How fast before they get ill handling how fast have you been and how much power

I think you need full hydraulic steering much past 70, my 311 was a handfull until i added it now it's rock solid. Other than than that no issues that I know of. Does your 292 have the built in hook? My 272 did but my 311 doesnt.

I echo Mr. Maine. I had a 1990 292 SR1 with 365 mags and first generation bravo 1 lowers. Added Bob's nose cones to prevent blow out above 65 and then added full hydraulic steering. After adding stainless marine exhaust ran 70-72 GPS with no handling issues what so ever. Mine had a built in hook above the strake.

I believe that the first two or three 292 SR-1s were built without the wedge between the chine and first strake. They discovered the boat got a little "porpoisy" and they pulled the mold out of production and added them. That model and the smaller SR-1, LS and SS models all got them. The 311 and 357 did not.

Some days it pays to be an old goat.

Were rebuilding the 454s making them 489s should be at 575 or so just wanted to know how fast anybodys been with some power its a 1990

Not exactly the identical situation, but a friend built a 1990 311 with innovation built 502's putting out about 520 hp and he saw right at 80-82 with bravo drives and 3 blade bravo 1 props.

Thanks

Last boat was 89 311 built 502s 75 mph and rock solid stable imco external steering and bravos

Did you add full hydraulic steering (including helm) or just external cylinders on the drives?

I am currently adding full hydraulic steering, K-Planes and twin 520 hp engines to my 1991 272 SR1. Will let you know inthe spring how it turned out.