Another random idea.......... is it possible to machine the P20 ball bearing exhaust housing to fit the likes of that journal bearing VF48 high flow turbo. It probably defeats the purpose of what the pros at IHI sort out to achieve with the VF48.
But..... if the P20 housing could be made to fit, would that result in a late model technology responsive VF22 equivalent? Stretch the top end out a little bit more.
(I know it sounds like I can't get over the VF22😄 but its just interesting throwing ideas around all the same)
Diesel and turbo quoted $2125 incl gst. Which I thought is reasonable for a genuine OEM upgraded item.
It is journal bearing, but is there really that much difference in the torque curve between journal and ball bearing turbos this small? To clarify my thoughts would a journal bearing bring torque on more progressively compared to the spike you get with the likes of the VF22? Or is that thinking totally up the whack.
But that could mean waiting for some time I've heard. Also does he replace the whole core? Or just the wheels and bearings?.
I know I've read differently on another thread in this forum, but both alltech and Diesel and turbo said the ball bearing cores of VF22 can't be rebuilt. However apparently IHI turbo parts are hard to get so this could be why.
Since we are on the topic I may as well post this. During my research I have found this company in America which seems legitimate from their eBay listings that sells IHI core assemblies.
Pretty sure my VF22 P20 rear housing would go straight onto this. The VF22 front cover is too big, but would a VF28 compressor slide on with some machining???? No doubt the machining would need to be perfect! End result would be almost a VF34. Dont think I will be going down this track but while I was researching and throwing ideas around last night I thought it was interesting all the same.