C6 Z06 LS7 Fixed Heads... How Much Power Does it Gain? | RPM S6 E42
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- เผยแพร่เมื่อ 5 มี.ค. 2019
- On Today's Episode of the RPM Web Series, we find out exactly how much Ported & Milled heads adds to an LS7 C6 Z06. We also baseline a C6 Z06 and prepare it for our heads cam package and look a little deeper into the Twin Turbo Nova build.
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For specific questions regarding installs, packages or dyno tuning send us an email at Sales@raceprovenmotorsports.net
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So you're getting 500rwhp+ from a heads fix and tune. That's cool. Worth the money just right there.
and you still sound stock! :-)
These guys did AI heads-only on my bone stock LeMans Blue ‘07 Z06 with 10k miles, early last May (they actually did an episode on it, i don’t recall which one?). I shipped it down from CT.
Heads and tune ONLY, it picked up exactly 75hp to the wheels. It baselined at 444whp. After heads and tune it made 519whp. Super happy! RPM is legit!
Found it! th-cam.com/video/u30Dk21DxDU/w-d-xo.htmlm12s
Holy shit that's sick! like you guys said could of been the fuel in that silver car limiting it. But 75whp is insane.
how much I have a 08 zo6 with 15.000 miles
@@TheTmshuman I agree!! If you want real world rwhp numbers, find a shop with a Mustang dyno......
Milo Janis i think look at at improvements over base is a big deal. If they based a 444 at the wheel that must be close considering factory 505 at the crank. 60HP parasitic loss, a bit more than 10%.
This was my 1st RPM video found while searching about the c6 Z06 heads issue...and thank god I found it. I’ll be taking my Z there this spring for the heads can package
RPM is my dream shop to work for ! When I get my certifications in my fields I will quit any job im working at the time to come work for guys
Fran's voice when talking about the internet. "People give advice and they take it." Hilarious.
Those guys have to love going to work everyday. What a bada$$ job!
I had to look outside because my car is the same nightfall gray metallic in your shop.Mine is still here so someone has great taste in color ✊
I like that you addressed the ls7 problem. I’m surprised heads and tune picked up that much. I have also read lots of sites that say even aftermarket heads can still have the problems. It’s nice that you guys have fixed so many and haven’t had them come back. I wonder if anyone has checked wiggle on any though. It’s like trunions, people think they’re fine until they start checking.
I have been asking the same question. I spoke with A.I. and even Phil says its really only temporary about every 20k when you change springs.
@@paisley2342 tf are you talkin about lmao
I've read the angle geometry is stilkl fucked at 13-15 degrees vs 11-12 stock
@@xpeacemaster what didnt you understand. Its a temporary fix for these heads per Phil himself at A.I.
Good lord ..... I was just watching this and thinking Steve had not obsessed on his cam lube thing .... 3 seconds later .... there it was. Steve may always be known as the cam lube king.
Ok... Sitting here watching another fun episode.. And I have an idea. Put a white board up and keep track of monthly dyno guessing and end of each month have Fran give prizes out lol..... I'm sure he'll go for it... 🤘
Can't start episode better than Fran talking about THE INTERNET. :)
MY $0.02, I think the that the offset on the intake and exhaust rockers are a big part of the valve issue along with the loading of the small roller trunnion bearing on the rocker during the full travel of the rocker. The witness marks on the stock rockers prove that they are not running in line, or true, or square, what ever you want to call it. If you are going to spend bucks to address the heads up it to include a shaft rocker set up. I just don't think any rocker using the stock layout is up to the task. I have seen high dollar race LS motors using the stock rockers, but when the snow fly's the motors are out, whereas us regular guys just add up miles. I might as well add I'm not crazy about plastic keeping the lifters square to the camshaft either. 2007 Z06, 9,400 miles heads done, Morel lifters, Crower shaft rockers, street car, two years ago.
Where are you guys located? I want to buy 2008 Corvette Z06 but I want to make sure that the head and valve are fixed..How much does it cost to do the job?
If I remember correctly, I think the one last year made 505 also. I totally get why someone with such a like new car would just do the heads. Beautiful car. 👍🏻
all c6z cars made 505 from the factory. The LS7 was rated at that in every year.
@@derklanz1222 I was talking about at the wheels with fixed heads.
@@davewhitegt Yeah it's like making 575 HP at the engine with the tune and head fix.
