I have been doing some research and I was interested in replacing my valve springs to dual springs and my retainers to titanium ones. Then I would send in my my ECU to Hondata and have the redline raised to 7700 rpm. Would this be safe?

 

I believe you best option would be to use OEM springs from the k20z3, cheap upgrade that will be more than sufficient.

 

unless you are using some beefy cams no needs for the titanium springs and retainers. If you are using factory cams you can swap springs/retainers with the Z1/Z3 and you can up redline but just make sure it's worth it power wise. I'm not sure what the power drop off on your setup is. Ever dyno your car?

 

That makes sense. Thanks