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Author Topic: How fast is 5th gear @ 4500 RPM?  (Read 1343 times)
TSXtraitorboy
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #30 on: January 17, 2007, 03:21:41 AM »

Governors are weak.

Very true. Not that I will ever need to go that fast (I said need not wantGrin) I will probably modify the TSX once the warranty is expired. She will be fast(er) someday  Grin.
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2000 Sebring LXi (SOLD)
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Shiano
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #31 on: January 17, 2007, 05:39:58 AM »

ha! i had mine @135...it was night..got scared...eased off the gas. anyway, umm shiano...here's how the mileage thing goes...the higher ur rpms, the lower ur mileage....due to wind resistance...mileage at 60 differs significantly from mileage at 100...if we remove wind resistance..the only thing affecting mileage would be rpms... Wink

resistance isn't the only thing involved. how the transmission is geared is also a factor. under NORMAL circumstances your right. it's kinda like a torque curve only this one after 60 is upside down until you reach 100. the two points are on the same line with each other when it comes to mileage

MPG
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       60              70           80         90          100     MPH



i know that 80 is about 3200 RPM's. me and my best friend were talking about that over the phone one night. we both looked down and were doing 80 but his was 4000 RPM's.
He drives a Mazda MX6 LS (V6 2.5L) 5spd.
it's all about how they are geared. wind has a more dramatic effect on trucks and Scion Xb's than our cars. ours are more aerodynamically friendly.












« Last Edit: January 17, 2007, 05:42:01 AM by Shiano » Logged

JusBringIt
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #32 on: January 24, 2007, 02:27:47 AM »

different cars go different speeds at different rpms. my dad's galant proved that to me. thanks for the info. i wasnt comparing different models...just the sebring/avenger. i remember going to visist someone....drove really fast all the way...and trust me i was getting a LOT less mileage...my quarter tank was down to the last line within 25-35 miles.
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Shiano
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #33 on: January 24, 2007, 07:00:28 AM »

yeah, I told robert that I was doing 3000 RPMs at 80 and he was like "Bro, I would LOVE to be doing 3000 at 80" i asked him how many was 80 and he told me. And that was in 5TH gear. My A604 got better mileage than his 5spd. go fig.
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JusBringIt
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #34 on: January 24, 2007, 06:49:36 PM »

yup Cool
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Ivan
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #35 on: January 27, 2007, 11:11:39 PM »

yeah bringing the MPG factor, when I went to Florida from Virginia (about 1300miles) i got about 490miles/tank  where i usually get 380miles/tank driving on daily basis  (i got 4cyl and manual)

and i've gotten about to 110mph on my car but didnt want to go faster and risk it, especially being in a different state like Georgia Tongue

I think i need to lower my car little bit because when i get to about 80mph my car starts to shake little bit and steering wheel gets annoying after a while with that constant shake.  But sometimes when i get to like 90mph car feels smooth.  Wiiiiiierd  Tongue

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Shiano
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #36 on: January 28, 2007, 04:49:08 AM »

have your tires rotated and balanced first Ivan. and an alignment wouldn't hurt.
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Chris Green
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #37 on: January 28, 2007, 09:38:54 AM »

chris, replace your suspension before you do anything above 95.

LOL    I did that in my old avenger.  96 V6 auto with Eibach Pro-kit springs + KYB-AGX struts set 3/4 front 6/8 rear

The car itself felt suprisingly stable @ 137 MPH just the fact that I could go that fast was scary as hell.  Should have been more specific.

Chris
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Ivan
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #38 on: January 29, 2007, 02:31:43 AM »

have your tires rotated and balanced first Ivan. and an alignment wouldn't hurt.

i dont think its alignment problem, i think its just the fact that my car sits on stock hight with stock 14" wheels with hub caps....  Lips sealed

but no worries, i just purchased new wheels





Now i need to get them shipped to me... gonna cost like 250$ probbly gonna ship em next month or so
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JusBringIt
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #39 on: January 29, 2007, 03:11:23 AM »

o those are nice man. very nice. i had the same issue...and i had the stock 16's...i havent done that in a while in my car....
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Ivan
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #40 on: February 04, 2007, 04:30:53 AM »

well the wheels should be at my door steps on Wednesday  Grin Grin

spend 204$ on shipment, blah

and i am not gonna put them on for good untill spring season, because Virginia still doesn't have snow... but it will hit us soon and the tire tred is soft and for summer use only.  will have to store em in the garage.

I will put them on for some picture, for some comparrison: before and after.

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eurocobra
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #41 on: January 06, 2008, 07:20:12 PM »

High speed driving.....I love it. I will let you know soon where these cars top out. Sorry to bring up an old thread. By the way i made a video back in 2003 driving my cobra on the autobahn with 2 CARRERA GTs. I have something for the supercars now. Its actully funny to see some of the facial expressions.

I will see what the avenger can do. I normall stay under 125 MPH. My old video can be found on youtube or google: Google "Cobra, carrera, autobahn".

Keep in mind that was in my old 99 cobra - N/A. Blown and pullied with my 2003 and a few other tricks.
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Anson
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #42 on: January 06, 2008, 07:45:42 PM »

peak effeciency is (ussually) ~2500 rpm, so no matter what gear 2500 is going to be where you want the needle to sit. and alot of TOTAL mpg is HOW you get to the speed. if you floor it to top gear and then sit it at 2500 your total MPG is gonna suck, if you slowly accellerate to top gear your overall mileage will be better. for example i drove the same speed for two gas cycles, but i accellerated differntly one week balls to the wall up to 65(fun as hell btw) got about 24 mpg, accellerated slowly the next week(zzzzzzzz) and i got nearly 30 mpg, yes wind comes into play so 1st gear at 2500 gets better MPGs than 5th gear at 2500, but thats a slow way to get where you need to go.
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eurocobra
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #43 on: January 06, 2008, 08:14:17 PM »

I have a few no speed limit autobahns here. The traffic flow allows for high speed driving. I recently got 508 miles from one tank. That was a lot of cruising at 75mph. I will just do a 3 mile sprint or so.
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Anson
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Re: How fast is 5th gear @ 4500 RPM?
« Reply #44 on: January 06, 2008, 09:32:56 PM »

I have a few no speed limit autobahns here. The traffic flow allows for high speed driving. I recently got 508 miles from one tank. That was a lot of cruising at 75mph. I will just do a 3 mile sprint or so.

oh how we americans envy you and your autobahn...Sad
i want to go fast and not be worrying about getting a speeding ticket. 75 is about the FASTEST we can go around here, and from what i hear you go 75 on the autobahn you're one of the slow people. ah...autobahn, someday ill fly to germany and go 160 and wave at the cop as he does nothing. well ill let the passenger wave, ill drive. last thing i want to do at 160 miles an hour is take my hands off the wheel.
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