@@derklanz1222 NOT at the wheels, 505@crank, and 505@wheels are as different as night and day. It would take at least 575 crank hp to get 505whp
On the fixed heads 06 z06, what did the compression get bumped to? Thanks
I always say I would have to have RPM work on or tune my vehicle but it's not a Corvette or Camaro, or a classic... FeelsBadMan
Oh that tease at the end.......🔥🔥🔥🔥🔥
I am for sure running out of places to hide things. Looks great I can’t wait to hear it run C7z !!! I would love to hear the production for the numbers it will make on motor.
Would love to work at rpm only 17 so I got some time but have so much interest in more stuff 😭 but cars is my passion thank god for em. MERICA
What kind of ethanol gauge do yall use?
That white zl1 is wicked
valve with heads on lol, takes my back to working at autozone had a kid asking for a rental tool that could help him replace his valves with the heads on "I asked how you was planning to manage that? You must mean valve strings or seals?" Nope he was dead set it was possible even tryed to ask if he was gonna drop the bottom end out of the engine
So what is the cost of just fixing the heads?? Thank you.
I know you guys stay super busy on customer cars but when is Fran going to start on his chevelle ?
you guys should put up a score board to your guesses
Strling twins would be an awesome license plate
My local performance shop that’s suppose to be the best in my area uses Reconditioned LS7 Cylinder Heads for the swap. Have you heard of that? Is that different than getting say AHP heads or Texas speed or the type you guys use or is that the normal process?
Most places like ahp wcch etc use the factory heads not aftermarket and I believe PRC heads are the factory casting.
I saw that twinkle in your eye. Rhythm is Dancer made you wanna bust a move.
Do you guys ever plan on goin to any of the Street Car Takeovers, or Cleetus and Cars events?
Yes
Finally got my SS lol not rich enough for real work yet, go head bless me with the license plate covers 🙏🏽🙏🏽
The internet is a special place indeed😂😂😂
I’ve been catching up on all these episodes and I absolutely love hearing Metallica in a lot of them. Best fucking band
Selloutica sucks. Megadeth 10x better.
When you told him I'll tell you where to put it I thought that camera angle was about to aim towards the floor 😣
I'm puttin you on the news pal 😂 #edbassmaster
Its like GM Heaven in that shop... lol
What happened to the ats-v
Nice!!
It happened to me 23000 mile driving 80mph and I dont beat on my cars. I'm taking it to rpm as soon as I get the cash
SF 475 what year is you z06
@@luissuarez3696 2007
Its is at rpm now Maybe it will make it on the a episode. Its blue with red stripes on the front fenders!
How much is just the heads package?
So, I just got a 2013 427 Corvette Convertible. Of course I sometimes think about a set of worked over heads to get rid of the valve guide issue. I saw a set of heads (no labor) for $1,800. I've done head swaps before so don't have a problem doing it but worry about harming the resale value if I modify the car at all and don't have proof that a shop did the work. What I'd sure love to know is how much a set of heads like this cost to install with the tune. I'm guessing well over double. :( So, what, $4,000 and I'll get how much more HP? Obviously it's fixing the possible valve guide issue too.
Who's gonna know if you dont tell? The block has a # in plain sight (kinda). Most people don't remove the valve covers to check a casting #......
Fran is straight up. And I like it 😂😂😂
Fran*
Frank lol Fran lol
Fucking auto correct made me look retarded. Fuck me 😂
Did you use the stock heat range spark plugs in the silver Z06 or did you go to a 7 heat range?
Stock. 7 is 3 steps colder. Zero reason to go to that
I was under the impression that the AC Delco 41-104 was equivalent to a TR6 and with the higher compression of the milled heads a change to a 7 would be possibility.
6's work. 7's don't. They are too cold for street app.
the nova is awesome, Barrett Jackson type of car! Nice!! the tuperware camero and corvette's can't compair to the real american steel cars!
A ground level dyno seems like a good investment for how many cars you guys dyno.
Yea but then that isnt mobile.
I mean they could keep the mobile dyno
Did Matt use to work for quality Motorsports in Lewisville tx
No
Jesus, that ZL1 1LE sounds like a MONSTER!
Thou shalt not take the name of the LORD thy God in vain; for the LORD will not hold him guiltless that taketh his name in vain. Exodus 20 7 KJV
Hi 👋 I have a bicycle that I’m trying to get to tuned It currently runs on two Pedals
Mike Dale 🤣
LMAO!!!
