Just trying to get an overall concesense on what people are experiencing with high hp stock engines. I am going FI with a cam, headers, meth and some other mods, my overall goals are to be in the 650 to 675rwhp range and I know many here in Houston alone are well above that on stock bottom ends. Before I decide how far I want to go with it I wanted to see what everyone else has experienced, has anyone blown an LS2 motor yet? How much can it take with a good tune? At 675 is it just a matter of time before it breaks. I am not one to turn the key and mash it, but I will definitely jump on it here and there. What have you guys seen? Thanks
Just trying to get an overall concesense on what people are experiencing with high hp stock engines. I am going FI with a cam, headers, meth and some other mods, my overall goals are to be in the 650 to 675rwhp range and I know many here in Houston alone are well above that on stock bottom ends. Before I decide how far I want to go with it I wanted to see what everyone else has experienced, has anyone blown an LS2 motor yet? How much can it take with a good tune? At 675 is it just a matter of time before it breaks. I am not one to turn the key and mash it, but I will definitely jump on it here and there. What have you guys seen? Thanks
I'm in Friendswood, if you'd like to meet up (when it dries up), I'd be more than happy to show you my kit (ECS) and take you for a ride.
That would be great I am planing to go to the corvette expo in Feb, maybe we could meet up there if you like. Next Sat. the 3rd they are having a dyno day at HPE also. So what kind of power are you making with the paxton? Thanks Bud.
Just trying to get an overall concesense on what people are experiencing with high hp stock engines. I am going FI with a cam, headers, meth and some other mods, my overall goals are to be in the 650 to 675rwhp range and I know many here in Houston alone are well above that on stock bottom ends. Before I decide how far I want to go with it I wanted to see what everyone else has experienced, has anyone blown an LS2 motor yet? How much can it take with a good tune? At 675 is it just a matter of time before it breaks. I am not one to turn the key and mash it, but I will definitely jump on it here and there. What have you guys seen? Thanks
If it was me on the stock bottom end, I would do 600 RWHP+ at the max. Better yet just leave it @ 575 RWHP, I mean do your dyno run to 615 RWHP and then just run it at 575-550 RWHP. You aren't going to notice it that much unless your brain can compute SOTP data into numbers.
If it was a 100 RWHP + difference then you probably would notice it, but why?
Just run it at 565 - 575 RWHP and make a big dyno number to impress everyone with race gas @ 615 RWHP. That's what most people do obviously, even on the forged bottom end. Wow, look I cheated to make a huge number on a dynograph, and then pull it back for reliability since only the dyno can compute the numbers.
I mean alot of guys lie about what numbers they put out anyway and jeez it seems like when you tell them your nominal RWHP (which is what matters anyway), they start telling you about their max crank power all the sudden.
To me, it makes more sense to run the car nominally at a safe RWHP number approx. 60 + RWHP back from your max possible RWHP output number then just show everyone your one time crazy race fuel cheating dyno run to impress.
That way you get the best of both worlds. If you happen to run into someone that tells you what their nominal (their everyday RWHP/RWTQ #'s) are and then tell you their max dyno queen run was, then you know you got a "real" individual and not some freakin' idiot liar.
That's just my take anyway.....don't "over do it" everyday. There is no need! Enjoy the car at 50-75 RWHP less and save some $ too!!!
When you're ready, then go forged and get some "real" crazy numbers. Otherwise, you are chasing rainbows that even if you happen to catch one, the time you will posess it will be short. You get the idea!!!!!
I haven't had any problems yet. I really think it's all about a good tune and how you drive the car. I know a guy that grenaded a LS6 with 510RWHP but their seems to be a lot of guys on the forums running all the way into the 700's with no major melt downs. I think as long as a guys uses some sense the stock LS2's will take the power.
If it was me on the stock bottom end, I would do 600 RWHP+ at the max. Better yet just leave it @ 575 RWHP, I mean do your dyno run to 615 RWHP and then just run it at 575-550 RWHP. You aren't going to notice it that much unless your brain can compute SOTP data into numbers.
If it was a 100 RWHP + difference then you probably would notice it, but why?
Just run it at 565 - 575 RWHP and make a big dyno number to impress everyone with race gas @ 615 RWHP. That's what most people do obviously, even on the forged bottom end. Wow, look I cheated to make a huge number on a dynograph, and then pull it back for reliability since only the dyno can compute the numbers.
