Built RB24 using a HR31 red top as a base
New 26 n1 crank
Spool rb26 rods
Custom 80mm Cp pistons 8.5:1
N1 oil pump
Arp everything
Cometic gasket kits
Tomei 270 cams
Valve springs
A bit of head work using standard size valves etc
Gtx3071r low mounted on stock mani .73 ar
Stock intake and exhaust manifolds, external gate welded to back of turbo housing
Bosch 1000s
22psi on Caltex E85
Nistune ecu with z32 afm
411whp on a 35degee day Iats over 50
Maxed the afm so stopped at 22psi
Quite responsive considering makes positive boost at 2500 and full boost around 4k