Dont drop a pedal. Looming disaster until you fix the pedals!!
Yellow is for looks not speed. Now Red is where its at for speed. Fastest color out there.
I’m planning of buying ls7 c6 zo6 but I’m afraid of facing the dropped valve disaster.
@MUNIF891 same I want to get the car but afraid getting into that problem
Bad Boys
How is the ls7 reliability once you get a set of heads on one and don’t have to worry about valve drop?
It depends on who's "fixed heads" I can only speak for our's and we have never seen a case of ones failing after being fixed and we have been doing this for a long time.
@@RaceProvenMotorsports whose heads do you use?
I want the ZL1 1LE 🤤🤤🤤🤤🤤
However owns that garage has great taste in music. La Bouche...
Men in black 2.
Chevy2 ss engine is gorgeous
What years does the head issue effect?
All years
From 2008 through 2011 C6 Z06 any other year you're fine.
how much for just the heads to be done?
For specific questions regarding installs, packages pricing or dyno tuning send us an email at Sales@raceprovenmotorsports.net
Men in black broski
RPM what is your labor rate
We have job rates not labor rates. So pricing depends on the job.
Why didn’t GM issue a recall when the problem came to light?
Matt - No one answered so I thought I'd chime in. My cousin was the QC Director in Bowling Green from 2004 until he retired in 2016 (I only mention it so you don't think I'm just another "expert" spewing BS). According to GM the LS7 heads that were affected were built by an outside vendor that only made 1,200 sets. Because that is such a small number, in the overall run of the LS7 engine, it did not qualify as a high enough number to issue a recall. They wouldn't even repair those affected by the "supposed" small number built by that vendor because they couldn't track which engines received which heads. Obviously, that's a load of crap as it would be very easy to figure out when those heads were received and which engines were built after that. Regardless, if the forums and car meet conversations are to be believed the number of engines affected were probably closer to 8-10 times the official estimate. It's not all doom and gloom, however, as my daily driver is a 2010 Z06, supercharged to over 650whp, and still has the original heads that I have never messed with. Cheers.
M McBride , good to know! Thanks for the response.
Matt, there are 4 reasons for no recall;
#1: Expense-
#2: G.M. will not admit any of it is their fault-
#3: G.M. V8 would look inferior compared to competitors.
#4: G.M. couldn't care less about the consumer....
On the ZR1,why not quickly just syphon the tank and throw in 5 gals of 93 just to be sure? If nothing comes of it, no worries. If you pick up 12hp, bill it out. And you've got an 87 and 93 tune. Which everyone is going to want if gas prices keep going up as fast as the Presidential Dementia onset.
It’s not so easy to just “syphon” gas out of a tank. Also no one is gonna out 87 octane in Their ZR1 regardless of gas prices
IMHO correct me if I'm wrong but that silver z06 only shows that garage queen cars should be driven a lot more to loosen them up rather than babying them. Shame really, they're meant to be driven!
What's the price range for doing the heads on a c6?
We have a few options on our website > raceprovenmotorsports.net/collections/c6-z06-zr1-performance-packages
@@RaceProvenMotorsports thank you!
So disappoint about GMC didn't recall all those LS7 engines.
Dude said FIVE fifty-two. Come on man
How much does it cost just to do the heads if you dont mind me asking?
I would like to know this as well
There are options on our website www.raceprovenmotorsports.com For all quotes and scheduling please call or email us sales@raceprovenmototsports.net
“Google is your friend”
Uses Firefox
MIB 2
I love it my boys rpm keep up work and love video and I love c6 zo6 beautiful lot
I expected more from just the heads, around 50whp. Its close tho, the cam makes a world of difference it seems
Better flowing heads aren't going to flow much better than stock factory heads if you don't open up the valves in a manner to allow them to do so.
It's kind of like if you if you took a LSA and did a blower swap adding a Whipple and only made an extra 20-30 HP. That would sound terrible unless you found out that you were only pushing factory PSI levels with the larger, more efficient blower then it would sound expected as that blowers made to be worked harder than the factory blower and at higher boost levels it would easy outshine the OEM blower. Same with more efficient heads. You're not general going to notice a huge HP increase with a stock cam that's made to work with stock heads, but the more you open up the valves to allow more airflow the more you're going to notice the better beathing of more efficient heads and the larger the power gap between stock and port and/or aftermarket heads will be.
