Top speed with 4.10 gears

p4ndiamond · February 2nd, 2012, 02:20 AM

Im auto with 4.30 gears and in 3rd i top around 120 mph with room to grow oncei get the 4v and rev more rpm. In 4th im good to maybe 145 at least . it will do it.

Macattac · February 2nd, 2012, 02:25 AM

Originally Posted by BoostHard1210

So can anyone tell me why when i tap my breaks at high speeds my car feels like its going to shake into pieces?

And this has what to do with gears? =)

Possibly because your brake discs are warped.

prochargedGT · February 2nd, 2012, 04:00 AM

Originally Posted by BoostHard1210

So can anyone tell me why when i tap my breaks at high speeds my car feels like its going to shake into pieces?

my guess would also be your rotors are warped form excessive heat!

Durr4456 · February 2nd, 2012, 07:35 AM

Your rotors could be mis aligned.

That mobile device thingy

Eagle2000GT · February 2nd, 2012, 09:16 AM

Originally Posted by p4ndiamond

Im auto with 4.30 gears and in 3rd i top around 120 mph with room to grow oncei get the 4v and rev more rpm. In 4th im good to maybe 145 at least . it will do it.

With stock size tires that calculates to 6830 rpms. With room to grow?

Tang Stang · February 2nd, 2012, 09:54 AM

Originally Posted by Eagle2000GT

Perhaps he was breaking it down in terms I'm familiar with. I'm willing to learn. Why do automatics distroy themselves when you go WOT in overdrive?

There is more to it, but I posted a little bit about that here: auto questions

Also, consider that when you're in OD, a small friction material covered band is trying to translate the torque from the engine to the driveshaft. It was designed for part throttle cruising at stock power levels, not WOT with 400+ rwhp.

Originally Posted by BoostHard1210

So can anyone tell me why when i tap my breaks at high speeds my car feels like its going to shake into pieces?

Your rotors are warped.

kyle2002stang! · February 2nd, 2012, 12:39 PM

can you build your trans to handle WOT in overdrive? and im assuming a car with say 400 horsepower at the wheels has a higher top speed than it does with 200 obviously.

termi_GT · February 2nd, 2012, 12:51 PM

Originally Posted by kyle2002stang!

can you build your trans to handle WOT in overdrive? and im assuming a car with say 400 horsepower at the wheels has a higher top speed than it does with 200 obviously.

Not really. Why would you want to? OD is not meant for hard usage.

Macattac · February 2nd, 2012, 04:13 PM

OD band made of kevlar perhaps?

Sent from my Autoguide iPad app

BigEag205 · February 3rd, 2012, 02:42 AM

Originally Posted by Nightmare69

They see me trollin.........

hahaha...I was going to say, with a 5 speed i can easily go over 105; now, automatic, i have no idea. cruising at 85 im running 2900 rpm's. Once I hit fifth gear though, its like i engage the parachute and im pushing against being pulled. As someone else said, I'm terrified to go over 125 now so it doesnt bother me at all. Mine's more of a track car, but in short, yes, you can go over 105mph with 4.10's

BTW, all highway to the beach, with my built motor and 4.10's, AND driving spiritedly, i still averaged 27 mpg

p4ndiamond · February 3rd, 2012, 04:44 AM

Can't be that high im on an auto trans.
The O/d band cannot take it because it basically works like drum brakes to engage ..except its in fluid. When trying to hold it slips, kelvar will slip even more than a normal band. The rest of the tras (1-3 gears) uses clutch PLATES ...kinda like disk brakes

. this is why you will nade it. I've done many into 4th gear but once i tuned i locked it out for good.

4-2 down shifts are bad because if the pressure is not finished releasing it creates a "park" type situation and you break the stub shaft.... you don't want a broken shaft.. you need that to haz horse powuz .

Tang Stang · February 3rd, 2012, 09:11 AM

Originally Posted by Macattac

OD band made of kevlar perhaps?

Straight from the overdrive band section of Jerry's article: "...unless you have an all out race setup, don't use kevlar..."

It's as simple as this...if you're going to play around, lock out OD first.

Durr4456 · February 3rd, 2012, 09:52 AM

Unless your a manual. Then your screwed

That mobile device thingy

Tang Stang · February 3rd, 2012, 10:03 AM

Originally Posted by Durr4456

Unless your a manual. Then your screwed

Durr4456 · February 3rd, 2012, 10:05 AM

Cause you can't turn off od in a manual? Right? Haha

That mobile device thingy

Tang Stang · February 3rd, 2012, 10:28 AM

Originally Posted by Durr4456

Cause you can't turn off od in a manual? Right? Haha

Are you kidding?

