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Old 05-16-2009, 05:59 PM   #52
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A good pro dyno Tune should be around $300-400
Yeah, I would agree with the price on a good tune including dyno time.

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EDIT #2: and u can bolt it off when its time for warranty work
Nice. I take it you are one of those guys who feels like the manufacturer should pay for any damages that occur as a result of modifications you made following delivery. Guess what, while you might be saving yourself a few bucks, you're costing us all in the long run. That repair is not free and the manufacturer just passes the cost on in the way of MSRP on new cars. Do us a favor, man up and take responsibility for the actions you take with your new car instead of perpetrating fraud on the dealer/manufacturer.

You do know that having modifications on your car does not void your entire warranty, right? Even if you had a ProCharger in place, unless you were taking the car in for warranty work that might have been caused by the additional load put on the drivetrain, then you have nothing to worry about anyway.

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still doesnt even come close to the 2010 rustang gt500
I agree.

Last edited by garagelogic; 05-16-2009 at 06:12 PM.
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Old 05-16-2009, 06:00 PM   #53
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Damn that sounded AWESOME!!!!
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Old 05-16-2009, 06:04 PM   #54
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Damn that sounded AWESOME!!!!
Really? I thought towards the end it sounded ok but wtf was with the high pitched whistling noise? Not to mention the fact that the engine was rocking so much it looked like it was gonna fall out...
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Old 05-16-2009, 06:58 PM   #55
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And FYI the S/C is not polished. It is a new "Polished Look" powder coating.
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Old 05-16-2009, 06:59 PM   #56
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I will guess that the 6-speed will put down more power to the rear wheels compared to the auto. So far we have only tested the 6-speed. However, I do know that on the 2009 Cadillac CTS-V, the 6-speed puts down about 20 rw hp more than the auto. Also, we do all of our dyno pulls on a cold motor. That way all of our pulls are compared under the same conditions. Other shops may post their numbers on heat-soaked motors for which heat-soak can account for a 20-30 rw hp difference.
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Old 05-16-2009, 07:26 PM   #57
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Polyurethane mounts.
How much are we talking here, any idea for parts plus install?
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Old 05-16-2009, 08:25 PM   #58
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I will guess that the 6-speed will put down more power to the rear wheels compared to the auto. So far we have only tested the 6-speed. However, I do know that on the 2009 Cadillac CTS-V, the 6-speed puts down about 20 rw hp more than the auto. Also, we do all of our dyno pulls on a cold motor. That way all of our pulls are compared under the same conditions. Other shops may post their numbers on heat-soaked motors for which heat-soak can account for a 20-30 rw hp difference.
how long do you let the motor warm up before making a run?

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How much are we talking here, any idea for parts plus install?

probably ~$60.00 or so for parts. dont know yet. but for just about every other GM v-8 they run around 30 bucks or so each. as for install... a case of beer, a pair of jack stands and chocks, a good set of tools and a jack, plus a few hours to swap them out.

a shop would probably charge around $150-400.00 to do it. and thats exaggerated on both ends as I do most of my work myself.
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Old 05-16-2009, 10:03 PM   #59
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Really? I thought towards the end it sounded ok but wtf was with the high pitched whistling noise? Not to mention the fact that the engine was rocking so much it looked like it was gonna fall out...
Seriously? Did you miss the part where they mentioned super charged? This was also an open hood vid with the cam on the motor so your hearing the motor, not the exhaust, so on a blown car you mostly hear the blower.

As stated before the car comes with some comfortable squishy rubber bushings. Serious power adders are going to going to make that sucker move. If that thing wasn't rocking I'd be worried. Poly mounts will be available soon I'm sure, 8 cyl mounts are usually 6 bolts, jack stand and a couple hours (if you don't know what your doing, much less if you do).

Thats still kind of a personal preference kind of thing though I doubt some would want the vibration from the harder mounts. If you do keep the motor from moving you will feel it in the rest of the car. As some might not like the whine of a blower, and most people couldn't even handle driving a car with that power. Lets face it this is a car for a selective market and it is pretty modified and very powerful.

For a first round, "prototype" kind of car thats some impressive numbers. Can't wait to see a full blown car with a body kit and everything. Personally I'm very excited to see Hennessy stepping in and giving the Camaro owners a copo option.

Like others interested to see how the bottom end and powertrain hold up to these kind of mods. Also what kind of powertain add ons will become standard to hold up to that kind of power in the car.
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Old 05-16-2009, 10:18 PM   #60
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dyno test hennessy camaro SS

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Old 05-16-2009, 11:11 PM   #61
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I have one question, why is the engine moving around so much? Are the motor mounts loose or something? That doesn't look normal to me.
600 crank HP isn't exactly normal
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Old 05-17-2009, 12:45 AM   #62
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So which is it? I have seen on this forum in another thread (forgot which one) the stock RWHP of the LS3 listed as ~ 348. Here they say 376HP or so. That's a big difference. The other thread said 150 + HP increase resulted in about 480 RWHP @ 6 psi. Who am I to believe?
348 is a low number, 376 is a little high.. but all cars will perform different considering the dynos, weather, miles on car...etc.

Are you sure the 480rwhp thing wasnt about the guy from magnachargers G8 GT?
or maybe your thinking of just the supercharger with no CAI, exhaust, tune?
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Old 05-17-2009, 12:53 AM   #63
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Polyurethane mounts.

.
this is no fair spike i beat you to it, but they believe you more than me lol


j/k i don't care as long as people get the info they are looking for right lol
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Old 05-17-2009, 01:14 AM   #64
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well one thing is for sure the motor has way to much play so they better make an engine damper.
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Old 05-17-2009, 04:16 AM   #65
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TURBO PLZ! not that i WOULD just want to know
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Old 05-17-2009, 09:14 AM   #66
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Originally Posted by Hennessey Performance View Post
I will guess that the 6-speed will put down more power to the rear wheels compared to the auto. So far we have only tested the 6-speed. However, I do know that on the 2009 Cadillac CTS-V, the 6-speed puts down about 20 rw hp more than the auto. Also, we do all of our dyno pulls on a cold motor. That way all of our pulls are compared under the same conditions. Other shops may post their numbers on heat-soaked motors for which heat-soak can account for a 20-30 rw hp difference.
Are you guys going to be willing to push any more boost on pump gas or are you leaving your kit @ 6psi for warranty/dependability reasons?
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Old 05-17-2009, 09:48 AM   #67
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Really? I thought towards the end it sounded ok but wtf was with the high pitched whistling noise? Not to mention the fact that the engine was rocking so much it looked like it was gonna fall out...
You should keep your car stock. Srsly.
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Old 05-17-2009, 02:59 PM   #68
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this is no fair spike i beat you to it, but they believe you more than me lol


j/k i don't care as long as people get the info they are looking for right lol

when I went thru the thread I started multiquoting posts. I saw that you had answered, just too lazy to uncheck the post.

but you are right. as long as they get the right info, it doesnt matter who posts it.... well, sometimes it matters.

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You should keep your car stock. Srsly.

at first I but then I
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