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Discussion Starter · #1 ·
Local parts store show 0.45 for the 84 ~ 85 turbo cars.
They also show 0.35 for the 86 ~ 87.

I asked in another thread if I had gapped my plugs right because I have an 84 and I gapped them at 0.45 per the parts store.

I keep getting advice to gapped them at 0.35 but mine is not an 86 ~ 87 turbo.

Is 0.45 right for the hot airs?
 

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Buick may have recommended 0.045 in the owners manual as well, but if you looking to modify your car at all, go with 0.035.

Buick recommends a A633C ait filter, but as you know there are better (the K&N cone).
 
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