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Re: [T3] Conversion question


Thanks Jim, I'm going to try and stick with the FI.  I printed out the FI
info from the vwtype3 site but it was for a Porsche, I'm guessing that the
systems are very similar, is this the case?  Also, what doesn't apply in the
info?  Again Thanks for the info.

Jim

Jim Adney wrote:

> On 21 Sep 2001, at 23:32, Jim wrote:
>
> > I have a '69 squareback that is Fuel Injected and am wondering what is
> > involved in swithching it over to a duel carb setup and is it worth
> > it? Right now I have a few bugs to work out as it runs like crap with
> > the FI setup.
>
> You can go either way, but neither choice will be simple or easy.
> Both options have daunting learning curves.
>
> Converting to carbs costs a medium sized bundle up front, plus
> you are guaranteed to need a lot of tuning and adjusting of jets
> because the sets you can buy in the aftermarket will not likely be
> jetted properly for your engine when you get them, in spite of what
> the people who sell them to you will say. There is also the problem
> of even FINDING a good source of jets in various sizes these days,
> and of getting all the parts that you really need to install the
> conversion.
>
> Carbs will give you good performance with poor emissions. If you
> live in CA, you should not consider this option.
>
> Another thing to consider about a carb conversion is that you will
> not likely be able to get straight answers about things like what
> your timing should be, because you are likely to have a slightly
> different collection of parts from everyone else here.
>
> Diagnosing and repairing your FI requires that you study the
> system and spend time asking questions here. You are unlikely to
> find someone near you to help, because these systems are pretty
> old now. Once you find the problem, some parts are certainly
> expensive if bought new, but there are good sources of used
> replacements here on this list. MOST FI problems can be fixed
> rather cheaply. The expensive parts are seldom needed.
>
> It's also important to understand that many problems initially
> blamed on the FI are eventually traced to some other system, like
> the engine, the ignition, or the gas tank, which would have affected
> a carb conversion, too.
>
> I should make it clear that I am a proponent for FI. My suggestion
> would be to start down that road first. Either way, the first thing to
> do is to learn how to do a good complete tuneup and do it. Make
> sure the valves and timing are adjusted right and that the advance
> mechanisms are working right. Then check the compression.
>
> Finally, in defence of the FI. Once you get it in good shape it will
> be more reliable and smooth under all conditions that a carb
> conversion.
>
> -
> *******************************
> Jim Adney, jadney@vwtype3.org
> Madison, Wisconsin, USA
> *******************************
>
> -------------------------------------------------------------------
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