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Location:
NSW
Registered:
December 2004
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21R-C in Celica
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Tue, 07 December 2004 04:23
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Hey people,
Ive got a 82 Celica with a 21R-C in it, Im just wondering if anyone else has this engine? or any ideas on making it quicker? as in which mods would the engine respond well to? Its really annoying as there is NO info on this engine on the net anywhere...
Andy
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Location:
Melbourne
Registered:
March 2003
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Location:
NSW
Registered:
December 2004
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Re: 21R-C in Celica
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Tue, 07 December 2004 05:18
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New engine ey? sounds about right... I wouldnt mind doing this, but how much $$ am I loking at? I cant help but feel I should just get a new car...But i love the celica!
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Location:
Melbourne
Registered:
March 2003
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Location:
NSW
Registered:
December 2004
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Re: 21R-C in Celica
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Tue, 07 December 2004 23:26
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thanks alot mate!
It turns out My engine is a 21R-U, not that it makes much difference...
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On Probation
Location:
Hobart
Registered:
December 2004
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Re: 21R-C in Celica
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Wed, 08 December 2004 00:20
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i used to have a 21R-C in my RA60, i had a 2" straight through pipe and it didn't really put the popwer up that much, i would surgest either an 18RG, or do like me and buy a new car (in my case MA61) i have heard tho twin carbies, extractors and a bigger pipe will give u some good power. The stock manifold is SOOOO restrictive so extractors would help, but the carbie is also a bit on the weak so, but they are small mods which won't cost u heaps
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Location:
VIC, Sth Frankston.
Registered:
July 2003
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Re: 21R-C in Celica
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Wed, 08 December 2004 01:32
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I have an '82 celica. And I have toyed with the 21R a little bit.
Atm its running a 32/36 weber downdraft I bought off ebay for $50 and a stage 1 equiv. camshaft also bought off ebay.
There has been a mild improvement in midrange power. But not a lot for the money I have spent.
If I were to do an engine swap in my ra60, it would have to be a 1G variant. Better fuel economy, more power, etc etc.
Believe me, do not bother with the 21R if you want more power. The head is just an abortion of smog control regulations.
Cheers,
James
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Location:
Melbourne
Registered:
March 2003
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Re: 21R-C in Celica
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Wed, 08 December 2004 01:40
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On a similar note, do you think its worth trying to extract a little bit more power out of my 22r-e? At the moment I'm thinking of pod or cai, port and polished head, extractors and 2.25" exhaust.
The yanks are able to get some decent power out of them but thats with a 20r head swap, Its pretty obvious that the head is the most restrictive part of these engines so should i even try to polish my "turd" or should i just give up and save my money
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Registered:
November 2002
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Re: 21R-C in Celica
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Wed, 08 December 2004 01:44
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You won't ever be happy with the 'performance' increase you get for the money you spend on this old nail of a motor, its not going to be worth the effort, ever. Save your penny's and buy a car with a better engine as a base to modify. Besides, you are likely to get more money selling your old car in completely stock std form than as a modified example.
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Location:
VIC, Sth Frankston.
Registered:
July 2003
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Re: 21R-C in Celica
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Wed, 08 December 2004 04:44
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Intensevil - If you want a little bit of a performance increase out of your 22re, piece together a cold air intake, swap in a hotter cam (trd stage 2 eqiv.), consider extractors, but maybe leave them until last. If you have the tools, you could try just cleaning up the ports in the head, polish them if you can be bothered. See what you think. After that point, it would be more serious porting, probably bigger valves with stiffer valve springs, adjustable cam gear wouldnt be a bad thing, etc etc. Your money is your limit.
Or... just put a turbo onto the 22re. Best bang for buck from the 22re.
Otherwise, just get an import motor, something like a 3S, 1G, etc. Just make sure you do as much research before you spend a single cent.
Cheers,
James.
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Location:
Land of Oz
Registered:
June 2004
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Re: 21R-C in Celica
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Wed, 08 December 2004 09:44
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Hi,
I don't think you can put in an 18RG due to the lack of smog control stuff on the motor. The RTA takes a dim view of early engines in later model cars. I'm not sure what the last vehicle was (model and date of build) that had the 18RG in it. It'd be an 18R-GU or something like that 'cos they added smog stuff to the 18RG through its life. The head is better on the later ones and they had EFI to try and recover some of the lost power.
seeyuzz
river
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Location:
NSW
Registered:
December 2004
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Re: 21R-C in Celica
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Wed, 08 December 2004 20:03
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Thanks guys, I wasnt too hopefull that I could get more power from it with simple mods...I cant spend thousands on an engine swap, I just dont think it would worth it... I might just buy a VL...
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Location:
VIC, Sth Frankston.
Registered:
July 2003
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Re: 21R-C in Celica
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Wed, 08 December 2004 21:11
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If you buy a VL, you DONT love celicas 
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Location:
NSW
Registered:
December 2004
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Re: 21R-C in Celica
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Thu, 09 December 2004 00:27
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Lol
The VL thing was a joke! I couldnt betray my celica.
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Location:
VIC, Sth Frankston.
Registered:
July 2003
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Re: 21R-C in Celica
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Thu, 09 December 2004 01:06
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I saw your post on celica-net forums and was just about to add a post when i realised it was this thread too.
There are some effective modifications you can do with your car, just depends how capable you are and what you can perform yourself.
One engine that keeps slipping my mind is the 3t-gte. That wouldn't be a bad swap, you could probably do it on a decent budget.
Cheers,
James
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Location:
NSW
Registered:
December 2004
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Re: 21R-C in Celica
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Fri, 10 December 2004 22:51
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"There are some effective modifications you can do with your car, just depends how capable you are and what you can perform yourself."
I pretty good with engines, I could do the work myself, so which effective mods would you suggest?
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