Is this housing usable?
 

Hey guys!

I was sold this TII housing by a member of the community that said it was "good" but they failed to mention these two grooves. Now they're not the most substantial grooves I've felt, but they are a hell of a lot more than the typical grainy feeling housing can get after wear. They look like something let go at one point. Anyway, does this look usable?



Attachment 562471



Attachment 562472

looks like a minor apex seal failure or foreign debris got into the engine. anyways, short answer is no, it's not usable in that condition.

long answer is still no, i wouldn't use that housing in a turbo engine even if it was repaired or resurfaced. the groove will never come out, in an n/a engine you could run it without any real adverse affects but it will lose some compression due to the grooving in the intake tract above the trailing plug. so it may make 100psi after resurfacing where if it wasn't grooved it may make 110psi+.

the reason it isn't usable is, the moment a new apex seal runs over that groove it is going to wear a channel in the apex seal and that channel in the seal is going to cause compression loss at a 100% rotational aspect. meaning you will lose a lot more than just 10psi, more like 15%+ of your compression.

unfortunately this sort of thing is common, i have seen people put engines together with this sort of damage and it immediately fucks the apex seals, result is low compression and possibility for even more issues like detonation.

if i were you i'd contact them for a refund.

Lyger is polite..(I'll have to call him and see WHY...lol!)
I say grab a chain and go boating!..anchor's away mah boy!

It's just about always the case when someone posts one of these "can I use these housings" threads that if you have to ask, the answer's no. But Lyger gave you a much better explanation.

Just double checking for more backup since the seller is claiming it's fine and is being sketchy now

just point him to this thread, if he continues to be a dickhole and refuses to make it right then contact one of the feedback moderators. then one of two things will happen, you'll come to an agreement or he will be banned and you can file a grievance with paypal.