Don't Knock It!

[Speed on the Water]

Mercury Racing's Rick Mackie fills us in on why engine knock happens and how we can prevent it.

https://speedonthewater.com/in-the-news/commentary/4910-don-t-knock-it

 

[Ratickle]

Surprising how well the 1100 does on 89 Octane.

Great engine....

 

[fund razor]

I usually put in 91 or 93, knowing that gas can sit a while in a boat, and octane loss doesn't sleep.

 

[Ratickle]

I wish they had done a bit more explanation as to why the higher compression engines leave unburnt pockets of fuel that ignite too late.

 

[fund razor]

I wish they had done a bit more explanation as to why the higher compression engines leave unburnt pockets of fuel that ignite too late.

It was written by a marketing guy. It was pretty informative for an Adver-torial.

 

[MOBILEMERCMAN]

I wish they had done a bit more explanation as to why the higher compression engines leave unburnt pockets of fuel that ignite too late.

Me too. I don't follow that logic. Seems contrary to previously explainations