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SVT Shelby GT500
Think Engine just threw a rod or something???
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<blockquote data-quote="Weather Man" data-source="post: 14574913" data-attributes="member: 137766"><p>There is a lot of info out there that months old gas in a tuned car is a bad idea. This is just one that I found. The air was also very brisk...suspect gas and cold air are a bad combo.</p><p></p><p>"Lachlan Riddel, proprietor of Gold Coast based tuning company ChipTorque, frequently dyno tests cars which have not previously been driven for several weeks.</p><p></p><p>“On the fuel mix we have in Queensland, I think fuel in a car’s tank is starting to go off in around three weeks,” Mr Riddel says. “We can tune a car, put it away for three of four weeks, come back to it and it will be either closer to detonation or less likely to make the same power.</p><p></p><p>“I think local fuel is brewed to reduce evaporative emissions in warm weather and, maybe because of that, fuel really goes crappy in eight to ten weeks. By that stage, the fuel is extremely prone to detonation.”</p><p></p><p>Interestingly, Mr Riddel hasn’t noticed the engine becoming harder to start but the effect on octane is pronounced.</p><p></p><p>Similarly, the General Manager of Melbourne’s Advanced Vehicle Operations, Steve Coates, believes fuel tends to go off in a car’s fuel tank quite quickly once it’s a couple of weeks old.</p><p></p><p>“After a couple of weeks not driving a car, I find that it will be closer to detonation than it was at the time of tuning on the chassis dyno,” he says.</p><p></p><p>“And the brand of fuel seems to make a difference as well – I find that Mobil and BP products are probably the best after being stored but Shell Optimax is really good when it’s new." "</p></blockquote><p></p>
[QUOTE="Weather Man, post: 14574913, member: 137766"] There is a lot of info out there that months old gas in a tuned car is a bad idea. This is just one that I found. The air was also very brisk...suspect gas and cold air are a bad combo. "Lachlan Riddel, proprietor of Gold Coast based tuning company ChipTorque, frequently dyno tests cars which have not previously been driven for several weeks. “On the fuel mix we have in Queensland, I think fuel in a car’s tank is starting to go off in around three weeks,” Mr Riddel says. “We can tune a car, put it away for three of four weeks, come back to it and it will be either closer to detonation or less likely to make the same power. “I think local fuel is brewed to reduce evaporative emissions in warm weather and, maybe because of that, fuel really goes crappy in eight to ten weeks. By that stage, the fuel is extremely prone to detonation.” Interestingly, Mr Riddel hasn’t noticed the engine becoming harder to start but the effect on octane is pronounced. Similarly, the General Manager of Melbourne’s Advanced Vehicle Operations, Steve Coates, believes fuel tends to go off in a car’s fuel tank quite quickly once it’s a couple of weeks old. “After a couple of weeks not driving a car, I find that it will be closer to detonation than it was at the time of tuning on the chassis dyno,” he says. “And the brand of fuel seems to make a difference as well – I find that Mobil and BP products are probably the best after being stored but Shell Optimax is really good when it’s new." " [/QUOTE]
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Think Engine just threw a rod or something???
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