711
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Re: Need Help!
Vin N takes CR43TS
Vin W takes R44T Pretty sure TBI takes CR43TS but, check your VIN to make sure. |
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01-05-2014, 01:12 AM
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#3 |
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Registered User
Join Date: Dec 2013
Location: Humble, Texas
Posts: 185
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Re: Need Help!
Check and see if the emission label is still under the hood. If so, it should list the recommended plug.
__________________
I know the "VOICES" aren't real but they have some great ideas. 1978 GMC Sierra Classic C25 1983 Datsun 280ZX Turbo 1997 Chevy Cheyenne K2500 1999 Polaris Sport 400 |
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01-05-2014, 02:20 PM
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#4 |
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Registered User
Join Date: Jan 2014
Location: Newport North Carolina
Posts: 27
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Re: Need Help!
Ok thanks guys, I appreciate all the knowledge that is posted on these forums. I'm sure it wont be the last question I have since the truck has some issues that I'm trying to iron out.
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