My Camaro SS needs some power possibly a stage 2 package 🤔💥🚀
"We make money fixing heads, so OF COURSE it's a real problem." Duh.
Except anyones whos owned an LS7 knows its an actual real issue....
@@luigiluigini9500 For modified engines, perhaps, but reputable machine shops will tell you they almost never see this issue in stock LS7’s.
@@kevindavis5966 yes or high mileage engines. A bone stock babied LS7 most likely will never have that issue. A poor tune can probly cause it as well
@Kevin Davis It has, and will happen to bone stock engines, too. There are plenty of guys out there who've lunched their motors totally stock, some just out of warranty. Check out the Corvette Forum. Sad, but true.
@@milojanis4901 yeah problem is this is still a factory LS7 head with LS7 head geo and stock rockers and there in lies the problem. Most of these companies are just freshening up the heads with different exhaust valves, recoated intake valves, longer guides with materials that better withstand titanium etc, but still LS7 head geo
Where you guys located at what state
Delaware
Name that movie that was men in black
So GM advertises 505 hp is that true? Reason I'm asking is I'm thinking about buying one soon. Cool stuff. 👍👍
At the crank yes
@@RaceProvenMotorsports
Thanks for taking time to reply, you guys look busy, that's a good thing, I have one more question does the ls3 actually produce advertised hp n tq? Thanks agian👍👍🏁
Actually makes 517 to crank. 505 sounds cooler.
It should be a recall.
How much power do Y'ALL think the LS7 rods will take, let's say under boost?
1k rwhp
NONE after they lose their coating, which is now happening to a LOT of higher mileage LS7s. Sad
Men in Black 2
13:30 the smartest people never have videos or they will have videos of them playing video games.
I don't get the Silver Corvette with 8,000 miles on it!!
Who in there right mind gets a set of ported and milled heads on a car like that but no cam and keeps the cats!!!
That's just blown money
It’s not blowing money when he’s doing it so he doesn’t destroy his engine
@@RaceProvenMotorsports that's true, but why put such a nice pair of heads on and not the cam for just a little more money as we all watch the results of your dyno's.
I know the issue with the factory valve seats but if I'm going to have you change out my heads to see pair of those I'm going to add the cam no questions asked.
He would have been sitting closer to 600 then just 500hp.
But to each and there own.
Only a problem for those who have had to replace a motor
Thought a stock Z06 made 505hp out the gate 🤔
To the engine.... this is to the wheel.
RaceProvenMotorsports Looking to buy a Z06, but the valve drip is kind of making me look at the LS3. Should I be swayed to not get a Z06?
At the flywheel
Men in Black 3(?)
MIB II - th-cam.com/video/ha-uagjJQ9k/w-d-xo.html
i made 517whp with a intake tune and cat back borla. I asked the dyno operator if his dyno was broken.
Love that they are saving these ls7’s, it’s nice to see them fix GM mistake.
So imagine this. You get a 2006 z06 and u spend all that money, bone stock just to get the car of ur dreams growing up as a kid. Then now u gotta drop another 4K just so u don’t blow the motor up. Idk if it’s just me, I’d never buy a c6 z06 no thank you. Only time u should open a motor up is if u wanna make more power, or if u need to do maintenance but you expect that on a high miles LS motor.....
GM done did it those years.What happened to the days of just buying a car and never having to open the motor up lol, bone stock, got guys poping LS7’s. If anyone tells u a LS7 is a great motor, Greatness is defined by reliability too.... reminds me of all the bmw s85 v10 guys praising their motors meanwhile they popping them left and right.
Keep up the good work, I’m happy u guys are saving these cars!
I've owned 2 C6 Zo6s 55,000 mi between them and never dropped a valve, I'm aware of he valve problem and it does happen, either get a warranty or have the heads done. My second one had the heads & cam done, now with 540whp. Great cars!
110/000 not one problem 55k on tires 60k on brakes lts a dam good car 😒
Men in black
The whole sh-tick where you and the boys play your guess the horsepower is kind of old.
m.i.b.
screw the internet and loose the scuba gear
There is no heads problem. Never believe the sales person
You are clearly a clueless moron
Scumbag Steve. Has quality dyno footage; Makes audience wait.
So you tune a car and you dont know for sure what fuel is in it? umm ok.