Miata Turbo Forum - Boost cars, acquire cats.

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-   -   oem rebuild? (https://www.miataturbo.net/engine-performance-56/oem-rebuild-85047/)

2wh33l3dnut 06-30-2015 08:41 PM

oem rebuild?
 
so my oil burning 95 is up for a timing belt, water pump, gaskets, etc. so i might as will pull it apart and freshen it up. i do have a tdo4-13t hanging on the shelf that i plan on aquiring parts for a build. ive read that that turbo is only good for maybe 250rwhp with the right setup and that happens to be the threshold of the stocker. so as i order parts for the rebuild should i consider any supporting internals to make sure the motor can hold reliably with whatever that turbo can jam into it? i do not plan on trying to get anymore out of it then what that turbo can support.

Schuyler 06-30-2015 08:45 PM

$623 for ebay forged rods and supertech pistons. Not really voicing an opinion, as I am going through a somewhat similar situation. But, figured I would throw this out there for you.

2wh33l3dnut 06-30-2015 08:50 PM

thanks Schuyler, what comp ratio are the supertech pistons?

Chooofoojoo 06-30-2015 09:35 PM

Depending on cylinder wall condition, you could potentially just re-hone, new rings and re-use the stock pistons along with a set of manley rods. Seems to be a very popular 'mild' build route. Pretty sure that's what curly did for Laz's MSM race engine.

Erat 06-30-2015 09:39 PM

Few extra bucks to have a little more resistance to some accidental detonation is not a bad deal.

Schuyler 06-30-2015 09:48 PM

<p>

Originally Posted by 2wh33l3dnut (Post 1245287)
thanks Schuyler, what comp ratio are the supertech pistons?

</p><p>Supertech Forged Piston Set</p>


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