Miata Turbo Forum - Boost cars, acquire cats.

Miata Turbo Forum - Boost cars, acquire cats. (https://www.miataturbo.net/)

- Engine Performance (https://www.miataturbo.net/engine-performance-56/)

- - ring gap specs? (https://www.miataturbo.net/engine-performance-56/ring-gap-specs-62361/)

flounder

12-22-2011 10:13 AM

ring gap specs?

What gap do you guys like to see for boosted bp's? Ring set says min clearance .004in.

Savington

12-25-2011 03:22 PM

For which ring? What pistons?

Godless Commie

12-25-2011 03:32 PM

Sav, please allow me to threadjack here:

BP engine, 84mm JE pistons, all rings..

flounder

12-25-2011 03:43 PM

Sorry, 99 stock pistons, stock spec rings, light hone on cylinders. Spec was .004"in per inch of bore. They are installed already now, I ended up inbetween .016-.018"in on all four. Should work well for a street build. Hopefully:-)

Savington

12-25-2011 07:48 PM

For aftermarket pistons, follow the instructions. For stock pistons, follow the FSM.

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