Cams or no cams

[chituntang]

I am upgrading my S13 SR's turbo to a S14 unit. I got it from a trade, and the stock T25 is on its way out already. Now I am considering a cam upgrade as well. Nothing crazy, just HKS step 1 cams or something similar, without upgrading other expensive parts (nothing over valve spring upgrade). This is in my daily driven S14. I am not a dyno queen. I do like my mid range powerband, when I can just step on it and it will go.

Now to my question:
Does aftermarket cams affect full boost rpm?
I understand the duration vs. lift, but should I go with 256 or 264 cam?
What is the benefit of step 2 cam vs. step 1 cam at the same duration, and shout I do so if I have the money?


Thanks
Jesse

[S13 curtis]

I am upgrading my S13 SR's turbo to a S14 unit. I got it from a trade, and the stock T25 is on its way out already. Now I am considering a cam upgrade as well. Nothing crazy, just HKS step 1 cams or something similar, without upgrading other expensive parts (nothing over valve spring upgrade). This is in my daily driven S14. I am not a dyno queen. I do like my mid range powerband, when I can just step on it and it will go.

Now to my question:
Does aftermarket cams affect full boost rpm?
I understand the duration vs. lift, but should I go with 256 or 264 cam?
What is the benefit of step 2 cam vs. step 1 cam at the same duration, and shout I do so if I have the money?


Thanks
Jesse

I think stock cams would be fine with that turbo but thats jus my opinion on that. I wouldnt go any bigger than a 264 duration cam with a base T28 but only reason why i wouldnt go 256 is because if you ever want to go bigger as in turbo, those cams will hold you back a bit power wise.

The bigger cams will shift your power band more to the right.

[Def]

Stay stock for a daily driver. Full boost RPM isn't really changed much, but lower to midrange torque on 264/264 Step 1's definitely goes down a bit.

You will be able to hit 300 rwhp or close to it with an S14 GT2560R and stock cams.

[Slidin' Sam]

Get some tomei 256 poncams. You won't have to tune and you can retain vvt. Their awesome! I have them on my s14sr. I also did BC valve springs and tomei RAS...cheap $150 insurance while I was doing cams. Well worth the money and time and very reliable for daily driving. Nike - JUST DO IT!

[eklips3]

Get some tomei 256 poncams. You won't have to tune and you can retain vvt. Their awesome! I have them on my s14sr. I also did BC valve springs and tomei RAS...cheap $150 insurance while I was doing cams. Well worth the money and time and very reliable for daily driving. Nike - JUST DO IT!


the guy has an s13 sr20 in his s14.



I wouldnt go with cams if its your daily driver. like it was stated a few posts above the power band will be shifted more towards the right , which means you will have more top end rather then mid range power.

keep your mid range , save a couple hundred bucks and enjoy your t28 :bigok:

[Options13]

im actually thinking about putting some tomei 256 pro cams in my s14 sr, would i still be able to keep my VVT? or is it best to just eliminate that?

also i dunno what it is, but i hear a very faint ticking in the 2k rpms. maybe vvt? or timing chain? i know for a fact its not a bearing, i know what that sounds like, due to my last sr having a spun bearing..lol

[sidedrifts13]

post a video of the ticking sound?im actually thinking about putting some tomei 256 pro cams in my s14 sr, would i still be able to keep my VVT? or is it best to just eliminate that?

also i dunno what it is, but i hear a very faint ticking in the 2k rpms. maybe vvt? or timing chain? i know for a fact its not a bearing, i know what that sounds like, due to my last sr having a spun bearing..lol

[510-SR20DET]

unplug the VVT and the sound will go away.