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Registered:
June 2003
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Breathing new life into old motor
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Mon, 09 June 2003 15:11
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I tried searching the boards and I honestly think nobody has been as crazy as me.
Time has come and the old 4K-C is starting to blow a little bit of blue smoke, compression and down and its about time for a rebuild.
My initial plans was to put a 4agze into it and do a fair amount of work to it however given I dont have as much money id like to spend on the car, it simply wont be worth it. On top of that, putting such and engine etc into car would push my insurance premiums to have half the market value of the vehicle per year. However, if I kept the original engine in the car and performed modifications to that, my premiums would hardly change.
So, what *exactly* can be done to the 4K-C. Is it even possible to put a small turbo onto it? I really dont know. Im sure alot of you would fall over laughing at the idea. There would be some of you out there that would more intimately know that engine and what its capabilities are (possibly 0).
I hope I can get some serious replies. Changing engine isnt really an option.
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Location:
Lost in the K hole
Registered:
May 2002
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Re: Breathing new life into old motor
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Mon, 09 June 2003 15:29
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if youve truly read through the forums, youd soon realise that everyone (including myself) has asked this very question - and has been met with the exact same answer:
rebuilding an older engine with low performance potential will stil cost a decent wad of money (no matter how stingy you think youre going to be) and will leave you utterly disappointed with the performance outcome.
why do you think conversions are so popular? not becasue theyre 'flavour of the month' but because after doing a bit of homework - people soon realise that what everyone was trying to tell them at the beginning is correct: pumping good money into an old motor simply isnt worth it.
we just try and save peopple the learning curve by being honest upfront.
now i predict youll be: "but i really want to do this, itll work out well, no-one has done it before, how do you know a hiper 4ac doesnt rock, it wont cost that much" etc etc - and in 2 months time, youll be like, yeah, 4age isnt a bad idea - then the question will be "does anyone make a RWD inlet manifold?"
seriously - with a 4age/4agze/4agte - so youre insurnce will go up - only your comprehensive. and thats where its time to weigh up whether comprehensivly insuring that vehicle is feasible. but in terms of doing something reaisticlly economical and performance oriented, thats what youre facing.
anyway - arent i going to look stpid if someone comes up with cracker plan to go nuts on your 4ac at minimal cost 
cheers
ed
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Location:
was adelaide now newcastle
Registered:
February 2003
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Re: Breathing new life into old motor
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Mon, 09 June 2003 23:17
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perhaps you could get hold of a 5k motor as a replacement and then just do the cam webber exhaust thing, should be good for a bit more power, but not heaps, unless of course you spend big money on it, keep an eye on the trading post for performance parts, may find some interesting stuff.
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Location:
Brisbane
Registered:
May 2002
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Re: Breathing new life into old motor
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Tue, 10 June 2003 00:33
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Ed: he's talking about the 4K, not the 4A, but what you said still applies. Modifying an old K series engine simply isn't cost-effective compared to the other options available, and it WILL cost a lot more than you think to get worthwhile performance gains out of a K series engine. Been there, done that, not doing it again!
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Location:
Lost in the K hole
Registered:
May 2002
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