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H22 Stage 1 cam questions

 
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Old 04-01-2015, 04:24 PM
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H22 Stage 1 cam questions

So I've bought a lude and had it for awhile now. Wanted to upgrade to stage 1 tuner series from Skunk2. Would love to go for brian crower stage 1 but i just cant find it anymore especially for the price difference. Anyways, moving on just a quick question and I've read multiple threads of stage 1 cams of valve train upgrades and things. My questions are....

1. Valve train upgrade recommended but not required. What exactly are the bads/cons of not upgrading? Obviously I know that if something can't hold up then kaboom goes my head.

2. If any upgrading is needed, is upgrading just the valve springs/retainers good enough? Or is a new set of valves needed as well? I know it's mainly recommended because of hitting higher rpm's but I will be keeping it where it's at.


All in all i just want a little more power for my car. It's my daily so i dont need anything crazy but a better powerband for future plans like going to the track and etc....I guess I need answers to these questions mainly because it will help me make my final decision. Any advice or info would be thankful guys.
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Old 04-01-2015, 04:55 PM
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Re: H22 Stage 1 cam questions

The stage 1 tuner cams are pretty mild. It's always recommended to upgrade the valvetrain but you can probably get away without it with those. The problem you have with more aggressive cams is that the valves open/close speed is greatly increased as the lift and duration are, and without upgrading the springs/retainers you can end up with valve float at high RPM, not disastrous but certainly not desirable. It's not like you'll break a spring.

The OEM valves can be used on most builds, unless you are heavily turboing or chasing some extra compression then they are fine, but you'd have other problems before the valves. It wouldn't hurt to check out their condition while you have the head apart, replacing any damaged ones and cleaning up the others. You're just not going to get enough benefit for the cost of upgrading them.

The problem with the H22 (as with all H-series) is the relatively poor rod-stroke ratio. The stock redline is fine but it is difficult to squeeze extra RPM out of one without a lot of $$. Most off the shelf cams are designed to make peak power well before the stock redline anyway so don't worry too much.

In the end the stage 1 cams won't be making much extra power but at least will still be quite drivable in a DD.
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Old 04-01-2015, 07:45 PM
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Re: H22 Stage 1 cam questions

^^ good tips.

But... If you can get that motor to inhale and exhale better you'll gain more thump while leaving all the internals alone. That's the big secret behind the 5th gen Type S vs our cars.
(I speak of the USDM when I say our cars Tassie)

More efficient intake and more efficient exhaust.
Now we're talking some sizeable investments on some hard to find parts, but meaningful gains that can be really tweaked with a tune....

:::ogskillet's::: base 5th Gen
^^ take note of the lack of modifications.
This car is proof that with a free flowing system the H22..(um err uh, I mean vtec H23) can be very potent and remain reliable without being complicated.
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Old 04-01-2015, 07:51 PM
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Re: H22 Stage 1 cam questions

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Originally Posted by 93Prlude View Post
Would love to go for brian crower stage 1 but i just cant find it anymore especially for the price difference.
Skunk2 has been credited as a more aggressive cam than BC at the same 'stage'.


Quote:
Originally Posted by 93Prlude View Post
1. Valve train upgrade recommended but not required. What exactly are the bads/cons of not upgrading? Obviously I know that if something can't hold up then kaboom goes my head.
You pretty much answered your own question there.


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Originally Posted by 93Prlude View Post
2. If any upgrading is needed, is upgrading just the valve springs/retainers good enough? Or is a new set of valves needed as well? I know it's mainly recommended because of hitting higher rpm's but I will be keeping it where it's at.
Springs and retainers would be what you'd want to upgrade, so you are correct there. As stated, a stage 1 cam isn't necessarily aggressive enough to warrant new springs and retainers, but installing them would sure be a good piece of mind since you're going to be putting a little more stress on them anyway.

You would not need to worry about new valves, but if you're going through all the effort, new valve seals would be a good thing.
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Old 04-01-2015, 08:58 PM
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Re: H22 Stage 1 cam questions

Thanks for the advice guys! Yeah I think I'm pretty much set on this decision then. I'll probably open a new thread once everythings in. I'll be sure to keep you guys updated then, but probably won't have anything in until a month or so lol. Money isn't the issue, time is.
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Old 04-01-2015, 09:05 PM
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Re: H22 Stage 1 cam questions

Well crap, if money is no issue, freakin recondition the whole head while you have it apart!
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