Hey guys Ive been looking into turbocharging my k24 dc2r, currently has a stock k24 block with fully built head and Norris Prayoonto stage 3 cams, looking into getting a gtx3076r gen 2 turbo on it but ive heard people saying that the stage 3 cams will not suit the engine and turbo and will make less power over the stock k24 cams, could i get some opinions on this setup and is it really necessary for me to change back to oem cams or could i leave the stage 3?

 

all I know is...... those motor make stupid power without any internal modifications. What is your power goals? Have you watched any videos that Humble Performance puts out?

 

My power goal is around 300-350kw which is around 420hp as i will be running stock block, Ive seen there videos and they do make really good power, its just i already have the cams in my car and dont want to be changing them out again thats all but a tuner i talked to down here said that these cams would be excessive overlap and that the stock k24 cams would make more power unless im pushing 25+psi which seemed a bit odd to me.

 

im not the best at determining what cams to run unfortunately, that’s where a good shop with a good tuner becomes important

 

In this situation, stock camshafts are perfectly fine for this power goal.

 

Yep I understand that the stock camshafts would be perfectly fine but would the stage 3 camshafts be ok too? as my tuner said that the stage 3 camshafts would actually make less power throughout the whole power band if im running low boost (10-12psi).

 

I would agree. valve timing events would make things worse. Those camshafts are for the big bosses running large CFM over 1100kw.

Stick with Stock, my friend.

 

You dont need cams on a good honda flowing head at least below something like 20 psi.
You have a VTEC head right? K20Z1 cams are PERFECT. The greek 800hp awd RSX of Kostas Manioudakis Kanados has oem type R cams.
If you want to keep the big cams you need a long turbo manifold with at least 75mm inducer (big side) turbine wheel. More like a 80mm wheel. And that turbo will be dog for only 400hp.
Also if you are buying a new gtx turbo, either get a GTX3071 or g30-660. Still for only 400 hp id get a cheaper journal bearing garrett and call it a day.