AC Delco spark plug questions

I am trying to change my spark plugs in the next few days and unfortunately, all of the stores locally are not showing any AC Delco 41-125 plugs ...

i run a thinner head gasket, cam and bolt ons and im thinking it should be smaller say .40. i run ac delco plugs what do you guys think it ...

These engines are picky in what plugs go in them so please use nothing other then the ACDelco 41-103. Additionally, stay away from purchasing ...

Ok got a fun little story for ya, then a question for 305 owners. So when I got the truck it had ACDelco CR43TS spark plugs in it.

Example: MR43TS would be replaced with CR43TS. People swear by NGK People swear by AC Delco People swear by Autolite And so on and ...

... recommendation and had two related questions with it. First, what spark plug is the best to run in these engines as to brand (AC Delco, Autolite

... minutes to a few hours just going dead without even fouling, AC DELCO C87 plugs are now junk. It took alot of complaining and question aski...

ACDelco GM Original Equipment Conventional Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

So I recently purchased From ACDelco via Amazon 41-103 as these are considered a good part number for my 02 TB. Swapped the plugs and the ...

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors.

Anyone running spark plugs other then ac Delco ; Old 08-04-2017, 07:40 AM ; Dustya. Drives: Overkill Supercharged 2016 CamaroV6. Join Date: Mar ...

The platinum and then iridium plugs are spec'ed for the Gen II vans. Gen I gets copper plugs. AC Delco CR43TS, I think. But there's no ...

The head design determines the plug type, i.e. head to plug seal design.. There are two seal designs -- gasket ring or tapered seat.. Your heads ...

Spark plug replacements Motorcraft or AC Delco? Jump to Latest ... I have no problems with my autolite iridium plugs. Granted mine is ...

Simple Spark Plug Question 66-67 GTO Tempest & LeMans TECH. ... All my AC DELCO catalogs from 1971 up call for AC R45S plugs in 67 GTOs and ...

I have no idea who is making the plugs now, but if you compare them to AC spark plugs from approx 5-6 years ago - the mfg quality difference is ...

Current PN for Iridium plugs is ACDelco 41-162/19417055. NGK equivalent is TR5IX (7397). Platinum plugs are ACDelco 41-962 and NGK TR5GP (3186) ...

I saw a GM TSB on the 41-110 plug gap question. The short version is basically as follows.... The new Spark Plug has an Iridium tip instead of ...

your gonna find the R44S ac plug for replacement. the difference in heat range between 44S n 45S is very little. back in the '70s when spark ...

I've never heard of anyone using AC Delco plugs in a BMW. I don't know if it would be a problem, but who knows. As this thread has already ...