Relating afr to power
#1
TECH Veteran
Thread Starter
iTrader: (6)
Join Date: Nov 2003
Location: Tallahassee, FL
Posts: 4,397
Likes: 0
Received 0 Likes
on
0 Posts
Relating afr to power
Is there a way you can relate an afr correction into power? I pulled out the wb last weekend and noticed I was running 10.9 afr @ 6,000 rpm.
Now, if I moved this to 12.8 that is close to a 2 point afr change. How much power is this?
Example
1 point change = 10hp @ given rpm
I'm sure it's not this easy but, is there a pattern you guys have noticed?
Thanks.
Now, if I moved this to 12.8 that is close to a 2 point afr change. How much power is this?
Example
1 point change = 10hp @ given rpm
I'm sure it's not this easy but, is there a pattern you guys have noticed?
Thanks.
#2
Staging Lane
Join Date: Jan 2004
Location: Anchorage Alaska
Posts: 87
Likes: 0
Received 0 Likes
on
0 Posts
Not sure about an across the board correction factor, but just finished getting mine from 10.5 to 12.2 and picked up 25hp across the board. I think this will vary with the combo.
#5
TECH Senior Member
iTrader: (33)
yes there are some equations, that i actually have used for my thermo class, and you can figure out power from the air fule ratio and fuel flow rates. i never got it to work out though lol
my friends ss we got 10 rwhp moving the a/f very slightly from rich to lean, im sure there was more left, it was prob only a half point that we moved it for 10 hp
my friends ss we got 10 rwhp moving the a/f very slightly from rich to lean, im sure there was more left, it was prob only a half point that we moved it for 10 hp