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| andrich |
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Hi,
i was told by my mechanic that my ute (XD 351 gas) needs a tune, and that its running really rich. This would have a big impact on my fuel economy true? he said its running really rich, its got a gas research kit and you can smell a strong gassy smell when you turn it off
_________________ BA XR6 Turbo, Blueprint, 18's, Premium Sound, Leather. |
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| sickd |
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gonna have to take it to gas place or somewhere they have an air fuel ratio meter they can put in exhaust and tune it bye driving it and making small adjustments all you can do to get it right, i have same prob and have yet to do anything about it lol.
_________________ BA XR8 BOSS 260
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| andrich |
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lol yeah thats what my mechanic said. it should improve my economy if its tuned correctly ay, as well as power? cheers
_________________ BA XR6 Turbo, Blueprint, 18's, Premium Sound, Leather. |
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| andrich |
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would a tune improve my economy and power as it is running really rich at the moment? i called a place near me that said itl be around 90-140 bux to tune it and what not, depending on whats needed, sound pretty fair? thanks
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| balizticbobo |
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Dyno time cost money.
When you get it running right, it will have more power, run smoother, have crisper throttle response, and be heaps better on fuel.
_________________ 13.28@103.73mph |
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| -GAS-MAN- |
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Way better running too rich that too lean, a mechanic i spoke to the other day told me its better for the engine to drive it hard as the excess gas which doesnt get burnt protects the valves and so forth
Sounds logial, wonder to what extent it is true
Matt
_________________ it can be fast and cheap,but it wont be reliable |
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| ltd351T |
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-GAS-MAN- wrote: Way better running too rich that too lean, a mechanic i spoke to the other day told me its better for the engine to drive it hard as the excess gas which doesnt get burnt protects the valves and so forth
Sounds logial, wonder to what extent it is true Matt not with gas mate, thats actually a proven recipe for valve recession, with petrol what you said holds, but with gas if it runs rich, it actually behaves the total opposite of petrol, rich on gas=hot, so rich gas burns up the exhaust valves. gas has to be tuned properly, rich or lean is bad, rich is not safe with gas, neither is lean. |
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| andrich |
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balizticbobo wrote: Dyno time cost money.
When you get it running right, it will have more power, run smoother, have crisper throttle response, and be heaps better on fuel. yeah na thats what i was thinking, that quote was form "The Gas Man" so i think il take it there, il b lookin forward to getting it done, theres a realli strong gas smell and its using a fair amount of gas, cheers mate
_________________ BA XR6 Turbo, Blueprint, 18's, Premium Sound, Leather. |
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| andrich |
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ltd351T wrote: -GAS-MAN- wrote: Way better running too rich that too lean, a mechanic i spoke to the other day told me its better for the engine to drive it hard as the excess gas which doesnt get burnt protects the valves and so forth Sounds logial, wonder to what extent it is true Matt not with gas mate, thats actually a proven recipe for valve recession, with petrol what you said holds, but with gas if it runs rich, it actually behaves the total opposite of petrol, rich on gas=hot, so rich gas burns up the exhaust valves. gas has to be tuned properly, rich or lean is bad, rich is not safe with gas, neither is lean. really? i would have though what GAS MAN said would have been right, but i guess ya learn sumthing new every day. lol but il definately book it in for next week then, cheers guys
_________________ BA XR6 Turbo, Blueprint, 18's, Premium Sound, Leather. |
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| Samsy |
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I was told that runnung rich was better than lean. I was told that at Crescent motorsport.
_________________ XB 351 and BA GT |
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| balizticbobo |
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Theres a difference between rich and slightly rich!
The problem with gas is that most of the people who fit and tune gas, don't know what they're really doing. Yes lean is bad, very very hot, rich is also bad, very hot. You want it as close to lambda as possible, and when under WOT a bit richer. Go to the gas research website and download their tuning manual. It at least gives you target AFR's to work with. http://www.gasresearch.com.au/
_________________ 13.28@103.73mph |
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| OBS35N |
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ha ha u own a 351 and you complain about fuel econ lol. mind you i have a turbo forester xt and the fuel econ is hithouse lol and its only a 4 cyl
_________________ OBS35N is gooonnnneeee.
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| andrich |
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OBS35N wrote: ha ha u own a 351 and you complain about fuel econ lol. mind you i have a turbo forester xt and the fuel econ is hithouse lol and its only a 4 cyl
hahha na na i wouldnt own it if i didnt wana pay the bill, it just seems ABIT to high even for a 351,lol my family owns a few 351's we dont realli worri that much about what they use
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| andrich |
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balizticbobo wrote: Theres a difference between rich and slightly rich!
The problem with gas is that most of the people who fit and tune gas, don't know what they're really doing. Yes lean is bad, very very hot, rich is also bad, very hot. You want it as close to lambda as possible, and when under WOT a bit richer. Go to the gas research website and download their tuning manual. It at least gives you target AFR's to work with. http://www.gasresearch.com.au/ thanks mate, yeah i no what u mean its running more then slightly rich so better to get it tuned, i downloaded the tuning manual so il check it out, cheers thnx
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| andrich |
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i emailed the place where im wanting to get a tune and they said that they dont use a dyno. Should they be able to tune it well without it or is it alot better to get it dyno tuned? any1 reccomend a place which uses a dyno in Sydney, inner west
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