When to use BPR4ES in G29

tom4416 · 08-05-2023, 06:38 PM

The shop manual lists the NGK BPR4ES as an alternate plug but gives no guidance on when to use. BPR2ES is, of course, the standard plug. I run my cart in the neighborhood, sometimes for 10-15 minutes at a time but very seldom as short cycled as it would be on a course. I'm thinking that maybe the 2ES is a bit too hot of a plug for that type of use but then again, no guidance from the shop manual and the owners manual only lists the 2ES as the recommended plug.

I'll probably try a BPR4ES just to see if it fouls or causes driveability problems but just wondering what the expert opinion is from this cadre of experts. Thanks as always.

CP241 · 08-05-2023, 06:58 PM

Higher altitudes with less air would benefit from a colder plug

Also I’d think the opposite, lots of short trips would be better with a hotter plug to burn everything out better. A colder plug would be better for someone who does linger extended driving with a cart

08-05-2023, 06:38 PM	#1
tom4416 Gone Wild Join Date: Jul 2015 Location: Tucson, AZ Posts: 158	When to use BPR4ES in G29 The shop manual lists the NGK BPR4ES as an alternate plug but gives no guidance on when to use. BPR2ES is, of course, the standard plug. I run my cart in the neighborhood, sometimes for 10-15 minutes at a time but very seldom as short cycled as it would be on a course. I'm thinking that maybe the 2ES is a bit too hot of a plug for that type of use but then again, no guidance from the shop manual and the owners manual only lists the 2ES as the recommended plug. I'll probably try a BPR4ES just to see if it fouls or causes driveability problems but just wondering what the expert opinion is from this cadre of experts. Thanks as always.

08-05-2023, 06:58 PM	#2
CP241 Nincompoop village idiot Join Date: Apr 2018 Location: Michigan Posts: 9,673	Re: When to use BPR4ES in G29 Higher altitudes with less air would benefit from a colder plug Also I’d think the opposite, lots of short trips would be better with a hotter plug to burn everything out better. A colder plug would be better for someone who does linger extended driving with a cart

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