the van had t38 roller bearing turbo BD10 inlet & exhaust cams un-nown bottom end greys running peak 32psi holding 28psi to 7200rpm not sure of the bhp but it must be some near 400 or just over to be doinf the 1/4 in 11.5 & 0-60 in 3.2
just swaper the t38 for a t34 for a little less lag