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The Garrett is well sized for the 2.3 5 pot.
Surely for a fast Volvo a big fuckoff Holset is the appropriate choice of fan?
Brommers-
I wouldn’t want to lose driveability. At the moment it’s an astonishingly capable car on twisty roads. Sure it’s more suited and comfortable on the “open highway” but once you get used to the turn in and body roll, you can just demolish roads with lots of corners. In the mountains it couldn’t really cope with tight hairpins and going uphill it needed 1st gear to accelerate out of the hairpins which was quite hilarious.
I love the idea of crazy large turbos with massive massive boost, but unless you live in Florida or Texas and only intend on doing 3rd gear pulls in the middle of the night it’s a bit pointless. Already have enough power to out-drag most things on the road.
NurseHolliday
The Garrett is well sized for the 2.3 5 pot.
In terms of manifold adapter, you can either mill the Volvo manifold flat, or you can use an adapter- problem with the adapter is that they tend to leak.
The US guys call bullshit on this, but they tend to use full power for ~10 seconds, then mooch around at partial throttle for ages, feedback from UK 850 owners who visit the Nurburgring is that the heat makes the seals life a hard one.
The TD04HL that you have is a 20T - which is pretty unbalanced as the exhaust side is shared with the 16T, but the compressor side is significantly larger. It's the Volvo pattern on the hot-side though, so it all bolts on and there's no seal issue.
These engines respond very well to a larger hot side, if you can deal with the manifold issues.