--- James Blumenfeld <[email protected]> wrote: > Date: Tue, 2 Oct 2001 11:48:55 -0700 (PDT) > From: James Blumenfeld <[email protected]> > Subject: rpm dependent fuel enricher > To: [email protected], [email protected] > > Brian, > I built for my 87 gti 16v a rpm dependent fuel > enricher. I used a RPM switch (also used for a > shift > light) from racer parts wholesale ($49.95). When > the > revs go over 4800 (adjustable) the switch gives a > ground trigger; this goes to one side of the relay > coil . The other side of the coil goes to the full > throttle switch. When the revs are above 4800 AND > the > full throttle switch is activated the relay will > trip. > I then wired the relay so that when tripped it puts > a > 1500 ohm resistor into the circuit. I then > paralleled > this resister with a 10k potentiometer that is > mounted > on the dash (in one of those blanks by the radio). > In > this way I can tweak the mixture from the dash. In > my > car I found that the 1100 ohm value was too high. > Also if you tweak the setting on the fuel > distributor > your 1100 ohm value may no longer be correct. (The > red knob on the dash looks cool too). > Back in the day (when I had hair) racers would > put > a potentiometer into the dash temp control so that > they could adjust the mixture whilst racing. > > James Blumenfeld > 87 gti > (ex ITA, Firehawk, ProRally & enduro karter) > > > > __________________________________________________ > Do You Yahoo!? > Listen to your Yahoo! Mail messages from any phone. > http://phone.yahoo.com >
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