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Thread: 1G-GTE into RA28 : Dash gauges.

  1. #1
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    Default 1G-GTE into RA28 : Dash gauges.

    G'day,

    I was wondering if ALL the gauges that are standard in the RA28 dash can be hooked up to the 1G? My oil and temp mainly, the tacho can be reset as per another doc on the site. Any help would be great,

    Frank.
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    1974 TA22 - 18R-GU - SOLD
    1977 RA28 - 18R-C - DEAD...it was so slow and painful..
    1977 RA28 - 1G-GTE - Almost done...I think

  2. #2
    Official Off Topic KING! Conversion King stradlater's Avatar
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    yep, they all work cept for the tacho. you'll need to use the 18rc oil pressure sensor in the 1g block though, as it interfaces with the dash. oh and the water temp sensor too.
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    1976 RA23 Celica - 1UZFTE ???rwkw - Earlier: 11.6 @ 116.9mph But Now: ??
    2007 BMW 3.0Si Z4 Coupe - 195kW 0-100 5.7.....
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    Can anyone confirm that the 18R oil pressure sensor will screw straight in place of the 1G GTE's presure sensor??

    The Temp sensor on the 1G isnt too bad with the current gauge, its a different scale, but you will soon figure out where its meant to sit, and whats Hot / Cold etc.

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    Official Off Topic KING! Conversion King stradlater's Avatar
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    A) The 18rc oil pressure sensor WILL fit into the 1g-gte. I've done it twice.

    B) The temp sensor is on a different scale, and if you want it accurate, you should put the 18rc one in it. Or, better still, buy a SPECO water temp gauge off ebay for a whole $30
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    1976 RA23 Celica - 1UZFTE ???rwkw - Earlier: 11.6 @ 116.9mph But Now: ??
    2007 BMW 3.0Si Z4 Coupe - 195kW 0-100 5.7.....
    1996 VR Lexcen - Let the gearbox slippage begin...

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    Default Re: 1G-GTE into RA28 : Dash gauges.

    Thanks Strad.

    Thats great to know!

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    Default Re: 1G-GTE into RA28 : Dash gauges.

    as said as long as you use the 28's sensors on the 1g your readings should still be accurate.

    wether hot / cold ranges listed on the guages are relevant to the 1g-gte is another question. IE Hot on the celica guage with the 18rc may be cold when the 1ggte has the same temp...
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    I use the standard celica temp gauge with my 1GGTE and there is barely any difference. Dont waste your time. Use the standard 1G one.

    You should find there is one wiring loom left after you plug the computer in, its longer and thinner than the others. That is the dash plug. It has all the needed wires to hook up to the Celica dash.

    You just need a pin out diag.

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    Official Off Topic KING! Conversion King stradlater's Avatar
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    No necessarily, depends on how looms done my friend. :-)

    Don't forget to spread the rep love.... :-)
    www.stradlater.com | Facebook | LinkedIn

    1976 RA23 Celica - 1UZFTE ???rwkw - Earlier: 11.6 @ 116.9mph But Now: ??
    2007 BMW 3.0Si Z4 Coupe - 195kW 0-100 5.7.....
    1996 VR Lexcen - Let the gearbox slippage begin...

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    Default Re: 1G-GTE into RA28 : Dash gauges.

    I always swap over the temp sender from the 18r to the 1G as a matter of course. I've never had a problem getting a tacho to work on a RA23 or RA28 though.

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    Official Off Topic KING! Conversion King stradlater's Avatar
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    Default Re: 1G-GTE into RA28 : Dash gauges.

    from 18r to 1g or from a 1g sender to an 18r sender?
    www.stradlater.com | Facebook | LinkedIn

    1976 RA23 Celica - 1UZFTE ???rwkw - Earlier: 11.6 @ 116.9mph But Now: ??
    2007 BMW 3.0Si Z4 Coupe - 195kW 0-100 5.7.....
    1996 VR Lexcen - Let the gearbox slippage begin...

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    Default Re: 1G-GTE into RA28 : Dash gauges.

    newb question/semi hijack
    where are the ops and temp senders on the 1ggte?

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