Hey mate,
Im in the middle of building a 25/30 at the moment and currently have the following.
S2 RB30 Block non turbo pistons with RB25DET Head (welded up VCT), 26 Cams
I have put a RB25 Cometic 1.3mm MHG with ARP RB25 Head Studs.
However, information i am seeing is rather mixed, some threads are saying *run an RB25 HG* and others are saying *the RB25 HG wont work, must run a 30 or 26*.
What is your experience?
also, do you by any chance know what style of balancer, idler pully and guide i should be running?
The block has been tapped.
Thanks
Cheers,