RS2 Ex. Manifold

[rotoryboy]

To run a RS2 turbo through a S2 manifold assuming I have a full 3" exhaust and downpipe...am I going to have problems?

IIRC If you run the S2 manifold with the RS2 turbo, just 1 or 2 chambers run a little hot. Apart from that it should be fine.

[JPL]

The difference is in the length of manifold for cylinders 1 and 5, the RS2 one is much shorter and runs cooler. I think you can overheat 1 and 5 of a standard S2 manifold running an RS2 turbo.

Graeme.

[Graham]

Isnt there also a danger of melting pistons in 1 and 5 (IIRC) I think 5 was the worst as that one is furthest from cool air, but that might only be for cars running over 300hp ish

[SR71]

Has this problem affected anyone we know?

I have friends running 380+hp through their stock 3SGTE manifolds (Celica GT4) which were designed for 230hp.

Of course, the geometry of the inidividual manifold is critical in each particular case...