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-   S2000 & NSX (http://www.azht.net/forum/forumdisplay.php?f=89)
-   -   Ls7 + nsx = (http://www.azht.net/forum/showthread.php?t=127500)

theAngryMarmot 06-13-2010 10:33 PM


Fix.it.again.Tony 06-14-2010 12:46 AM

Paul, we gotta talk mopar sometime. My first car was a 73 challenger :)

bbonds 06-14-2010 06:05 AM

It's not really going to be a NSX anymore after this guy is finished, he completely chopped the shit out of the chasis, 2nd there are a ton of aftermarket eng. mods for the NSX eng. take a look at the all the turbo and supercharger setups that are available. Like I said before the NSX was not just built for alot of HP's it was built for the handling, if you have ever driven one on the race track you would understand that. I can appreciate your expertise in this subject but you have vary little experience with the Honda/Acura Engineering and understanding of what and why they build the cars that they do. I know this is black and white for most of us, some love the domestic's and others do not, My point was when this LS7 project is finished it will not be much if at all a NSX anymore the chasis is chopped up and well as the front and rear sub frames. By the way I have looked through the cars that you have built and all I can say is wow you are the man when it comes to the domestics, keep up the good work I mean no disrespect in this thread to you or anybody else.

theAngryMarmot 06-14-2010 10:50 AM

Slow your roll kiddo lol.

First and foremost, I have more track experience than 90 percent of the people on here. I don't play "kid racer" or "canyon king" like alot of people. I can walk my talk, even though I rarely talk it. I have been competitively driving since I was 16. I have owned cars since I was 14. I have been winning autocrosses and time trails since I was 17. So I have a ton of track experience.I am a quiet guy, I dont care if people know what I have done. The photos I post in my thread are only the tip of the iceberg, and I have never posted them anywhere else. Most are not even on my personal website.

Second, I may post alot of muscle cars stuff, but that is just because I have not gotten to all the Italian, and Japanese stuff yet. I have hundreds of thousands of build pics. I have built Hondas, quite a few. I have built miatas (and owned 6,) I have ran/built Z06s, so I know all about handling. And I have built/prepped/and "dialed in" about every type of street car based track car you can shake a stick at. I understand Honda's engineering, and I understand the direction they took with the NSX. I know more about working suspension, setup, and handling than most people. I have studied, leaned, been taught, and applied my working knowledge to a variety of sucessful track cars, both vintage and newer. I am not bragging by any means, however assuming someone who "is the man at domestics" is not "the man" when it comes to import cars, is a flawed logic. The same engineering that applies to setting up something like a vintage trans-am car applies to a NSX, it applies to a civic, it applies to a miata. The theories, physics, etc are all the same, just the way it is implemented is different.

High Horsepower and Handling can co-exist. Especially when you combine a chassis that can handle power (like the NSX) with an engine that may be larger, but weights the same, or less. I know a guy who used to have a NSX race car, he ran it in about 6 events a year, and he won quite a few "Open Track Challenges" with the car. His biggest complaint?

The engine. He was constantly fighting with getting HP out of it that was reliable. So yes, they make turbos/superchargers. He ran a supercharger, and all the supporting mods. But unfortunately the money my friend spent to get his power, which was alot less than 505hp, BTW, he could have done this swap, and had no problems.

The problem with an NSX v6 making 500hp is that it requires forced induction. When you add forced induction, you add heat, and complexity, and the number of factors that can go wrong, especially on a race track, is increased. Manifolds can crack, intercoolers can get heat soaked, radiators cannot keep up, etc etc etc. Look at the Redline Time attack series. How many NSXs do you see in there? A couple. The reason why? Because building a track car out of a NSX is not cheap. Getting power out of the C32b, is not cheap. A engine swap is the perfect answer.

Swapping in a motor that makes 500hp reliably, and in stock form, is the ultimate answer. It is even better when the motor weighs the same, or less, than the stock motor. This way you do not upset the balance of the car, or the center of gravity if the engine does not sit higher.

If you look at the build pictures, you will notice a few things:

A. The engine does not appear to be higher than the stock one, so the center of gravity is the same. The LS7 also is of the same weight as the C32b, so the weight distro will be the same. If it is any different because of the transmission is mounted further back, due to the LS7 being mounted longitudinal, it will not be enough to disturb the balance, since the Porsche tranny is not that heavy.

