So have my motor apart 1990 13b getting a rebuild kit and wondering will 2mm apex seals hold boost? If so then I can turbo my car and prep my motor while its out of the car. it is a 6port na but i have the turbo upper and lower intake manifolds along with the turbo exhaust manifold jsut wondering if it would be worth it or should I just get it ported? So anyone know if 2 mm apex seals will hold boost? and if so how much?

 

2mm apex seals are almost standard, too use 3mm you need to clearance the rotors, witch is a lot of work. I'm also going threw a 6port turbo conversion, I would suggest. Street port it remove the exhaust fins in the exhaust ports and slap it all together!