I mean alot of guys lie about what numbers they put out anyway and jeez it seems like when you tell them your nominal RWHP (which is what matters anyway), they start telling you about their max crank power all the sudden.
To me, it makes more sense to run the car nominally at a safe RWHP number approx. 60 + RWHP back from your max possible RWHP output number then just show everyone your one time crazy race fuel cheating dyno run to impress.
That way you get the best of both worlds. If you happen to run into someone that tells you what their nominal (their everyday RWHP/RWTQ #'s) are and then tell you their max dyno queen run was, then you know you got a "real" individual and not some freakin' idiot liar.
That's just my take anyway.....don't "over do it" everyday. There is no need! Enjoy the car at 50-75 RWHP less and save some $ too!!!
When you're ready, then go forged and get some "real" crazy numbers. Otherwise, you are chasing rainbows that even if you happen to catch one, the time you will posess it will be short. You get the idea!!!!!
That was a great take, definitely the truth, to many dyno queens out there and not enough real car guys that know and understand what it is all about. The bottom line is that the car gives you the drivablity and power that you want. My problem is that I don't yet know what that is. So guys say they don't want anymore than 500rwhp and others have 700 and want to make 850rwhp. I know that street tires can only hold so much but I may plan to autocross the car or hit the strip now and again with some Nittos or Hoosiers. So I don't know exactly what it is I am looking for, but the reason that I started this thread is because I want to know what this LS2 can truly handle.
I have been on the LS2 FI forum from the day it started and I have yet to read about anyone blowing a stock LS2 motor.. NO ONE. I was on the c5 FI and constantly read about guys blowing stock motors with 7 psi. But for some reason this LS2 seem to be ALMOST bullet proof, and it defies all logic because there are very few difference between the 2 motors.
Guys are pushing well into the 700s and still not having problems!!! What gives... I don't understand it. So what do you guys think, what is the ideal rwhp for a street/sometimes track car? Any input would be great.
That was a great take, definitely the truth, to many dyno queens out there and not enough real car guys that know and understand what it is all about. The bottom line is that the car gives you the drivablity and power that you want. My problem is that I don't yet know what that is. So guys say they don't want anymore than 500rwhp and others have 700 and want to make 850rwhp. I know that street tires can only hold so much but I may plan to autocross the car or hit the strip now and again with some Nittos or Hoosiers. So I don't know exactly what it is I am looking for, but the reason that I started this thread is because I want to know what this LS2 can truly handle.
I have been on the LS2 FI forum from the day it started and I have yet to read about anyone blowing a stock LS2 motor.. NO ONE. I was on the c5 FI and constantly read about guys blowing stock motors with 7 psi. But for some reason this LS2 seem to be ALMOST bullet proof, and it defies all logic because there are very few difference between the 2 motors.
Guys are pushing well into the 700s and still not having problems!!! What gives... I don't understand it. So what do you guys think, what is the ideal rwhp for a street/sometimes track car? Any input would be great.
I would say that 750 RWHP to 800 RWHP and some decent DRs are more than enough power without getting to be "too much" for traction and the rear end parts for road racing. Your power to weight ratio should be close to a "real" road racing car kind of at that point.
You have to realize that gears 1-2-3-4 are going to require you to "squeeze" the throttle, rather than "mash it". By "squeezing" anyway you gauge the limits of your traction that much better.
At those power levels on the street, you just need to realize that if you are driving the car that "throttle positioning/sensitivity" is going to be the biggest factor everytime you take the vehicle out and drive it.
Throttle position is even probably going to be more important than practically turning the steering wheel in a turn, and of course it also is going to be very important in a straight line in terms of rear end "yaw" control. You just have to learn to be very cautious of your foot control on the throttle, otherwise you will likely be involved in an accident. I can't stress throttle positioning and sensitivity enough at those power levels, obviously!!!!
The other thing about it is that you need to learn is that even though you think you mastered the throttle after a while, that you will never master it completely and if you do and get "cocky" and "carefree", your baby will make you "pay for it" sooner or later. BOOM!!!!!
750 RWHP - 800 RWHP is too much for a stock bottom end. Go forged and then if you have an automatic tranny go turbo, or if you have a manual tranny go centrifugal blower. That's my opinion!!!!
