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Re: [ST] FI simple or complecated (was Counter Rotating Brakes)
- Subject: Re: [ST] FI simple or complecated (was Counter Rotating Brakes)
- From: david.funk@xxxxxxxxxxx
- Date: Wed, 19 Apr 2006 00:17:33 +0000
I am in complete agreement with you that FI is much easier for the end user / mechanic side. And it works better too. I agree that working on carburetors is much harder then FI.
But that is because you do not work on FI systems. You replace parts until it works again; usually expensive parts. Thankfully FI only breaks very rarely.
The simple carb, that is very very hard to work on, usually still makes the motor run even if poorly. A broken FI's typical symptom is the motor does not run.
If two systems are equal, of coarse I want the simple one.
But if the complected system is better and very reliable, give me that one.
David W. Funk
-------------- Original message --------------
From: "Sprint ST" <sprint_st@xxxxxxxxxxx>
> What I believe makes the FI seem so complicated is the complete system. The
> ECU, sensors, coils, plugs and if you want the fuel pump may appear
> complicated because they have to work together and when it was being
> developed it was complicated. If you have a problem now your game boy tells
> you what the problem is. It's almost like board swapping in computers. The
> carb on my Toyota Land Cruiser in 1976 had 15 vacuum hoses coming out of it
> to all kinds of pollution devices. It had a distributor for the electrics
> and a sad coil system. Try trouble shooting that. The double pumper
> Holly's and Rochester spread bores I ran on Chevy small blocks were also
> fun. Finding the problem took a lot of time. My comment FI being less
> complicated is based on that in this stage of development the FI system
> really isn't that complicated for the end user / mechanic side. The
> complications are in the system design. When you talk about the "simple
> carb" with it's simple slide and float, you should have had to fix a set of
> four manual slide Keihin's on a Kawasaki Z1 that one of which had a passage
> way gummed up or the floats weren't set right or they were out of sync
> (syncing those puppies was a pure joy to get right not just good enough for
> govt work). It's all in perspective. From mine, it was much more difficult
> to iron out problems and maintain the carb based systems than the new FI
> systems because they almost tell what to do. The fix may be expensive, but
> it is usually very well defined.
>
> Rod
>
>
>
> -----Original Message-----
>
> Subject: Re: [ST] Counter Rotating Brakes
>
>
>
> A simple Carb has a slide that goes up and down, plus the float which does
> not move very much. So operationally a carb are very simple.
>
>
>
> While I have no problems with my Sprint ST, it is very easy for me to think
> of things, lots of things, that would make it better. Until the actual,
> usable performance of counter rotating brakes is know it is just an
> interesting idea. I would like to know more.
>
>
> David W. Funk
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