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Location:
Launceston, Tasmania
Registered:
May 2002
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20 valve conversion in ae93
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Sat, 21 June 2003 23:22
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Hello, i am currently planning my 20 valve conversion in my ae93 (sx) corolla. The car currently has a 16 valve 4age. I'm just trying to find out some of the problems that I might run in to. I understand that the exhaust manifold is different so that will need to be sorted out. can i use my current gear box? what other things will need to be changed that won't just bolt up?
thanks, any advice is greatly appreciated.
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 00:27
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everything will bolt up.
you can even use the 20v gearbox.
the wiring is just the tricky bit but there are plenty of ppl who could do it in a few hrs.
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Location:
Launceston, Tasmania
Registered:
May 2002
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 00:33
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so are the 16v and 20v gear boxes identical? & am i right in beleiving that the exhaust manifolds are different? so this should only really be a weekend job to get it running?
also does anyone know of any decent 20 valves for sale? or know of a decent importer to purchase one from (no front cut) that also has good prices?
thanks
cameron
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I supported Toymods
Location:
Sutho/Hills NSW
Registered:
September 2002
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 02:11
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the gearbox's are different but only in the ratios i htink.
smallport is c50 and silvertop is c52.
the exhaust manifolds are slightly diff but why is this a prob? just swap the whole motor over.
it can be done in a weekend in a sx easy. Just make sure your preperation is well prepared.
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Location:
Launceston, Tasmania
Registered:
May 2002
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 05:54
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all sounds good so far. all i've got to do is find an engine  I have seen the for around the $1000 mark from some importers although i am sure that they are available slightly cheeper. also, what does a stock 16 valve sell for these days? as i will get rid of mine once i have the new engine. Anyone know where i could purchase some 'sx twincam 20' stickers to replace the 'sx twincam 16' stickers on my doors and hatch?
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Location:
Adelaide
Registered:
April 2003
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 07:56
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20 valve gearbox bolts straight up...?
I heard that you need to modify the crossmember to fit in...
but don't quote me on that...
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Location:
Adelaide
Registered:
July 2002
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Re: 20 valve conversion in ae93
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Sun, 22 June 2003 11:00
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i think you only need to modify the cross member when putting in the GZE and GZE box
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