944 s.e turbo "maximum tuning" ??
Discussion
hi there , im thinking of giving my 944 turbo in for rolling road dyno tuning, i was wandering what sort of figure can the bhp be increased to on a 944 se turbo, they come in 250bhp standard and mine has stage 1 promax chips , k+n induction , fuel pressure regulator and boost bleed valve. what can they be safely taken to without tearing the engine apart. also what is exactly involved in rollin road tuning?. many thanks
rolling road tuning is where the car is put on the dyno and the various parameters like fuel maps, timing etc are optimised throughout the rev range.
First thing I'd suggest (despite not being a 944 bod) is get rid of the bleed valve. If you want a mechanical boost controller get yourself a dawes device (google it if you don't know them). Much more stable boost, no boost spikes etc unlike bleed valves.
I take it you've got a decent boost gauge?
As for the maximum power, no idea sorry, but I very nearly bought one with 330bhp with dyno print outs years ago that was on standard internals, maybe cams but I cant remember, certainly no forged pistons or anything of the like. didn't buy it though, opted for japanese stuff instead.
First thing I'd suggest (despite not being a 944 bod) is get rid of the bleed valve. If you want a mechanical boost controller get yourself a dawes device (google it if you don't know them). Much more stable boost, no boost spikes etc unlike bleed valves.
I take it you've got a decent boost gauge?
As for the maximum power, no idea sorry, but I very nearly bought one with 330bhp with dyno print outs years ago that was on standard internals, maybe cams but I cant remember, certainly no forged pistons or anything of the like. didn't buy it though, opted for japanese stuff instead.
thanks stu r, im in the process of getin a decent boost gauge, but am just using my standard 1 at the mo, i wasnt in a rush to get one cos i thought the rolling tuners would set it of their own precision gauge so i would change it after at my leisure. please excuse my ignorance but do u think i should change the boost gauge b4 hand and if so why? thanks.
Adding a decent boost gauge is common advice simply because the factory one isn't accurate enough for fine tuning. They aren't all that expensive & not that hard to fit (or remove) so there's no reason not to do it really.
How much power just depends on your budget & the condition of your engine.
How much power just depends on your budget & the condition of your engine.
I think this might be the current epitome of tune
http://www.cannell.co.uk/Current%20Cars.htm
Deep pockets?
http://www.cannell.co.uk/Current%20Cars.htm
Deep pockets?
As mentioned a boost gauge is an essential piece of kit, they tend to be a hell of a lot more accurate, and factory ones tend to be placed where you can't really keep an eye on them when driving.
Basically when tuning one of the things that you want to avoid is boost spikes, and also if there's a problem it's something you can check, " well it's still making full / positive boost so it's not this that or the other".
If you want some pointers as to who makes good boost gauges, or where to get them from just ask, there's loads
Autometer are cheap and cheerful, and quite accurate.
Basically when tuning one of the things that you want to avoid is boost spikes, and also if there's a problem it's something you can check, " well it's still making full / positive boost so it's not this that or the other".
If you want some pointers as to who makes good boost gauges, or where to get them from just ask, there's loads
Autometer are cheap and cheerful, and quite accurate.
The maximum power achievable without engine internals or increase in capacity is going to be around the 400bhp mark as a few cars in the 944 Register have already achieved and tested at Weltmeister. We have a UK comparison table here http://www.cannell.co.uk/944%20UK%20League.htm but unfortunately the website appears to be down just now.
Those figures will need a larger turbo, better wastegate, a MAF or MAP to replace the airflowmeter, large injectors, uprated fuel pump, freeflowing exhaust and possibly a custom intake manifold or stand alone ECU. Promax do a kit that they guarantee will net you over 400bhp at a cost of £8000, or you could do it yourself using similar components for a lesser amount.
Most 944T owners stick with a wastegate, remap and uprated fuel delivery for circa 300bhp and much less lag than standard. Whatever you do you will need to ensure you have a fresh head gasket and a sound engine before you start or tears will quickly be shed
Those figures will need a larger turbo, better wastegate, a MAF or MAP to replace the airflowmeter, large injectors, uprated fuel pump, freeflowing exhaust and possibly a custom intake manifold or stand alone ECU. Promax do a kit that they guarantee will net you over 400bhp at a cost of £8000, or you could do it yourself using similar components for a lesser amount.
Most 944T owners stick with a wastegate, remap and uprated fuel delivery for circa 300bhp and much less lag than standard. Whatever you do you will need to ensure you have a fresh head gasket and a sound engine before you start or tears will quickly be shed
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