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TOP SPEED
What is the fastest you have ever gone in your Vette?
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Im 22 andhad lost my license for a year before I got this car so I dont drive excessively fast very often. The fastest that I have gone is about 115 on the highway and it was very hard to lay off the gas pedal.
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An indicated 192 for just a brief instant.
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Wow, Lee I will be surprised if anyone can top that !What are the specifics of you Vette and does it have any mods?
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Dude, look in his Signature. It tells it all right there.
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ORIGINAL: Drdino52 Wow, Lee I will be surprised if anyone can top that !What are the specifics of you Vette and does it have any mods? |
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Only a little over 120. Wasn't able to go any faster, safely that is.
It was pretty cool though, after about 95 it seemed like everything got real quiet, and she was running extremely smooth... |
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I don't own a Vette, but when I still had the 3.42 gears in the back before I upgraded them to the 3.73's, I hit 6200 RPM in 5th. By a gear calculater (since my speedo only goes up to 150 mph) it was 187. I don'tknow if it was really that fast, but I bet it was at least over 180.
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What car were you driving if not a vette?
When I calculate 5th at 6500 in a C5 with standard size tires and a 3.73, I get right at 170mph (a stock engine -- 300 RWHP -- would pull this if modified/reprogrammed to rev to 6500 instead of 6250). An M6 F-body (Camaro, Firebird) with standard size tires and 3.73 would doroughly the same mph at 6500 (this speed would require modifications to about 350 RWHP). A vette with a 3.73 would top out in 6th, if it could pull 6500 RPM, at about 220, at which speed it would need right around 600 RWHP. 196 mph with a 3.73 and standard size tires would be 5800 rpm in 6th with around 430-440 RWHP. |
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Again, this was done with 3.42 gears in my M6 Z28 (info in sig). I was at 6200 RPM in 5th gear which by a gear calculator would put me at 196. I don't know if it was really that fast or not since the speedo was buried. I know it was well over 180 though. 6th gear really didn't pull too much with the 3.42's, at that speed I put it in 6th and it barely would hold the speed, 5th gear was the only one that still pulled.
I will have to try it again sometime now that I have the 3.73's. Perhaps 6th gear will pull up top now. |
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My calculationscompute that a Camarowith 3.42 isdoing 170-177 depending on tire pressures, etc., in 5th at 6200.It might be off by a mile or two but not that much.
But in this case I don't have to do the calcuations: I have a Z28 M6,too (see signature) andmine does a verified (checked by track radar gun) 168 mph at an indicated 6000 on a calibrated (shiop checked and adjusted) tach. 6200/6000 x 168 = 172. You say you car as 600 RWHP which I calculate might be enough to push it to 196, regardless,it would have to rev to around 6800 with a 3.42 and standard 5th gear and regular size rear tires to reach 196. By the way, the rear end of an F-body gets real light and drifty over about 175, and without a lot of aero work including some underbody flow smoothing, they get just about unstable about 185-190, so be carefuly trying it. |
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ORIGINAL: Lee Willis What car were you driving if not a vette? When I calculate 5th at 6500 in a C5 with standard size tires and a 3.73, I get right at 170mph (a stock engine -- 300 RWHP -- would pull this if modified/reprogrammed to rev to 6500 instead of 6250). An M6 F-body (Camaro, Firebird) with standard size tires and 3.73 would doroughly the same mph at 6500 (this speed would require modifications to about 350 RWHP). A vette with a 3.73 would top out in 6th, if it could pull 6500 RPM, at about 220, at which speed it would need right around 600 RWHP. 196 mph with a 3.73 and standard size tires would be 5800 rpm in 6th with around 430-440 RWHP. BTW, my car has a large rear spoiler that pushes my rear down at 120+MPH. It has felt just as stable at whatever speed I was traveling when topped out, as it is at 100 MPH. There was another guy with my same spoiler in his supercharged M6 who did 212 in 5th gear in his 93 Z28 who was in GMHTP magazine a few years back. [IMG]local://upfiles/4262/CBDE7EC1D864434A9E3F2157CC5D717E.jpg[/IMG] |
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In a Vette i hit 150 in my buddy's brothers 06 Z06, but as for my car 165 once....the Fbody likes to float LOL
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Here's the one spec'd to F-body specific. http://www.f-body.org/gears/ According to it, I was doing 187.
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"I fail to see the validity in your calculations"
Really? Wow. They work out perfectly to me. I gave estimates of 170 earlier and 177 depending on tire size, and a difference in RPM (6500 vs. 6200 or 5%), and 3.42 to 3.73 is only 8.4% difference in ratio: it works out perfectly to me. But whatever you say. You have the fastest car in the world . . . I get really tired of this BS everyday . . . |
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Right on, I'm with you Lee. If it ain't some Full Leather Integra ricer it's something.......SSDD, right?
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Check your math. Look in a gear calculator that has inputs for the transmission ratiolike the one I posted. Call me what you want, your calculations are off.
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Checked my math again.
