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10-21-2010, 10:37 PM
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#1 |
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Stock
Join Date: Oct 2010
Location: Canada
Posts: 27
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Gentlemens Agreement
I'm importing a 94 tt supra w/ 34xxx miles on it. I live in Canada and from what I understand the gentlemens agreement limits the car to 276whp instead of the 326whp that the car is capable of. I was just wondering whats the cheapest, easiest and most effective way to get rid of the limiters, rev limiter, speed limiter, and hp/torque limiters.
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10-22-2010, 02:07 AM
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#2 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
http://www.apexi-usa.com/products/?id=5347 More info: http://en.wikipedia.org/wiki/Toyota_...2.80.932002.29 http://www.jdmuniverse.com/forums/to...d-m-supra.html http://gonzaloherrero.com/bnr/index....=79&Itemid=103 For whatever little it may be worth, I don't believe you asked me the right question. If I were in your shoes, I'd ask the following question: "I'll have a Japanese-spec Mkiv Supra TT, bone-stock; what's the cheapest, easiest and most effective way to make xxxRWHP?"
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Phil '94 Supra Turbo, 6spd, 'APU'+ Displacement is no replacement for boost. Life begins at 30psi. NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners. Last edited by pwpanas; 10-22-2010 at 02:22 AM. |
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10-22-2010, 05:22 AM
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#3 |
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Stock
Join Date: Oct 2010
Location: Canada
Posts: 27
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The Gentlemens agreement is an agreement made that all vehicles leave country would be de-tuned from the 326 hp and 318 torque to 276 hp and I'm not sure about the torque. Atleast being imported to Canada that is how it is. As for the ceramic turbo's I don't think they are smaller, just made differently? I know importing a jdm supra they run less boost (turned down), are majorly limited by exhaust, smaller cam intake may be true. I think this is how they limit the power, not through an actual ECU detune or anything. Like vw I know can be chipped taking off factory limiters adding power but I think importing a mk4 supra the boost is just turned down and the exhaust limits everything, as well as the small 440cc injectors compared to the usdm 550cc injectors.
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10-23-2010, 01:05 PM
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#4 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
Note that it's very easy to crank up the boost: http://www.mkiv.com/techarticles/clamp_mod/_clamp.jpg ...just be sure you have a boost gauge, and enough octane in your fuel (i.e. add race fuel) to match the boost level. I agree the smaller Japanese-spec downpipe also limits performance vs. the US-spec Mkiv Supra TT. Regarding the "gentleman's agreement", who asked for it...and who did he/she ask? Did Akio Toyoda shake hands with Stephen Harper? 
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Phil '94 Supra Turbo, 6spd, 'APU'+ Displacement is no replacement for boost. Life begins at 30psi. NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners. Last edited by pwpanas; 10-23-2010 at 02:09 PM. |
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10-23-2010, 06:58 PM
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#5 |
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Stock
Join Date: Oct 2010
Location: Canada
Posts: 27
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I don't know how the gentlemens agreement got started all I know is it states by Canadian law that vehicles must be over 15 years old and I think Canada and Japan had an agreement that cars could not be imported with over 276 hp, from my understandings.
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10-23-2010, 09:53 PM
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#6 | |
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Supra Owner
Join Date: Oct 2005
Location: GA, USA
Posts: 2,209
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Quote:
 I do appreciate you sharing the information that you have available though.For me, until I see something about this "gentleman's agreement" in writing, I'm going to assume that Japanese-spec Mkiv Supra Turbos were originally advertised within Japan at 276hp. I really can't see any government-related agency going in and installing new parts to de-tune used cars, and then running them on the dyno to verify they haven't screwed them up and that the de-tuning was actually successful. I see this scenario as completely impractical, since a used Supra is a crap-shoot - poorly maintained and driven the heck out of, all the hoses and electrical connectors might be so hard they crack whenever something new is installed. There'd be a VERY unpredictable amount of labor and inconvienience in obtaining new oem hoses, electrical connectors, etc. in doing this work. *shrug*
__________________
Phil '94 Supra Turbo, 6spd, 'APU'+ Displacement is no replacement for boost. Life begins at 30psi. NB: Please consider posting any help requests in a new thread instead of asking me for help privately. About 99.9+% of the time, private help requests end up covering great information that could be very valuable to other forum members. If you have a good reason for needing the help request to be private, I'll consider it. If not, then why not give everyone else the opportunity to pitch in too, and/or learn from the information? Remember, there's no such thing as a dumb question. We're all here to help within this family of Supra owners. Last edited by pwpanas; 10-23-2010 at 10:46 PM. |
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