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>Hi all,
>
>I'm converting my 6volt 1500S to a 12v 1600 engine. Not that I wanted to,
>but the 6V parts ( flywheel, crankshaft,... ) are too expensive for me,
>so... Now I was wondering if I have to change the choke heater element on my
>carbs. Someone I know said that it isn't neccesary, but I want to make sure.
I have not done this, but I don't think that your 6 V choke elements will
last long at 12 V. With twice the voltage they will be trying to dissapate
4x the power; that should burn them up rather quickly--if they don't blow
instantly. I believe the old 6 V elements are getting quite pricy, so if
yours are still good you might be able to make the switch and sell your old
ones for a net gain.
>By the way, is it true that the engine will loose performance when I use
>unleaded fuel, instead of leaded fuel ? The heads are capable of working
>with unleaded, but the guy in the garage told me to still use leaded fuel,
>too keep the engine at maximum performance. Will it also consume more
>fuel/100 km ?
In my opinion your mechanic is spouting ancient hogwash. Lead does not
produce power; it was there as a cheap way to enhance octane and prevent
preignition (aka, knock, ping.) Your car needs sufficient octane to prevent
knock, which WILL mechanically damage it, but unless you have this problem,
you don't need the lead, or any other octane-enhancing solution.
Jim
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Melissa Kepner Jim Adney
jadney@vwtype3.org jadney@vwtype3.org
Laura Kepner-Adney
Madison, Wisconsin
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