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Location:
Perth, WA
Registered:
June 2004
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4AC Fuel?
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Sun, 11 July 2004 05:17
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Just wondering what type of fuel the 4AC in my aussie sprinter is made to run on. I'm running it currently on Lead Replacement but it's kinda smoky (blue kinda smoke) and misses at low revs (1000-2500) so i'm not sure if it's meant to run on unleaded???
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Location:
Melbourne
Registered:
November 2003
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Re: 4AC Fuel?
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Sun, 11 July 2004 10:11
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I did some research on this when I bought mine. Turns out the 4AC is made to run unleaded. Trouble is our standard unleaded is not good enough and so you'll have to run Premium.
Mine is running a lot better on PULP than it was on LRP.
I doubt changing fuels will help the smoke situation though.
Cheers,
Dan
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I supported Toymods
On probation
Location:
Brisbane, Queensland
Registered:
January 2003
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Re: 4AC Fuel?
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Sun, 11 July 2004 10:53
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Premium unleaded for a 4AC 
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Location:
Sydney
Registered:
June 2004
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Re: 4AC Fuel?
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Sun, 11 July 2004 10:58
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the low rev missing and blue smoke means that there is still oil in the cylinder as the piston goes through the down stroke... therefore when the combustion stroke occurs it is also burning oil
this can be a number of things:
- piston rings need changing
- cylinder needs honing
- cylinder need boring and resleeve as too warped to be hone
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Location:
wollongong NSW
Registered:
August 2003
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Re: 4AC Fuel?
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Sun, 11 July 2004 11:09
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| boris wrote on Sun, 11 July 2004 20:53 |
Premium unleaded for a 4AC
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i did this once and afterwards wondered why but it was only 1c more expensive compared to normal ulp
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Location:
Adelaide
Registered:
August 2003
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Re: 4AC Fuel?
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Sun, 11 July 2004 11:36
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when i ran 4ac..i just chuck in anything which is cheap...excluding diesel of course 
unleaded would be the cheapest but try putting in some coke or alcohol if it runs
lol...
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Location:
Perth, WA
Registered:
June 2004
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Re: 4AC Fuel?
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Sun, 11 July 2004 12:11
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k thanks
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