Hi, I could do with a bit of help regarding a turbo choice for a VR6. Some one has donated a new Holset HX35W turbo to me. It will physically fit, its massive, its free, i'm skint. Do i bolt it on ?? The car was running great but the old Garrett T3/T4 ball bearing turbo built by turbo dynamics was worn and the car was starting to smoke people out on boost. I had it mapped about 6 months ago and it was pushing out 350bhp ish and 400nm @ 12psi. The Garrett is currently in bits and waiting for spares from the States. I would want to achieve around this again or a touch more. Can the Holset do it?? Any help would be awesome cheers Holset HX35 Specs Designed primarily for 6 cylinder engines of 5.0 to 6.5 liter capacity, the Holset HX35 turbocharger has high flow aerodynamics capable of providing up to 0.46 kg/s at 3.0:1 pressure ration. A number of compressor and turbine options are available all featuring excellent map width, pressure ratio and efficiency. Enhanced durability compressors are available. For Engine Capacity (liters) 5.0-6.5 Output Range 100-280 Airflow (kg/s) 0.46 DIMENSIONS: Length (mm) 224 Width (mm) 250 Height (mm) 169 Smallest Mass (kg) 9 Largest Mass (kg) 11 OPTIONS: Wastegate Yes Watercooled B/H or T/H B/H Ti Impeller Yes MFS Impeller Yes CNG Version Yes
From what I found on Internet wastegate is a bit restrictive on these . External may be needed to have steady boost. I've seen a dyno graph of abf with hx35 (but non wastegated and 12cm hot side). It had 380 ps so I think it has sufficient flow for vr.
Cheers for the quick response, I've also heard I would need to run high boost(20psi) for it to be fully effective. does anyone know a good mapper in the southwest, Yeovil area??
