does anyone now which spark plugs would be best to suit straight gas on my 5ltr?
You will need Platinum Plugs for Gas.
If it's not a Symptom its not relevant, and if its not relevant I don't care!
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The 1972 HQ Kingswood
The 1989 VN Turbo Rally Project
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glow plugs are for diesel
Holden genuine plugs are pretty good and well priced. Last lot I got from a local dealer from a bulk pack they had cost me about $2 each. My car runs on petrol and after the recommended 45000km change interval the plugs are not worn out at all. They are japanese and have a groove.
my car runs on straight gas and is running decent power so i think the ngk 7 might be the plug for me