Durr4456 · February 3rd, 2012, 11:48 AM

Originally Posted by Tang Stang

Are you kidding?

Maybe

haha

That mobile device thingy

Blitz34 · February 3rd, 2012, 12:05 PM

2002 gt auto, exhaust and tune, 275/35/17 rears... 140 with a little more room on 3.27's.

February 2nd, 2012, 02:20 AM	#61
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,219 iTrader: 0 reviews	Im auto with 4.30 gears and in 3rd i top around 120 mph with room to grow oncei get the 4v and rev more rpm. In 4th im good to maybe 145 at least . it will do it. __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

February 2nd, 2012, 07:35 AM	#64
Durr4456 Zip wants me 2005 Mustang GT, 1967 GT Join Date: Mar 2011 Location: New Orleans Posts: 5,254 iTrader: 0 reviews	Your rotors could be mis aligned. That mobile device thingy __________________ The day I finish paying for my mustang will be a great day. Although I'm more likely to die before it happens. Don't be stupid like me! Zip loves my penis.

February 2nd, 2012, 12:39 PM	#67
kyle2002stang! I'm going On A Manhunt! 2002 true blue GT speed of time @ 88mph Join Date: Jun 2009 Location: 55 miles west of Aberdeen SD Posts: 2,352 iTrader: 0 reviews	can you build your trans to handle WOT in overdrive? and im assuming a car with say 400 horsepower at the wheels has a higher top speed than it does with 200 obviously. __________________ mac lt's, mac O/R H pipe, spintech super prostreets, JLT RAI, 14"antenna, mach 1 chin spoiler, two 12" kickers.

February 2nd, 2012, 04:13 PM	#69
Macattac Regular '03 GT 15@98mph :( Join Date: May 2011 Location: Sweden Posts: 232 iTrader: 0 reviews	OD band made of kevlar perhaps? Sent from my Autoguide iPad app __________________ Magnaflow Catback \| Steeda UDP \| UPR CAI \| AccuFab 75mm TB+Plenum\| 14" rotors with 8 piston calipers \| BMR LCA&UCA \| Eibach Sportline Springs

February 3rd, 2012, 04:44 AM	#71
p4ndiamond Hardcore Enthusiast 1997 Pacific Green Cobra 14.80 No traction Join Date: May 2010 Location: New Orleans Posts: 1,219 iTrader: 0 reviews	Can't be that high im on an auto trans. The O/d band cannot take it because it basically works like drum brakes to engage ..except its in fluid. When trying to hold it slips, kelvar will slip even more than a normal band. The rest of the tras (1-3 gears) uses clutch PLATES ...kinda like disk brakes . this is why you will nade it. I've done many into 4th gear but once i tuned i locked it out for good. 4-2 down shifts are bad because if the pressure is not finished releasing it creates a "park" type situation and you break the stub shaft.... you don't want a broken shaft.. you need that to haz horse powuz . __________________ GT ENGINE (temporary) 4.30 Gears , 31 spline Moser axles , Detroit tru Trac diff, Jmod 4r70w , Pi intake Hitech stage 2 cam, Vortech V2 3.33 pulley. Alum drive shaft. Lowering kit x2 ball joints ,screamin demon coils, LCA "

February 3rd, 2012, 09:52 AM	#73
Durr4456 Zip wants me 2005 Mustang GT, 1967 GT Join Date: Mar 2011 Location: New Orleans Posts: 5,254 iTrader: 0 reviews	Unless your a manual. Then your screwed That mobile device thingy __________________ The day I finish paying for my mustang will be a great day. Although I'm more likely to die before it happens. Don't be stupid like me! Zip loves my penis.

February 3rd, 2012, 10:05 AM	#75
Durr4456 Zip wants me 2005 Mustang GT, 1967 GT Join Date: Mar 2011 Location: New Orleans Posts: 5,254 iTrader: 0 reviews	Cause you can't turn off od in a manual? Right? Haha That mobile device thingy __________________ The day I finish paying for my mustang will be a great day. Although I'm more likely to die before it happens. Don't be stupid like me! Zip loves my penis.

February 3rd, 2012, 12:05 PM	#78
Blitz34 Hardcore Enthusiast 2002 Mustang GT 13.907@99.85 Join Date: Jan 2008 Location: Louisiana Posts: 1,543 iTrader: 11 reviews	2002 gt auto, exhaust and tune, 275/35/17 rears... 140 with a little more room on 3.27's. __________________

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