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Location:
Melbourne, Australia
Registered:
December 2004
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Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 09:05
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Hey guys,
I was just wondering if any of you guys/gals are running a tuned 4AGE, that is, bigger cams/strengthened internals. The reason being, i nutted out how much it'd cost to convert to a 4AGZE and then realised i needed insurance. Let's just say the insurance is a very large number due to pretty much the mods. So i've re-thought my path and i want to go the "highly tuned 4AGE" way. One of the guys i know suggested dropping in a larger Camshaft (i think it was.. 282? 272?) and (obviously) getting a new exhaust. I'm only looking to get the engine to around 130kw... maybe even 115-125 will do. He says that dropping in the bigger cams (if they're not THAT much bigger) won't cuase the stock ECU to spaz out. Does anyone have concrete proof of this? I've just found it hard to find a regular streetgoing worked 4AGE (ie. no 10,000rpm wonders tongue.gif)
Thanks in advance!
Oh and if anyone wants to point me in the direction of any guides (besides bill's, read that) or specifics of any cars with aforementioned engines, i'd be immensely appreciative.
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Location:
melbourne
Registered:
November 2003
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 09:27
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well things like rasing the compression, getting a ITB setup working, cams like u said, aftermarket computer should see you getting round 85kw atw no problems.
a question ive always wondered is, if u are usung an after market computer and running big cams, what can you set the Rev limter on a 16v 4age too? as compared to a blacktop 20v for that matter? stock internals and oil pump etc. obviously this would increase wear and tair dramatically, but im talking about thinks snapping and breaking.
maybe 8500rpm?
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Location:
Melbourne, Australia
Registered:
December 2004
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 10:31
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Yeah, i'm currently working out exhaust specifics atm.. looks like 2.25" to a 2.25" muffler... with extractors etc. I'm still not too clear on whether or not the ECU would need some help because i'da thought it'd starve the engine? Or run it too rich? Either way, i don't want it to spaz out haha.. Oh and i'm not looking for "omg power" mods.. i intend to have the 4AGE kicking along for a while at least.
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Location:
Brisbane
Registered:
February 2003
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 12:56
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You might find that working a 4age to your power goals will attract as much insurance problems as a 4agze.
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Location:
Melbourne, Australia
Registered:
December 2004
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 23:04
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Ya think? They really do want to bend me over and ream me with insurance for the 4AGZE.... I was thinking cams would be less... drastic  not to mention less... visible 
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I Supported Toymods
Location:
Lwr Templestowe, Melbourne
Registered:
August 2004
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Wed, 06 April 2005 23:09
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Get a proper computer for the car. It will run everything that the engine needs to have and do it much better than the factory ECU ever could. If tuned properly, it wont run rich or lean. And if you're going for the less drastic.. less visible approach, you could always gut your old 4AG ECU and stick the aftermarket one in the shell eh?
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Location:
Redbank Plains,near Ipswi...
Registered:
May 2002
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Thu, 07 April 2005 01:30
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I can easily supply new billet cams that will be fine with the stock ECU, and not over-do the crappy shim over adjustment. These give the engine a lot more "sparkle" in the 3000-6000 rpm range. with a good exhaust that will make a noticable improvement. I have had these cams in the daughters 4AG powered car for ages and they are fine. They work with the stock shim range but you will have to shim the head yourself. If you are really keen, I can set them up in a ported head. PM me if interested.
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I supported Toymods
Location:
NE Melbourne
Registered:
May 2002
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Thu, 07 April 2005 02:59
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it seems the humble 4AGE will take a lot more revs than what toyota gave us. there are plenty of AE86 corolla's in Japan that simply run carbies and do away with the EFI and rev them up to and over 9000 on stock internals!!!
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Location:
Adelaide
Registered:
May 2003
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Re: Modding a 4AGE (smallport 100kw), More power without forcefeeding
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Thu, 07 April 2005 03:00
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Just like Takumi..... 11,000rpm.... i can beat all. 
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