Nissan 370Z Forum

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-   -   Jun camshaft .. Help !! (http://www.the370z.com/engine-drivetrain/90588-jun-camshaft-help.html)

Eclipz 06-04-2014 10:04 AM

Elia ebyss, was anything done to the valvetrain during the instal, and are you on stock compression?

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Elmo370z 06-04-2014 12:15 PM

Yes you can run stock compression, I'm pretty sure some stated the cams were intended to be used in a 100% stock motor, and you will see 15-20 horsepower from just that mod alone. But I think you have to reset the vvel.

1slow370 06-04-2014 12:22 PM

Quote:

Originally Posted by Elmo370z (Post 2846242)
Yes you can run stock compression, I'm pretty sure some stated the cams were intended to be used in a 100% stock motor, and you will see 15-20 horsepower from just that mod alone. But I think you have to reset the vvel.

You will also have check the clearance between the cams and lifters to make sure they are in spec. If you don't best case is it didn't change, worse case there isn't enough clearance and you will melt something or run a valve into a piston, or if there is to much clearance it will slap around in there and either just break, or damage the cam from the pounding.

Edit: just so you know you need to do this any time you change cams, even if you put in another oe cam, it is best to do it whenever the head or block is decked as well in case the head gets distorted, basically any time you pull the head you should check it, it only takes 30 minutes.

brucelidat 06-04-2014 12:27 PM

Anyone know if the gains from the cams would be mostly high RPM peak or overall?

1slow370 06-04-2014 12:39 PM

with more lift you will get an overall gain, with the duration increase it will shift the powerband up so i would expect it to move the power band up 500-1500rpm with small gains everywhere else. it is only exhaust and the timing comes in to play but I ould be surprised if it did something other than that. Also just to remind those who don't know it's all about restrictions so if through a bigger cam on a car with other restrictions you won't see the full benefit, as in if the cam flows 350hp but the exhaust only flows 300 you won't see it. same thing if the intake is choked.

ZKraken22 06-04-2014 01:50 PM

Well if you guys want info you might want to look at cams on the 350z and what the gains the 350z had. Granted those have exhaust cams and intake but still. 3k price for 15-20 gain isn't bad. I would do this if I weren't saving for a GT-R so it would be pointless for me to do this cam install. If you have the cash stop waiting for other people to do something you obviously wanna do. What would be a regret? If you have a full bolt on Z then you'll obviously see gains. It's not rocket science. Like I said people spend this money on a simple exhaust with out complaining for what 5 to 10 hp? If I were keeping the z I'd take my car to Switzer performance in Ohio that are known for the GT-R work and get this done. Vendor Garageline have a set for sale for 700 shipped so you don't have to wait to get shipped in from japan. A lot of interested people about these cams now someone get some balls like OP. Don't bitch at OP for not having more info. He did what a lot of us want to do and said they work.

edub370 06-04-2014 02:16 PM

Quote:

Originally Posted by ZKraken22 (Post 2846335)
If you have the cash stop waiting for other people to do something you obviously wanna do. What would be a regret?

Lots of lost money, time, possibly performance, and a possible blown motor? :tup:

Eclipz 06-04-2014 03:15 PM

700 is a steal. Bruce, buy it :)

6MT-Z34 06-04-2014 03:20 PM

Not trying to hijack the thread but what are your thoughts on the JUN auto throttle bodies? I believe they are enlarged 2mm for optimal performance and reliability...??

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brucelidat 06-04-2014 04:34 PM

no one is bitching at the op for not having more info, we're glad he has the info that he does. There's just not enough info in general for many to go for it ta this point.

ZKraken22 06-04-2014 04:52 PM

Quote:

Originally Posted by edub370 (Post 2846368)
Lots of lost money, time, possibly performance, and a possible blown motor? :tup:

Oh Ethan that sounds like more of the worries of a turbo build to me. It's a cam install it's not hard but it's not easy either. It is what it is. If you only make 10 hp. Still see no reason to regret it. Lost money? I mean more money can be made it's replaceable if you have a career. If your worried about wasting money you shouldn't be modding a 370z period anyways. Don't get me wrong I understand where you are coming from buddy let's watch the nba finals tom:tiphat:

brucelidat 06-04-2014 05:13 PM

go Spurs

Navyboy916 06-04-2014 05:42 PM

I did spend a lot of money for my install but I don't regret installing the cams at all even though I need more tuning time. I love the build. I know it's not a lot of power that most people expect but it's still a great addition to my car and it's very reliable. GTM built my heads and installed there durable parts.

brucelidat 06-04-2014 05:45 PM

Your build is great, it's just got so much in it that we can't figure out what is attributed to what in terms of improvements.

edub370 06-04-2014 08:40 PM

Quote:

Originally Posted by ZKraken22 (Post 2846560)
I understand where you are coming from buddy let's watch the nba finals tom:tiphat:

I'll be watching the cards and royals final game tomorrow. gotta watch kc take this series! :happydance:


sooo op... dyno graph? video? anything?


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