Det on 1 and 2
#1
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Hi from the Uk ![](https://www.miataturbo.net/images/smilies/smile.gif)
Is det on 1 and 2 a 'thing'?
Loving my car on a TD05 16G peaking 20 and holding 18. Rods only build done 12k miles ago with acl's etc. etc.
Smoke after the overrun so did a head on valve stem seals replacement (used two trainer laces tied together) with OE seals. Still smoked.
Turns out I may not have had the valve guides done last time...... My fault not the machine shop I think....
So the engine is apart and I'm going to do pistons too now and go a bit bigger with a Churbo as have used that stuff plenty times before on RX7's and others.
I have found some det marks on 1 and 2. Now I know you guys over there love your re routes to take care of cylinder 4 but apart from having the EV14 injectors checked which were new, does anyone have any ideas to what else to look for?
Edit - 3 and 4 are mint btw.
![](https://www.miataturbo.net/images/smilies/smile.gif)
Is det on 1 and 2 a 'thing'?
Loving my car on a TD05 16G peaking 20 and holding 18. Rods only build done 12k miles ago with acl's etc. etc.
Smoke after the overrun so did a head on valve stem seals replacement (used two trainer laces tied together) with OE seals. Still smoked.
Turns out I may not have had the valve guides done last time...... My fault not the machine shop I think....
So the engine is apart and I'm going to do pistons too now and go a bit bigger with a Churbo as have used that stuff plenty times before on RX7's and others.
I have found some det marks on 1 and 2. Now I know you guys over there love your re routes to take care of cylinder 4 but apart from having the EV14 injectors checked which were new, does anyone have any ideas to what else to look for?
Edit - 3 and 4 are mint btw.
Last edited by Pantelis; 03-19-2019 at 12:34 PM.
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