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Location:
Perth
Registered:
March 2005
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Could you actualy work over 4AC to give it some guts ?
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Sat, 21 May 2005 01:52
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Hey guys,
I know no one seems to do sweet fuck all with 4AC engines.
So i was wondering could you actualy work over 4AC to give it some guts ?
Least more then what it has and be able to pull some wheel spin on the dry 
I have one these in my ae86 sprinter, wasnt planin on keepin it, but maybe could do something to do to it until get all funds for whole conversion
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Location:
Melbourne - NthSubs
Registered:
January 2004
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Re: Could you actualy work over 4AC to give it some guts ?
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Sat, 21 May 2005 02:07
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yes = $$$
i could get wheel spin on the dry with the ye old 4ac killa 
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Registered:
February 2003
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Re: Could you actualy work over 4AC to give it some guts ?
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Sat, 21 May 2005 02:53
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there is a fella over here that enters the drift in his 4ac powered ae86, he entered the Melb drift nats and ranked pretty highly considering other cars had about 3-4 times as much power, trust me, he gets crazy angles
i believe he has just added a cold air induction and advanced the timing 
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Location:
townsville NQLD
Registered:
February 2004
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Re: Could you actualy work over 4AC to give it some guts ?
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Sat, 21 May 2005 10:45
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you realise you have started two threads....both the same
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Could you actualy work over 4AC to give it some guts ?
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Sat, 21 May 2005 13:05
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Sure can. It's called nitrous oxide.
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Location:
Campbelltown
Registered:
November 2003
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Location:
Tasmania
Registered:
May 2002
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Re: Could you actualy work over 4AC to give it some guts ?
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Sun, 22 May 2005 01:51
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Generaly, to get power out of the 4A-C (or any motor), would be to get rid of the little carby, get twin sidedrafts. Get rid of little exhaust, get extractors and 2" system. And use a longer duration cam.
If someone got 94rwkw, then I believe that. But thats probably the max limit of the 4A-C. This is close to 150hp at the fly. It takes some work getting the same power from a 2T-G.
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Location:
Montrose, VIC
Registered:
May 2002
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Re: Could you actualy work over 4AC to give it some guts ?
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Sun, 22 May 2005 02:46
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I paid $400 for an AE82 4AG+ECU, it puts out 74kw at the wheels even after 12 months of my abuse. I really can't see the value in fiddling with a 4AC unless you're hell bent on making a point! Plus most 4AC's I've seen seem to have a tremendous appetite for head gaskets, except for the one I maybe should admit to owning once... Which, incidently, I even managed to make go (slightly) harder, plus overheated it on a daily basis. And to my knowledge it's still plugging away in an AE71... (I gave it away to someone who couldn't afford a replacement)
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