Not 100% sure yet. Need to open it up. Goal is a reliable engine that likes to rev without breaking the bank
Cams - Cat cams or B30 intake cam
Solid lifters and port work on head
Good day out on the weekend, 7th fastest out of 37.
Also ordered a Haltech 2500 ECU today and have been looking at building a high compression M52b28 with M54 cams or stronger and new pistons in increase compression