B. Yes, he is modifying the suspension a bit. However I do not get where you come to the conclusion that he is destroying the car's handling. Judging by the looks of the suspension work he has done, as well as the chassis work, it is my expert opinion this guy knows how to make a car handle. Go to the suspension page and look at the fabbed parts, and the layout. It is well designed so far. OEM is not always the best my friend, even on a car like the NSX things are built to a budget, or a spec. When you can exceed the budget, and up the spec, then you need to do the same with the suspension, and this man is doing it. OEM engineering is not the law. All "stock" suspensions can be improved.

I undestand the sentiment about swapping a GM motor into an NSX, I used to cringe when I seen someone do the same with a RX-7, or a Porsche. But you have too look beyond that and look at the pure technical, and engineering side of the swap. IF this guy was just going nuts with a sawzall, then I would agree with you. But since this guy blatantly knows what he is doing, you are wrong.

This is not a "Billy bob" swap, obviously.This car is the NSX that Honda Should have made. a mid engine V8 NSX.

" I mean no disrespect in this thread to you or anybody else"

No worries dude.

bbonds 06-14-2010 03:14 PM

cool man, I will keep my comments to myself I am an Acura Master Tech in Denver I would say Im a die hard import fan after years of working on them so I understand the engineering behind the Engine, Suspension, and electronics. I can appreciate the good information you have provided in this topic, I don't know if I will ever change my mind though:wave1:

theAngryMarmot 06-14-2010 03:33 PM

Haha no worries. I am lucky enough to be on both sides, import/domestic/euro all the time, so I have no brand loyalties. Opinions are what makes the car world go round.

bbonds 06-14-2010 03:41 PM

You should get on NSX prime, there are a hell of alot more NSX builds on there, if for anything it's cool to see what crazy ass ideas some of these guys come up with.

theAngryMarmot 06-14-2010 05:15 PM

I will check it out. I nearly bought a NSX many years ago that was in a fenderbender. I regret not doing it, but who knows what it would have ended up with engine/powertrain wise with me as the owner lol.

Fix.it.again.Tony 06-14-2010 09:07 PM

PAUL, Mopars. NAOW

theAngryMarmot 06-15-2010 12:34 AM

Haha. I do like the mopars. I will have to post some mopar pixs, i done a few restos on some hemi and 440 cars

Fix.it.again.Tony 06-15-2010 12:51 AM

my first car was a 73 challenger, did a full resto, 340 hp motor, added a vinyl top and did a top banana yellow

my dad has 2 challengers at his house now too :)

theAngryMarmot 06-15-2010 02:27 PM

I love me some challengers. The E body cars were constructed like crap (interior build was horrible) but with the Hemi or a 440 they were awesome. At least the powertrains were fantastic. At least you were usually going fast enough not to notice what fell off. I am also a huge fan of the T/A and AAR challenger/cudas I have restored/worked on 5 or 6. the 6pack/340 combo was a great one, and the side exhaust sounded great.

Fix.it.again.Tony 06-15-2010 08:45 PM

My dad has a 70 convertible all original numbers matching 340 car
and then he has a 440 6 pack RT/SE 70 challenger


he's the president of the Virginia Mopar club so I am always seeing pictures from his shows haha

I like the b-bodies, stuffing a 440 into a little dart was madness

theAngryMarmot 06-16-2010 11:51 AM

the B bodies (charger, roadrunner GTX, etc) were great, I restored a 69 roadrunner hemi,and a few others. I have a ton of pics of an A12 package "Lift off" hood roadrunner that was awesome. I used to upkeep it. They made two 1970 hemi coronet convertibles, they were pretty awesome. I dont some work on of them, really ugly, but it grew on me.

the A body cars were neat, I know a guy who has a clean, papered, documented M-Code 440 dart now. And I have driven a real Mr. Norms 440 Dart that is owned by a collector friend, the car was featured on Muscle Car TV a few years ago (Colin is their fav source for muscle cars lol) A big block A-body was pretty crazy, and they didnt handle all that bad either.

MOD 06-17-2010 01:18 PM

You guys realize that this car is local right?

bbonds 06-18-2010 02:34 PM

scottsdale..

*inFamous* 06-18-2010 03:19 PM

You realize ya'll aren't talking bout NSX's n e more!

GTFO

jk i lub u all!

I am happy to have my 6 cylinder POS back :)

bbonds 06-22-2010 02:21 PM

Ya thats what I was thinking:icon_eek:

*inFamous* 06-22-2010 03:04 PM

My lil black underpowered crappy car got new rubber today though !YUM!


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