g5x2 cam on stock stuff???
I just wanted some Real Answers For My Legitimate Concerns.....
I have My answers....and I think I am going to stay with my X1....
Now MAybe a Moderator will lock this post so that a hockey game doesnt break out after the boxing match that is happening....(although I do Play Ice Hockey and Enjoy it oh so much)
I just wanted some Real Answers For My Legitimate Concerns.....
I have My answers....and I think I am going to stay with my X1....
Now MAybe a Moderator will lock this post so that a hockey game doesnt break out after the boxing match that is happening....(although I do Play Ice Hockey and Enjoy it oh so much)
To address your original issue, the X1 is a very good cam, but it is also a big cam and will have many of the same issues as a cam as big as the G5X2 (surging at low RPM with an A4, heavy lope, stinky exhaust with no cats etc.) I don't know exactly the information you want, but I have personally witnessed a gain of 20+ HP with a car going from the X1 to the G5X2 with that being the only change. ANY cam that is around 230 duration will require good dual springs and if LG is willing to stand behind the REV springs I'd say that is the best choice for a direct drop-in replacement.
Once you start dealing with cams in the 230 and up duration range, anything 230 and above will sound relatively similar, they are all going to have a big lope and drive similarly and have an idle close to 1K RPM. I don't think you'd notice much difference between the X1 and G5X cam except for the power output. The X1 may have a little more lower RPM oomph however as the bigger the cam the higher the power band usually is. Both cams will be kind of a dog until you're over 3K RPM and will almost necessitate atleast 4.10 gears to be very driveable. I'd say you'd probably stand to gain a decent amount of power with the G5X cam over the X1, but that decision is obviously up to you. Again these are just MO so take them as such....
As to the pissing match well that is normal on these lists who are full of keyboard warriors who know as much about enigne mechanics as my grandmother. if you have had and wrenched on a 9 sec hemi then you should be smart enough to figure this out and CALL the folks whose parts your looking at and talk to their customers rather than potentially biased rants you get from people on the lists. Good Luck with your project!!
Wes
My Hemi was Mostly Pro Decided..and I just did some of the mechanic work....I did not do cam or head work...it went to a shop for that.I liked to participate....now I'm making the decisions...and I am tyring to do them properly informed....
Is the x1 a better choice for me???
I've installed or helped install 1 X1 cam, and 3 X2 cams all of them with stock heads and let me tell ya they are all animals. I wouldn't have a hard time driving any of them every day, but like it has been said you just have to know what you have to do to them...its not going to last for ever without having to work on it from time to time. As far as valve spring change intervals, call up Lou and ask him.
The one thing I can't say enough about though is make sure your parts match. If TEA doesn't recommend that cam with their heads, then ask Lou what he sugguests. Everyone has their own ideas about what works and what doesn't. There are tons of guys using the X1 and 2 with both stock and aftermarket heads and the information is out there on who's works and who's doesn't. Just because TEA doesn't like it, or can't build a head to work with it...doesn't mean that it doesn't work because LG's cams do work...I've been in both drag cars and Lou's own car at the Open Track event and yeah...just go take a ride in one, you'll never have to ask again
(1600 springs/16 springs per car= 100 cars) thats an awfully high failure rate, for a cam that has only been out a very short time (relatively). Thats also assuming that you are personally aware of every spring breakage that has occured. Jeez, 8 percent of cars with this cam will experience valvespring failure........ thats pretty high IMO. (I bet its more than that, give the cam some more miles. This cam has been available for 3-4 months now, whats gonna start happening when cars have 5-10k miles with this cam. The wear and tear on the valvesprings will be cumulative, and you will start seeing more failures, but time will tell.Valve Springs have been breaking for years. Long before there was a G5X-2 cam.

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In reality, you cannot assume an 8% spring failure rate, when you really have only 1/2 % spring failure. and how many of them were from mis installation or abuse? We had one customer install the Rev spring seats in addition to the stock seals ( the ones with the built in spring seat). when he coil bound the springs on start up, and broke some rockers, and springs, would you call that a spring failure, or an install failure??All I can say is that I have some of the 1592 springs that didn't fail ( 8 failed springs and 1592 good ones). With all due respect, that is not one in 100. And Rev has stood behind every one of the 8 that we knew about.
We recomend that any spring in any cam be changed every 10-15,000 miles. You all know what happens to a single spring when they break, that is why we use double springs.
Thanks
Lou Gigliotti LGMotorsports
One of your customers had 3 by himself, he called me on the phone.
"and you are bad mouthing the G5X-2 cam"
Sorry Lou, did not mean to offend, just posting my experience with the cam, not bad mouthing.
"Plus you only broke the dampener."
No Lou, it was the inner, the little spring in the middle, not the dampner.
"We had an M6 car in the shop for tuning yesterday with our G5X-2 cam and TEA heads. IT only made 413rwhp after tuning"
Our heads seem to favor single pattern or reverse pattern cams. We have had plenty of people make 440+ RWPH, but none with dual pattern cams. I run this cam for the nitrous, my car doesn't make very good power on motor with this cam either.
"before you try to become an expert on Cams that you DON"T sell."
I do sell cams from Competition Cams, just like you do.
