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Redoing my 06 k20z1 RSX type s motor need help getting it to push 275 to 300 N/a

4.7K views 9 replies 4 participants last post by  Daniel06type-s  
#1 ·
I would love for someone to tell me a good set up to use for my 06. It dynoed at 200hp would like to keep same block. Is it possible to get another 75 to 100 hp all motor?????? And if so what pistons? Do I need to bore it past stock? If so what .02 .04? What cams?? Stage 2 ? Help please!!!
 
#5 ·
I’ve never built an n/a motor so I very well could be wrong, but I don’t see you achieving 300 hp with bolt ons and cams with supporting mods on a Z1. If it were that easy, everyone would be doing it. At the very least, you would need a k24 bottom end that DC5Carlos mentioned from the guy on YouTube.
 
#6 ·
Dude thank u I been stressing trying to find a different ECU now I don't have too. Never knew about ktuner didn't think it was possible. Now I know. And maybe I can't get 300 hp outta my z1 but I wanna get close to it. It's dynoed at 200hp with just headers and exhaust. If I add a intake manifold 70 to 72mm throttle body 450 cc injectors ktune 1000$ set of cams new pistons and rod connectors, double spring valves, underdrive pulleys cold air ect... I mean man it's gotta at least add 75hp at the most dont y'all think???
 
#8 ·
I think you were on a high reading dyno to achieve 200 with just a header and exhaust with no tune. Or you have a factory freak for an engine.
If you’re doing pistons and rods as well, I would assume you’re increasing compression? Then yes you can get very close, with the help of a good tuner. I‘d skip the underdrive pulleys though until the very end when you can’t squeeze anything else out of her. I don’t think there are even any reputable companies making them anymore. Take a look at this thread here. Dude made stupid power with his build, but not on pump gas.