CTR pistons in a B18B
 

This is directed at anyone who will know...Im looking at putting .25 OS PCT pistons in my B18B. Now its got the B18B head and has no other mods to the engine other than I/H/E.

Now, can anyone tell me if 1) it will work and Ill have sufficient piston to valve clearance 2) what my compression ratio will be and what octane gas I should use and, 3) if Ill have to look into serious tuning or if I can get by with a chipped stock LS ECU.

Also, can I go with a stock headgasket, or will I have to upgrade to something like a three layer or something of the sorts?

Thanks for any help you can shed.

Jason

Take Steve's advice, pay the money and go and get the ecu dynoed and tuned properly, one of the largest drivablility gains for the least amount of money, and you get free hp with that. I picked up almost 15hp.

dyno time is teh key to HP... ecpecially when you are modding things like comp ratio....