Lou, I am sorry that I offended you, I don't want a problem with you or your company. I also hate to see people buy a product that they may have problems with, not that they will have a problem with YOUR product as much as they will with ANY big lift, fast ramp speed cam. The average person doesn't have the equipment or time to spend on something that may be on the edge of reliability. I was one of these guys once. I bought plenty of stuff that didn't work. Once again Lou I did not mean to offend you.
I knew that I shouldn't post my experience with this cam. Everybody buy one, please!
Brent, you are running a spring that we do not recommend for this cam. You are reving it to 7000 rpms on a regular basis with springs that we do not recomend, and you are bad mouthing the G5X-2 cam because you broke a spring that we do not recommend??? Plus you only broke the dampener.
What would you expect with any spring doing what you say you are doing to them.
LG
I suggested that he run .570" or less so that he wouldn't run into reliability problems from such high lift on a stock head. He does not have our heads, so why are you stating that we reccommend .570" or less for our heads when he is clearly not running them? Why are you trying to turn a difference of opinion on what is and is not reliable into an attack on our product?
We flow our heads to .600" every time, if they don't flow, they don't go out the door.
I have been involved in running hyd roller cams on the street with hundreds of customers for over 10 years. I even have a certificate for a "Cam design priciples" workshop that I got while working on the Holley SysteMax stuff back in 1994. So I am not ignorant to the world of cam principles, but very street smart to what I see customers do with heads and related components, if you think .595"/.609" lift is reliable then so be it... if you consider 10k miles a decent valvespring change interval for a "daily driver" with a hydraulic roller camshaft so be it.... I dont.... the Gains in power made from the extra .030" in lift doesnt seem like an acceptable tradeoff for the shortened component lifespan that seems to accompany .600 lift in these motors.
Again i was not trying to badmouth you or your product.. just providing information on the reliability issues I have encountered and experienced first hand with cams of this type so he could make a decision on whats best for his own car.
Brian Tooley
If your heads don't flow well at high lift and experience reversion problems, then why don't you just say so and recommend a lower lift cam to use with your heads instead of bad mouthing the G5X-2? How many times does the G5X-2 have to prove itself, I have lost count of the number of cars I have tuned with it that have delivered more power than expected.
Last weeekend we tuned yet another G5X-2 car with "home ported" 5.3l heads. 440RWHP after a few minor tuning adjustments.
Yes, Comp grinds our cams. However, they grind them to our specs, just as our head porter ports our heads to our specs. By your logic when someone buys TEA heads, they are simply buying GM heads, as you don't actually produce the heads. Or are you claiming that you produce the heads for GM now with that "sold more LS1 heads than anyone" claim.
So until you produce your own LSx head casting your simply a GM head reseller that modifies them for low lift cams.
I think the best lesson learned here do the DIYers is that this is exactly why we sell the cam as a kit, not by itself. That way we can make sure it has the right springs and parts needed with the cam. If you spec our your own cam similiar to the G5X-2, install it with your parts, we can not be responsible for the failures. That being said, where are all the G5X-2 with broken springs? I tune them every single weekend and I have not seen one yet - not one single failed spring after pull after ruthless pull. What am I missing?
I don't see this as a bash towards LG in any way. He didn't say that the cam didn't make power, he just said that it may be a little aggressive for some in a daily driver and I happen to agree with him. It is an aggressive cam and is hard on valve springs period.
Just because he said that, I don't think that warrants an attack on TEA's quality or performance or anything else. The porting design of the TEA heads seems to favor single pattern and reverse split cams as what Brian said. The G5X-2 is a large STANDARD split, so it didn't make the expected HP output. There's your answer. A couple others have gotten 440 to the wheels with the TR230 cam with TEA heads. It's all about matching your components as Lou has mentioned in some previous posts.
So you broke a spring with a cam that had similiar specs to the G5X-2, but not a G5X-2
but not with TEA low lift heads.
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Poor form
yet another reason not to buy LG products.
What's with smearing TEA's products anyway? Brian made no personal attack on your products, he simply stated that it wasn't a good profile for TEA's port design. Where's the insult in that? I thought the idea was to match your cam to your heads? So, by Brian and Brent doing there job and fulfilling their obligation to their customers, they have wronged you in some way? It's not there job to promote your cam, it's their job to sell proven components that work with their heads. Get over it, jeez.
And what's with trying to coin that gay tagline "TEA low lift heads." Dude, come on. There are plenty of 420, 430, even 440+ RWHP TEA cars.. they just aren't making their power with huge cams with way higher than reliable lift. If you guys can't find a head porter that can come up with a port design that makes 420-440+ RWHP with less than 230 duration and .600 lift, that's your problem, but leave the guys at TEA out of it. Besides, where do you think the real braggin rights on head flow are, 440 RWHP with 224 duration, or with 232+??
I'm still waiting to hear what you guys at LG have to say about your G5X2 cam being an off the shelf Comp grind. Is that the reason it was a super secret? lol. Geez, just when I was getting teary eyed about Lou's touching testimonials of the time about how he always innovates and invests his R&D money only to have his products ripped off.
I wonder if Comp Cams wrote something similar in response? That's irony for ya.. 