I hate to bring it up,
but I think Brabus's stock LS2 gave up the ghost.
No big deal though.
He forged the motor and now he will be ablt to make as much power as he wants.
The LS2 is no stronger than the LS1 and LS6 for all I know.
Since it came in my C6,
I hope it is.
Just my opinion, but I think if Brabus wanted to talk about his car on this thread he would have done it. Not sure if you know all of what you are talking about but I think Brabus had another issue besides just forced induction. Maybe you know more about it than me but I don't think we can say that his car applies here.
I know Richard and have talked with him several times on the forum, and I am 99% sure that he swapped out motors because he was putting in twins and planing to make some crazy power, but his engine never blew with the procharger as far as I know.
Just my opinion, but I think if Brabus wanted to talk about his car on this thread he would have done it. Not sure if you know all of what you are talking about but I think Brabus had another issue besides just forced induction. Maybe you know more about it than me but I don't think we can say that his car applies here.
Dude-
I'm not starting any crap.
I didn't say anything negative about anyone.
I'm only stating there is nothing special about the LS2 that makes is stronger for FI and failures have/will occur.
However,
the LS2/LS2 cars are the way to go for FI right now.
Brabus is the man.
He has already ran TWO FI systems on his C6.
The engine failure was publicly discussed already.
Who cares?
He forged the motor and is making more power now.
Location: Valencia Calif....., 585 RWHP and 567 TQ!!
Quote:
Originally Posted by GPJ
Just my opinion, but I think if Brabus wanted to talk about his car on this thread he would have done it. Not sure if you know all of what you are talking about but I think Brabus had another issue besides just forced induction. Maybe you know more about it than me but I don't think we can say that his car applies here.
Dude-
I'm not starting any crap.
I didn't say anything negative about anyone.
I'm only stating there is nothing special about the LS2 that makes is stronger for FI and failures have/will occur.
However,
the LS2/LS2 cars are the way to go for FI right now.
Brabus is the man.
He has already ran TWO FI systems on his C6.
The engine failure was publicly discussed already.
Who cares?
He forged the motor and is making more power now.
I think the topic of the thread was how much can you throw at a stock LS2 engine with out blowing it up, I don't believe Brabus swapped an engine because he was building so much horsepower it blew up? I won't speak on behalf of him though. I just thought it was un cool to talk about his car giving up the ghost. Just my opinion.
I guess I must have missed that thread, when I talked with Richard 4-5 months ago I thought he wanted to go TT and was swapping out motors while in the process. Does anyone know how much power he was making with the LS2 engine blew?
I do how ever totally disagree with the statement the LS2's are no different from the LS1's. I knew several vette owners with LS1's making less than 550rwhp losing engines whereas I haven't heard of anyone with an LS2 losing and engine under 650rwhp, not to say it has not happened but I have not heard of it yet.
[quote=vertC6;1558687747]I guess I must have missed that thread, when I talked with Richard 4-5 months ago I thought he wanted to go TT and was swapping out motors while in the process. Does anyone know how much power he was making with the LS2 engine blew?
I do how ever totally disagree with the statement the LS2's are no different from the LS1's. I knew several vette owners with LS1's making less than 550rwhp losing engines whereas I haven't heard of anyone with an LS2 losing and engine under 650rwhp, not to say it has not happened but I have not heard of it yet.[/QUOTE
That was my point to 1k, I don't think that too much HP blowing up his motor had anything to do with his decision to swap motors. I talked to the guys at LAPD a while back and there were other circumstances that lead him to beef up the motor. I took 1k's comments as a shot in the dark at best. Has nothing to do with this thread.
I just PM'd Brabus a link to this thread so he can speak for himself.
I'm tired of the #%$&@#$'s that start $hit with me out of the blue just because they have a problem with me.
Take your childish crap to PM, kitty-cats.
I have no problem with you. I just am not sure that scenario fits this thread and I am still not sure what your point was. I didn't see what your comment about Brabus added to this thread. If Brabus chimes in and says he blew his motor up because of pushing the HP to the limit and he likes you spreading it accross the forum then I will shut up, until then I don't think its your place to talk about it and I don't think that was the case anyhow. If I am wrong them I will apologize for wasting everybodies time. If you are wrong then drop it.
Corvette Store
600rwhp + guys please step inside
Thanks
