87 442 307 Vin 9 spark plugs

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Mat1227

Greasemonkey
Aug 28, 2010
129
12
18
Richfield, Ohio
Car is all original, what spark plugs, wires, dist cap, etc are you all using in your cars? Weather should break soon and I want to do a tune up. I bought the car last August, only drove it home, needs a tune up, and was working on our 71 Cutlass S so never even drove it again. Don't remember so many different spark plugs available before.

Mark
 
Oct 14, 2008
8,806
7,746
113
Melville,Saskatchewan
Get NGK plugs in the 4 or 5 heat range. Not sure of the longer plugs # for swirl port motors.
 

88hurstolds

Royal Smart Person
Jun 24, 2008
1,747
652
113
7A VIN9 swirl port heads use AC Delco FR3LS6 or 5614000, I think a later Delco number is 41-630 or 88901234.
You can use those numbers to cross reference to other vendors.
Gap is 0.060"
Rockauto.com has cap and wires if looking for basic stuff.
 

dacutty

Not-quite-so-new-guy
Mar 13, 2014
11
0
0
Near Detroit MI
I was running E3 (E3.56) spark plugs in my 87 442 that was smashed by a drunk driver. They seemed to work pretty well. I just put ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19308030 in my new replacement 87 442. They seem to work great. I have never had any issues with ACDelco plugs. I have had issues in the past with Bosch and NGK plugs.
 
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