IM REBUILDING MY 97 LN2......BY DOING THE ROCKER ARM ROLLER TIP 1.6 AND SBC VALVE SPRINGS WITH P&P HEAD ALSO THE M98 OIL PUMP..AND MAYBE GETTING A STAGE 2 SPEC CAM REGRIND ,THE PISTON SWAP FROM 2200 T0 2.2 FOR HIGH COMPRESSION...WILL IT RUN GOOD WITH THIS SETUP WITHOUT A TUNE??...OR SHOULD I GET A AGJUSTABLE FUEL REGUALTER TO RUN WITHOUT TUNE?????...

Dont think it will run good with those pistons without tune.

First off, you should buy my head, cam, lifters, rockers, pushrods.
Im selling it all.

Let me know if your interested.

two rules of thumb here.... 1) stay away from all capital letters, and 2) if you change the cam, you will need a tune....

an AFPR will not do the job alone, You are going to want to get the fuel trims and the ignition timing set properly.

Ok thanks for the info...