You can definitely do 450kW on the RB25 non-NEO head, plenty have.
The $600 to $800 conversion will end up costing you much more I suspect, I believe you will require machining.
NEO head has the lowest barrier to entry.
My 2c? buy a BMW 😆
No more 90s JDMs for me, just want 4 door cars that won't attract cops.
Wouldn't mind a Hako or a 240Z all motor but modernised (big comp, big cams, ABS, DBW, dis dat).
The reason I made this thread was to try to get some useful info as all of the older threads only have tidbits here and there, while I do appreciate banter and suggestions of shoe horning V8s into cars, for the sake of someone trying to make a decision on this topic - is the general consensus that you really don't need to convert to solid lifters unless you're chasing wild above average power and rpms?
options -
Stick with hydro lifters possibly make 450kw at 7500rpms assuming all the right supporting mods for that goal
Spend the $600-800 for the Solid lifters and find out how hard it is to set the clearances and what else needs replacing around them
Neo head - possibly will cost more depending on the head prices at the time
Throw away RB or buy a BMW 😆
There's a lot of the solid kits getting around from different manufacturers so someone must be doing the conversion
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