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FBody 09-07-2004 12:46 PM

SBC Spark Plug Suffix Question.
I have the following engine and I'm not sure what spark plug suffix to use on my car:

Motor: 350 Block
Heads: 333882
Intake: Eldelbrock Performer
Carburetor: 600 cfm Holley
Distributor : Stock with Crane XR-i Electronic Module
Coil : Accel Super Street P/N 8140
Spark Plug Wire: Replacement AC Delco

Currently I' using: AC R45TS

My questions are:

1) I believe that I should be using R44 instead of an R45 type,
which one should I use and does it make a difference.

2) Which suffix should I use, is it "TS"?

3) Does my 333882 heads required Spar Plugs of a different type (suffix) than used on the original 1969 Camel Hump Heads?


I forgot to mention that the heads are 76 CC and that the pistons are dished for a total of 8.5 to 1 compression.


docvette 09-07-2004 04:27 PM

Doc here:

Here is a good site on plugs, Go there and read it. It should help you make your choices.


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