Hi, planning 205 TD sleeper.......Chesterfield, Derbyshire.

[zx_volcane]

What's your thoughts on Turbo manifold design? Just one pipe from the standard manifold to the new Turbo or fabricate a better flowing four into one manifold with equal length primaries? What power are people doing on the standard manifolds? ...Luke.

Equal length primaries is lovely if you can, I'm convinced you'd release another few horsies from it, but whether it's worth the hassle is debatable, if you're happy to sit down and make one from scratch, then go for it, but space is tight and you tend to melt f*cking everything in sight with it!

I've seen people making >220hp on the stock manifold - the stock one after some dremel abuse and a pipe up round, I don't see any reason why it won't make good power... Especailly with a variable geometry turbo..

Basically what Ruan said

Ideal situation is to have the turbo as close to the engine as possible, keep the gas velocity up. So straight off the back of the engine would be best.

Equal length primaries would be lovely, poss even better if tuned to match the engine - although the only calculators I've seen are for N/A petrol motors.

However space is very tight, and you end up doing what you can.

I've a 4-2-1 unequal length exhaust manifold, and think its great, quite a unique sound compared to having a straight link pipe from existing stock manifold.

Conclusion me and Paul came to was to have something that had the least bends and shortest, smoothest route possible to the turbo.