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Spark Plugs
What spark plugs should I use in my 87 454 mag? I was thinking about going to the AC Rapid Fire's.
Thanks Dan |
Re: Spark Plugs
Originally Posted by danielthelen
What spark plugs should I use in my 87 454 mag? I was thinking about going to the AC Rapid Fire's.
Thanks Dan Personally I like NGK's best....they just seem to allow the engines to idle better. |
Re: Spark Plugs
AC MR43TS
Its the extended tip version of the stock plug. |
Re: Spark Plugs
NGK BR6FS
will work. |
Re: Spark Plugs
Originally Posted by Griff
AC MR43TS
Its the extended tip version of the stock plug. |
Re: Spark Plugs
Originally Posted by formula31
Which isnt available anymore. The Rapidfire#1's are the same. Im trying those this year instead of the MR43's
I did not know the MR43TS's weren't available. I did know that the Rapid Fires were a cross ref for them. Rapid Fires are good, but pricey if you don't need them. You could just run the automotive version R43TS. If you change them every year, they will be fine. they aren't SS and will rust slightly. |
Re: Spark Plugs
Yea, they are pricy. They have a CR43TS now that may be the same thing as the MR. I havent looked at one yet.
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Re: Spark Plugs
I'll give them a try.
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Re: Spark Plugs
MR43T MR43TS
I have to wonder if it is a generic picture or if they changed them from the stainless version? |
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