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The mkiv Supra Owners Club

UK & J-Spec Tubby Differences


Scott
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Are there any differences between the fitment of the UK and Jspec turbos? I have a pair of turbos for sale that came from a J-Spec. Now I know there are differences in the UK assembly but are there differences in the turbo fitment? Basically, can you swap JSpec turbo's with UK spec? turbo's?

 

Cheers

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and they are considerably different turbos so the spool would be fairly odd on them in sequential mode.

 

Sorry I worded that wrong, I meant swapping the turbos as a pair but seperate from the manifold etc. As in using a UK spec manifold with JSpec turbos.

 

While I am here, I did a search but couldn't find a definitive answer on turbo models.

 

Any ideas what they are?

 

J-Spec Ceramic Pre-VVTi -

J-Spec Ceramic Post-VVTi -

UK Spec -

 

I have read that the J-Spec are definitely CT20 and that they are also, definitely, CT12a lol.

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