Rb25/30 Neo Gt3076 Exhaust Housing Size?

[Harey]

With the low compression of 8.3 I reckon stay with the 0.82 housing.

[Dale FZ1]

Ive pmed that many people with no luck in response or information in regards to 3076r on a rb30det.

Nothing firm in the concrete that power/torque tapers off with the .82 housing.

willing to try a 1.06 housing, this should come on with a smooth linear power band.

Mine holds peak torque dead flat from 3400-6900rpm with a 0.87 Pro S housing. Wouldn't expect any different with the Garrett housing. Rev limit is 7200, makes ~310rwkW. Required a bit of tweaking via the boost controller at the top end ie from 6200 and upwards to hold boost otherwise it did taper from 18 down to 16psi.

This could be turbine housing or OEM manifold, or just what the combination does. Either way it is more than satisfactory and the chassis does not "need" any more power. It does need to be able to better use what it has got though.

Its $100 dollar pistons vs $1000 dollar pistons,

the boost in compression would definitely be better though i think it will run just fine

I'm running cast pistons, actual measured CR came in at 8.38:1 during assembly. It really doesn't want for bottom end torque with this spec. Part throttle and full throttle response under 3000rpm is very strong. I'm sure there are better setups around, and mine does like a drink so there is something to be taken from Adrian's comments about running a higher static CR (application and fuel type dependent, IMO)

[sriver killer]

Mine holds peak torque dead flat from 3400-6900rpm with a 0.87 Pro S housing. Wouldn't expect any different with the Garrett housing. Rev limit is 7200, makes ~310rwkW. Required a bit of tweaking via the boost controller at the top end ie from 6200 and upwards to hold boost otherwise it did taper from 18 down to 16psi.

This could be turbine housing or OEM manifold, or just what the combination does. Either way it is more than satisfactory and the chassis does not "need" any more power. It does need to be able to better use what it has got though.

I'm running cast pistons, actual measured CR came in at 8.38:1 during assembly. It really doesn't want for bottom end torque with this spec. Part throttle and full throttle response under 3000rpm is very strong. I'm sure there are better setups around, and mine does like a drink so there is something to be taken from Adrian's comments about running a higher static CR (application and fuel type dependent, IMO)

pm sent my man! thanks for your post!

[sriver killer]

so did this guy go the .82 or the 1.06?

[Adriano]

.82