4.10 = Slow Top End?

GTSilver · August 29th, 2006, 05:00 PM

if i go with 4.10 will that cut my top speed short?

03 R Code · August 29th, 2006, 05:04 PM

Is your car a 5 speed or auto. I have a 5 speed with 4:30's and I have pushed my car above 145 with plenty of room to go.

orangeRcode · August 29th, 2006, 05:08 PM

Originally Posted by 03 R Code

Is your car a 5 speed or auto. I have a 5 speed with 4:30's and I have pushed my car above 145 with plenty of room to go.

True, but we have 4V engines that have more rpms to work with. I have 4.10s in mine and love them. That being said, 4.10s are not too much gear for a 5 speed GT IMHO. There is an rpm calculator which will tell you how much you will be turning at speed based upon tranny and gear selection. I will have to look and see if I can locate it.

GTSilver · August 29th, 2006, 05:10 PM

yea i've got an auto so it might be a little different from ya'lls

orangeRcode · August 29th, 2006, 05:14 PM

found a couple with a quick google search: http://www.car-videos.net/tools/speedrpm.asp
http://www.izook.com/gearcalc.htm

ChrisJ · August 29th, 2006, 05:24 PM

I would say go with the 4.10's you prolly wont even notice the difference in the top end that much...

raceruler03 · August 29th, 2006, 06:23 PM

I don't know with my 373s I can still do over 150 so it should at least be around 130

drgnracin72 · August 29th, 2006, 08:02 PM

in my 97 cobra it topped out at 135 with the 4.10 but i didnt go that fast very often. it was a fun track car and it launched and accelerated amazingly

GTSilver · August 30th, 2006, 12:11 PM

i'm goin with the 4.10. the guy thats gonna do the install is gonna trade my 3.73 for half the labor...sounds like a good deal to me.

mdvaldosta · August 30th, 2006, 01:01 PM

Go with 4.10's, you'll be happy you did. And no, you won't slow down any (maybe even go faster) with 4.10's top end - unless you have like 1,000 horsepower.

MySallyMI · August 30th, 2006, 01:09 PM

I have an 03GT with 4.10's, and was at 115mph in 5th at around 4750Rpms, so i could estimate about 135 to 140 being the highest speed id be able to reach. How often are you gunna do over 115? Just make sure your tires are rated for the speed i had a friend who had a blowout at 140mph, his stang wasnt so pretty anymore.

gills99stang · September 7th, 2006, 08:00 AM

I've hit 144 with 4:10's in my '99 GT.... but probably won't do that anymore after reading the blowout story....

mach03 · December 21st, 2006, 09:09 PM

At the strip it took trap speed from 103 to 105/6.
ETs went from mid 13s to very low 13s.
It still buiries the speedo at 150 and more if you're silly enough to do it.
By th way this is an auto Mach 1 FWIW

MSTGGT00 · December 21st, 2006, 09:29 PM

I can't speak for you guys, but I have an auto... and hands down it hasn't touched my top speed. In fact, it's made things much better. Like I said, I can hit 145 and feel like I've got plenty of room.

sweet99 · December 21st, 2006, 11:20 PM

Originally Posted by GTSilver

yea i've got an auto so it might be a little different from ya'lls

I have a '99 GT Convertible/automatic with 4.10's and at the top of 3rd(6000rpm's) I am right at 110mph and am quite sure when I did 135 once there was more to go. More than will ever be needed. Mark

MSTGGT00 · December 21st, 2006, 11:24 PM

You know, when mine gets to around 6,200 RPMS I start to get worried. Should I be, or is it rational to take it higher

GTSilver · December 22nd, 2006, 11:09 AM

OMG this is such an old thread..haha from september and shit...

ChrisJ · December 22nd, 2006, 11:16 AM

Originally Posted by MSTGGT00

You know, when mine gets to around 6,200 RPMS I start to get worried. Should I be, or is it rational to take it higher

Depends on how much wuickly you want to see the internals of you engine...

sonicblue · December 22nd, 2006, 11:49 AM

i wouldnt want to take a stock gt to 6200 rpms

GTSilver · December 22nd, 2006, 12:27 PM

yea thats prolly notta good thing

August 29th, 2006, 05:00 PM	#1
GTSilver Enthusiast Join Date: Aug 2006 Posts: 699	4.10 = Slow Top End? if i go with 4.10 will that cut my top speed short? __________________ 2002 GT K&N CAI O/R X-Pipe Race Bullit Mufflers SCT Xcal2 w/Custom Tune By RWTD 4.10 Rear Nitto D/R's FR500 Rims 17x9 17x10.5 http://i118.photobucket.com/albums/o...ver/cpsing.jpg

August 29th, 2006, 05:10 PM	#4
GTSilver Enthusiast Join Date: Aug 2006 Posts: 699	yea i've got an auto so it might be a little different from ya'lls __________________ 2002 GT K&N CAI O/R X-Pipe Race Bullit Mufflers SCT Xcal2 w/Custom Tune By RWTD 4.10 Rear Nitto D/R's FR500 Rims 17x9 17x10.5 http://i118.photobucket.com/albums/o...ver/cpsing.jpg

