DIY WB update

Bruce nacelp at bright.net
Fri Aug 14 05:22:42 GMT 1998


From: "Brian L Massey" <blocklm at juno.com>
Subject: Re: DIY WB update
> On Fri, 14 Aug 1998 00:38:21 -0400 "Bruce" <nacelp at bright.net> writes:
> > Again, that's for my car.
> > You can't just latch onto numbers, its from testing and doing what
> > the engine wants that leads you to where you'll windup.
> > A correct statement for WOT in a turbo application would be more
> > like 9.5 to 14:1 AFR can be ideal.
> > There are just so many variables.

> OK, if that's the case I understand. Wow, an afr range of 9.5 to 14:1!
> Yow. That just makes me want to start asking more questions to figure out
> why the range is so huge! Science, isn't it annoying? :)
> Brian

I sand bagged you.
No one limited the discusion to gasoline.
Or to what boost conditions we were talking.
A diesel at 60 PSI is quite a different animal.
But, the range is still rather large, ie you can use fuel as a cooling
agent, and then run seemingly overly rich, and still make power.   Using a
well designed Intercooler would tend to min the need for that.

What I've done is way over design my system, in some areas.  ie, other then
the Intercooler I could probably support in the neighbor hood of 600 HP.
But I run alot less then that, and have lots of room for trying various
ideas.  I also, have some ability to move sensors around to see what is
going on.  Then with some datalogging can try and make sense to what is
actually happening
Bruce



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