AC Delco R44T plugs? R they right 4 me - The 1947 - Present Chevrolet & GMC Truck Message Board Network

dukcaln · 07-24-2011, 08:33 PM

These are what is in the truck now AC Delco R44T....so I pulled the plugs out today, and they are a litle oiled or dark color, but not bad, All look identicle. I am suspecting it is because they are the plugs that got put in at the end of the build and have been used for engine breakin and set up of carb and timing.. not a bunch of miles on her...so my question with my mods what plugs and part number do you all suggest to run. Going to change since I have been driving it and dialing it in some... its a 1972 350cu, original heads just built with the mods below.

**screaminchevypickup** · 07-25-2011, 05:12 AM

Those will work or you could run a r45ts plug as well
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dukcaln · 07-25-2011, 12:01 PM

which is the better plug and do you all suggest I change since these were used in the engine breaking period

**screaminchevypickup** · 07-25-2011, 12:22 PM

I like the r45 plugs but the break in period shouldn't hurt the plugs unless you didn't have the carb set right If they have oil on them then you have other problems
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dukcaln · 07-25-2011, 12:40 PM

I was told the oil slight that it is could be from the engine breaking period and the out of adjusted carb...

Wrenchbender Ret · 07-25-2011, 03:39 PM

I like the R44 TS or R45 TS. They have the extended tip & run cleaner & cooler.

07-24-2011, 08:33 PM	#1
dukcaln Registered User Join Date: Jul 2011 Location: vacaville ca Posts: 1,304	AC Delco R44T plugs? R they right 4 me These are what is in the truck now AC Delco R44T....so I pulled the plugs out today, and they are a litle oiled or dark color, but not bad, All look identicle. I am suspecting it is because they are the plugs that got put in at the end of the build and have been used for engine breakin and set up of carb and timing.. not a bunch of miles on her...so my question with my mods what plugs and part number do you all suggest to run. Going to change since I have been driving it and dialing it in some... its a 1972 350cu, original heads just built with the mods below. __________________ 04 CHEVY LLY LS DURAMAX 4WD. MODS TO FOLLOW, EFI LIVE, BUILT TRANS, LBZ MP, LIFT PUMP *SOLD* 1972 chevy c10

07-25-2011, 05:12 AM	#2
screaminchevypickup Laid Back Join Date: Apr 2010 Location: mcloud ok Posts: 2,658	Re: AC Delco R44T plugs? R they right 4 me Those will work or you could run a r45ts plug as well Posted via Mobile Device __________________ 72 chevy swb Direct dealers for.. Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body.. Kyle http://67-72chevytrucks.com/vboard/s...d.php?t=574629

07-25-2011, 12:01 PM	#3
dukcaln Registered User Join Date: Jul 2011 Location: vacaville ca Posts: 1,304	Re: AC Delco R44T plugs? R they right 4 me which is the better plug and do you all suggest I change since these were used in the engine breaking period __________________ 04 CHEVY LLY LS DURAMAX 4WD. MODS TO FOLLOW, EFI LIVE, BUILT TRANS, LBZ MP, LIFT PUMP *SOLD* 1972 chevy c10

07-25-2011, 12:22 PM	#4
screaminchevypickup Laid Back Join Date: Apr 2010 Location: mcloud ok Posts: 2,658	Re: AC Delco R44T plugs? R they right 4 me I like the r45 plugs but the break in period shouldn't hurt the plugs unless you didn't have the carb set right If they have oil on them then you have other problems Posted via Mobile Device __________________ 72 chevy swb Direct dealers for.. Vintage Air, Porterbuilt, Billet Specialties,Budnik wheels ,eddie motorsports, raceline wheels, intro wheels, Dakota Digital, precision, unisteer, Trimparts, and many many more... Laid Back Recreations.. Full restoration shop and full paint and body.. Kyle http://67-72chevytrucks.com/vboard/s...d.php?t=574629

07-25-2011, 12:40 PM	#5
dukcaln Registered User Join Date: Jul 2011 Location: vacaville ca Posts: 1,304	Re: AC Delco R44T plugs? R they right 4 me I was told the oil slight that it is could be from the engine breaking period and the out of adjusted carb... __________________ 04 CHEVY LLY LS DURAMAX 4WD. MODS TO FOLLOW, EFI LIVE, BUILT TRANS, LBZ MP, LIFT PUMP *SOLD* 1972 chevy c10

07-25-2011, 03:39 PM	#6
Wrenchbender Ret Registered User Join Date: Oct 2005 Location: Overland Park, Ks. Posts: 5,206	Re: AC Delco R44T plugs? R they right 4 me I like the R44 TS or R45 TS. They have the extended tip & run cleaner & cooler.



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