Checked the gear calculator, too. . . . I entered all the data for my 'vette: diameter of the rear tires, rear end ratio, gear ratios, etc., and got exactly the speeds in gears at 6500 that I use as the shift points (the engine will rev to 7K but I never go there). It seems to be right on . . . Then I put in the results of my Camaro ('98 Z28, M6, 3.42 rear axle)and again got data I know is true because I verified it at the track. It gave me a top speed of justunder 170 mphin 5th gear (at 6500), exactly as I had calculated and have experienced. I tried various tires since tire size varies -- the stock Z28 245/50-16, the optional Ss size,the 315 drag radials on 18 inch Z06 wheels we now run -- none mattered enough to change the speed more than 2 mph. Finally, I used it to confirm whatI already know: it told me a Camaro with a 3.42 would have to rev to 7500 in 5th to hit 196 mph. So I'm right, and with the right input data the gear calculator is right: don't know where that other data came from but I'm not going to argue about it any more. |
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Check out http://www.f-body.org/gears/(the same link as I posted above). Once open, you can pull down your year F-body, and it will automatically give you the TRANSMISSION ratio's. I believe this may be the reason our numbers are not matching up. The ones you are using are a basic guess using tire width, and gear ratio for the rear. This one uses all that info as well, but also inputs the transmission ratio's to give you exactly what the speed is. For examply if you look up my year and model Z (95 M6) it will put in the correct ratios of everything. That equals out to be 187 @6200 RPM in 5th for my car. This also would put 196 MPH, at 6500 RPM, not 7500 RPM.
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No pal, I am using the correct ratios, ones in the manufacturer's specs, ones I have verified at the track.They are correct.
I don't know what your problem is or where you get the info, but you are just full of it and kidding yourself: a 3.42 F-body will not run 196 at anything realistic for an LS engine RPM. If you want to believe your own fantasies and BS, fine, but take them somewhere else. |
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So if you have the fastest Camaro ever built, then why are you on a CORVETTE site and not out killing yourself doing 196 at 6500 on a highway. Dude, seriously, stop giving F-body owners bad names.
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get 'im Lee.
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[sm=smiley36.gif] You are seriously cracking me up! Yes, 3.42's are the correct gear ratio, but without the ratio's of each gear in the transmission, you will never have an exact MPH. If you would have taken 1 minute of your time to stop bashing the Camaro guy here, and check the site I posted, you would see what I am talking about.
If you have checked the GM transmission gear ratio for a 95 M6 for 5th gear, you would have seen that it sits at .74 Use that in with the stock tire size, the 3.42 gears, at 6200 RPM and you will find that it is the speed I claim it is. Are you getting a different ratio for 5th gear? This is the one the site posts, and is in the GM manual. |
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Let's see..............yup, just as I thought...........Lee's got it!
So Lee, how was your weekend? I saw my G-daughter for the first time! Too darn cute!!!;) |
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I think that gear calculator is a bit off.
I went to the f-body website and tried the gear calculator for my car (94 on LT1 F-body, modded engine but stock M6 drivetrain) and got a 172 mph top speed at the stock redline of 5700, and a 186 mph top speed at 6200, not over 190 like claimed. That is too high: I know my car tops out at its Lingenfelter redline (6000)at just over 165, because at an even 3000 RPM in 5th it runs exactly 83 mph. both speedo and tach have been calibrated at the shop and are within 1%. I checked a number of the other cars that you can pick in the gear calculator selector, and I think there are many small errors. I noticed 3.42 gear ratios are sometimes listed as 3.45, and I know that 4th gear in many of the M6s (including mine) is not exactly 1.00 to 1 as it seems to be in every car there. In many M6s its a bit higher - 1.08, 1.15 in some, etc. Regardless, the results are not correct for my car or the LT1 vette, I know that, overestimated speeds in gears a bit. Just my two cents . . . By the way Lee Willis, I read you comments about Camaro owners on another thread here. Hope you don't count all Camaro owners in that "fanatic" category. some of us are good guys!!! |
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ORIGINAL: NY Man I think that gear calculator is a bit off. I went to the f-body website and tried the gear calculator for my car (94 on LT1 F-body, modded engine but stock M6 drivetrain) and got a 172 mph top speed at the stock redline of 5700, and a 186 mph top speed at 6200, not over 190 like claimed. That is too high: I know my car tops out at its Lingenfelter redline (6000)at just over 165, because at an even 3000 RPM in 5th it runs exactly 83 mph. both speedo and tach have been calibrated at the shop and are within 1%. I checked a number of the other cars that you can pick in the gear calculator selector, and I think there are many small errors. I noticed 3.42 gear ratios are sometimes listed as 3.45, and I know that 4th gear in many of the M6s (including mine) is not exactly 1.00 to 1 as it seems to be in every car there. In many M6s its a bit higher - 1.08, 1.15 in some, etc. Regardless, the results are not correct for my car or the LT1 vette, I know that, overestimated speeds in gears a bit. Just my two cents . . . By the way Lee Willis, I read you comments about Camaro owners on another thread here. Hope you don't count all Camaro owners in that "fanatic" category. some of us are good guys!!! |
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i brought my car today and we hit 150 on the PA Turnpike on the way back to jersey.
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Good way to get a ticket. PA Turnpike is pretty heavily patroled on weekends.
What car did you get? |
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You guys have alot more courage then me....Please do be careful out there...Id hate to see a forum member die because of something that could be avoided.[8D]
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I brought a 2001 c5. Basically stock with only a corsa exhaust.
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