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tuning gas
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meecar Offline
#1 Posted : Friday, 17 October 2008 3:38:53 AM(UTC)
meecar

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hey all, ive lent my brothers vk 253 its on gas and badly needs a tune can anyone tell me the best way to tune it such as how many turns of the 2 knobs on the mixer and how many turns on the knob thats on the hose that goes to the carby. cheers
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The Yeti Offline
#2 Posted : Friday, 17 October 2008 5:21:19 AM(UTC)
The Yeti

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its not that simple if it were there wouldnt be knobs they would be factory set.

1/ whats ti doing wrong?
2/ what system is it, Landi, Impco etc?
3/ straight gas / duel fuel?

and thats just for starters

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See The Yeti's Chev build at
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Bazzajd1 Offline
#3 Posted : Monday, 24 August 2009 8:21:38 AM(UTC)
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Assuming its duel fuel on a carb.
youll have 2 Mixture screws on the Converter,
and 1 on the line running to the Mixer.
Is it economical - Poor take off - Weak / Good cruise? (Up inclines)
Is it economical - Good take off - Weak / Good cruise?
Is it poor economy - Poor take off - weakcruise.
Is it poor Economy - Poor take off - Normal cruise.

Hows the idle? Is it over heating?
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peter_flane Offline
#4 Posted : Monday, 24 August 2009 8:47:02 AM(UTC)
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Maybe it needs spark plugs, or leads?

http://www.ehlimo.com.au/
If it is old or rare - Cut it! http://www.ehlimo.com.au/
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Casper Offline
#5 Posted : Tuesday, 25 August 2009 10:46:58 AM(UTC)
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Make sure the air horn is tight and sealed to the top of the carby if Impco.
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vintageholden Offline
#6 Posted : Tuesday, 25 August 2009 11:51:05 AM(UTC)
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you need a 02 meter

must be running good on petrol first.........
plugs points leads etc
then get lpg running

only $70 for a tune anyway...
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bronsonHX Offline
#7 Posted : Friday, 28 August 2009 8:12:42 AM(UTC)
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probably be better to get a mechanic to do it, gas systems are far too touchy for my liking
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vintageholden Offline
#8 Posted : Friday, 28 August 2009 10:10:39 AM(UTC)
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are you in perth
come and see me
AAA Autogas
94705090
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