August 29th, 2006, 05:14 PM	#5
orangeRcode Hardcore Enthusiast 12.37@110.89 Join Date: May 2006 Location: Mustang/Yukon, OK Posts: 1,778	found a couple with a quick google search: http://www.car-videos.net/tools/speedrpm.asp http://www.izook.com/gearcalc.htm __________________ http://www.moddedmustangs.com/forums/image-apic687.jpg

August 29th, 2006, 05:24 PM	#6
ChrisJ MM Ninjas! 2002 Mustang GT SLOW Join Date: Jun 2006 Location: Williamsburg, Virginia Posts: 14,743	I would say go with the 4.10's you prolly wont even notice the difference in the top end that much... __________________ My Junk www.myspace.com/cjobe

August 29th, 2006, 06:23 PM	#7
raceruler03 Enthusiast Join Date: Aug 2006 Location: georiga Posts: 776	I don't know with my 373s I can still do over 150 so it should at least be around 130 __________________ http://i157.photobucket.com/albums/t...donecopy-1.jpg

August 29th, 2006, 05:04 PM	#2
03 R Code Hardcore Enthusiast unstoppable @ speed of light Join Date: Jul 2006 Location: Knees deep in dat ass Posts: 2,801	Is your car a 5 speed or auto. I have a 5 speed with 4:30's and I have pushed my car above 145 with plenty of room to go.

August 30th, 2006, 12:11 PM	#9
GTSilver Enthusiast Join Date: Aug 2006 Posts: 699	i'm goin with the 4.10. the guy thats gonna do the install is gonna trade my 3.73 for half the labor...sounds like a good deal to me. __________________ 2002 GT K&N CAI O/R X-Pipe Race Bullit Mufflers SCT Xcal2 w/Custom Tune By RWTD 4.10 Rear Nitto D/R's FR500 Rims 17x9 17x10.5 http://i118.photobucket.com/albums/o...ver/cpsing.jpg

August 30th, 2006, 01:01 PM	#10
mdvaldosta Maintenance Man 2002 Mustang GT 11.47@120.58 Join Date: Aug 2005 Location: Valdosta, GA Posts: 3,928	Go with 4.10's, you'll be happy you did. And no, you won't slow down any (maybe even go faster) with 4.10's top end - unless you have like 1,000 horsepower.

August 30th, 2006, 01:09 PM	#11
MySallyMI Regular Join Date: Jul 2006 Location: Grand Rapids,MI-Ft.Hood,TX Posts: 256	Re: 4.10=slow top end? I have an 03GT with 4.10's, and was at 115mph in 5th at around 4750Rpms, so i could estimate about 135 to 140 being the highest speed id be able to reach. How often are you gunna do over 115? Just make sure your tires are rated for the speed i had a friend who had a blowout at 140mph, his stang wasnt so pretty anymore.

September 7th, 2006, 08:00 AM	#12
gills99stang Hardcore Enthusiast 1999 Mustang GT 13.4 @ 100 Join Date: Sep 2006 Location: Virginia Beach, Virginia Posts: 2,452	I've hit 144 with 4:10's in my '99 GT.... but probably won't do that anymore after reading the blowout story.... __________________ Brendan '99 Mustang GT [318 rwhp N/A] For Sale: 2003 Boyd Coddington / Roush California Roadster http://www.moddedmustangs.com/forums...-roadster.html

December 21st, 2006, 09:09 PM	#13
mach03 Regular Join Date: Dec 2006 Posts: 132	At the strip it took trap speed from 103 to 105/6. ETs went from mid 13s to very low 13s. It still buiries the speedo at 150 and more if you're silly enough to do it. By th way this is an auto Mach 1 FWIW

December 22nd, 2006, 11:09 AM	#17
GTSilver Enthusiast Join Date: Aug 2006 Posts: 699	OMG this is such an old thread..haha from september and shit... __________________ 2002 GT K&N CAI O/R X-Pipe Race Bullit Mufflers SCT Xcal2 w/Custom Tune By RWTD 4.10 Rear Nitto D/R's FR500 Rims 17x9 17x10.5 http://i118.photobucket.com/albums/o...ver/cpsing.jpg

December 22nd, 2006, 11:49 AM	#19
sonicblue Hardcore Enthusiast 1990 GT Join Date: Aug 2006 Location: dalzell, south carolina Posts: 1,430	i wouldnt want to take a stock gt to 6200 rpms __________________ 1990 5.0 getting all fixed up for next season 2004 mustang gt 520rwhp, 491 trq sold

December 22nd, 2006, 12:27 PM	#20
GTSilver Enthusiast Join Date: Aug 2006 Posts: 699	yea thats prolly notta good thing __________________ 2002 GT K&N CAI O/R X-Pipe Race Bullit Mufflers SCT Xcal2 w/Custom Tune By RWTD 4.10 Rear Nitto D/R's FR500 Rims 17x9 17x10.5 http://i118.photobucket.com/albums/o...ver/cpsing.jpg

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4.10 = Slow Top End?

4.10 = Slow Top End?

Re: 4.10=slow top end?