96 supra rz speed cut., in need of removal :)

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96 supra rz speed cut., in need of removal :)

Postby 92mr2paddy » Thu Apr 03, 2008 7:58 am

i just got my hands on a supra rz, it already has 320kmh speedo but i want to take it to the track in the near future and it has a 190kmh speed cut that just wont work for me!, any easy way of fixing, tricking, removing it?

cheers Pat
current: 96' Supra RZS single Gt42 490kw at 20psi, daily - Hiace 2.7 van '05
previous: 92' mr2 g-limited, fuls gen 2 turbo conversion, steel ct20b, external etc etc :)
drift car: 94' silvia s14 sr20det 307kw @18psi
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Postby deaf_rattle » Thu Apr 03, 2008 5:51 pm

shameless plug, but check out www.suprafest.com

also, someone on www.supras.org.nz might be able to help you out with the speed cut.
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Postby d1 mule » Thu Apr 03, 2008 9:36 pm

im prob completely wrong but, if the speed cut works off the speedo (which i assume is electronic) put a switch in the wire so you can effectively stop the speedo from working, thus no speed cut???????????? but odds are that wont work.

but no need for speedo on at the track anyways imo
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Postby fivebob » Thu Apr 03, 2008 10:46 pm

http://forums.toyspeed.org.nz/viewtopic.php?p=193178&#193178
Search is a wonderful tool, I wonder why more people don't use it :lol:
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Postby matt dunn » Thu Apr 03, 2008 10:58 pm

d1 mule wrote:im prob completely wrong but, if the speed cut works off the speedo (which i assume is electronic) put a switch in the wire so you can effectively stop the speedo from working, thus no speed cut???????????? but odds are that wont work.

but no need for speedo on at the track anyways imo



Yes that does work, but the check engine light will also come on and it will log a speed sensor code.
If it goes into limp mode or not I dont know, but doubt it for that.

Best to get or make a speed cut defender.
7AGTE - DX20VT - viewtopic.php?t=59733
Discussion - viewtopic.php?t=59751
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Postby Mr.Phreak » Thu Apr 03, 2008 11:36 pm

I thought the TRD speedo removed the cut??
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Postby matt dunn » Thu Apr 03, 2008 11:56 pm

Mr.Phreak wrote:I thought the TRD speedo removed the cut??


No definatly not.

Fitted one through work once, genuine TRD one too, but the speed limiter was still at 180ish.
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Discussion - viewtopic.php?t=59751
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Postby fivebob » Fri Apr 04, 2008 2:37 am

Mr.Phreak wrote:I thought the TRD speedo removed the cut??

IIRC Some did, the cable driven type which generated the signal for the ECU did, but with the electronic ones the signal is generated by the geabox sender, so the speedo can't change it.
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