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SX455

The official club for enthusiasts of the

Oldsmobile Cutlass Supreme SX

 

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General Cutlass SX455 Q&A

No. 8 sparkplug on 1971 SX with AC
Author Last Post
Does anyone have any helpful tips on changing the No. 8 sparkplug on a 71 with AC. Mechanics have done this for me up until this point but I converted to HEI and want to regap the plugs with a slightly larger gap. The shop manual warns that this is a tight fit and my standard spark plug socket doesn't do the trick. Thanks in advance for any guidance.
 
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