Thread: air/fuel guages

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i am somewhat baffeled
with setting up the tri power on the 29'er the engine is a sbc,all the good stuff inside etc still seems to be running a little too rich.
would it be better to tune each carb by vacuum?,that would work i think
for 1200 to 1400 rpm,but not so good at idle since the engine would run
off the center carb,the end ones are set up with pretty much no idle circuit.
the area i live in is about 4500' a.s.l.if this is tthe case would i be better
off getting a air/fuel guage such as made by edelbrock?
has anybody out there played with these,are they worth the trouble of installing them?

the 29'er is running great,except for the faint smell of unburn't fuel,maybe i'm
just a little too pickey
checked the plugs,timing,water temps ok

I bought a sunpro from jc whitney and a cyberdyne o2 sensor, that comes with a bolt on flange, but I drilled a hole the correct size and welded it to my pipe. I bought mine cause' of the turbo. N/A should not need it, just get a carb syncronizer which operates off vac

donnie g, your going to have to throw most of what people say out the window... your at 4500ft this is going to make you tune your car alot different then most.. first the timing will need to be alot higher then most so you start to burn the fuel alot sooner ....i see you have a sbc most of the time a sbc will run with 15deg at idle to full adv of about 36deg.. you need to put it 23-27 at idle and may even have to go 40-42 total.. as for fuel start leaning it out alot what you may think is to far is more then likely not enough..i have raced at mile high dragway and the tune up there was so far off i just changed carbs and the timing was 13deg higher then anywere else i ran... good luck with it.

you're right about the timing,my setup seems really "happy"at 12*,
no run on etc,& it makes the most vacuum at that setting!