Welcome to Mustang Evolution.
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04-18-2007, 01:35 PM
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#1
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T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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This is gonna be the first mod aside from exhaust that i'm gonna do, and i need a good link to a place someone KNOWS is good to buy a traction lock and a 4.10 gear (automatic). and how much should i expect for an install?
also, when i'm looking for 3.9 parts, might i just as well look for 3.8 parts? are they practically the same?
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2004 V6 3.9L
Last edited by Winger; 04-18-2007 at 01:38 PM.
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04-18-2007, 01:37 PM
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#2
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Re: T-Lok and rear end gears
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WTF^^...
Join Date: May 2003
City: Hoover / Florence
State: Alabama
Posts: 27,254
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go ford racing for gears and tlok dont buy richmond or any of that crap, just oem ford.
for the install it will range any where from 200-400~ and pay more to get the job done better as its a nightmare when the rear end gets messed up and its not hard to screw up a gear install.
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2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Stingers, JLT, SS Inserts, MM FLSFC & CC Plates, SS Lines, H&R Race springs, IRS Brace, MRT Hood Struts
ME.com Member #29 - 400rwhp/380rwtq
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04-18-2007, 01:44 PM
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#3
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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t-lok and gear look good? so i'm looking at probably $700 for both bought and installed?
and on the T-Lok, it says "REQUIRES 4 OZ. OF FRICTION MODIFIER ON INITIAL FILL. 28 SPLINE 7.5" FOR V6 MUSTANG. " what does that mean? and how do i get the 4 oz. friction modifier?
and is my mustang by stock default a 7.5"?
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2004 V6 3.9L
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04-18-2007, 02:04 PM
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#4
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Re: T-Lok and rear end gears
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No more obstacles
Join Date: Jul 2005
City: Marin County, Nor Cal
State: California
Posts: 893
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yes you have a 7.5" rear. Friction modifier can be found at any parts store.
Just curious, why did you decide to go with the 4.10 gears?
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99 Cobra: flowmasters, 18x9.5 cobra R's, soon to be tuned and geared. daily driver
99 V6:in avatar, Mac Cai, true duals/flowmaster 40's ,UDP, custom tuned, bullitt suspension 18" wheels...taken by mother nature 
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04-18-2007, 02:09 PM
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#5
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Re: T-Lok and rear end gears
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Deranged
Join Date: Jan 2005
City: Largo
State: Florida
Posts: 6,313
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Your also gonna need a SCT chip or recalibrator to correct the speedo
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Mods-MAc CAI , True Dual Flowmaster 40,3.73 ,T-Lok, 25% UDP, 3/8 Phenolic Intake Spacer ,Steeda Tri-ax, SCT Chip/ Tune
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04-18-2007, 02:11 PM
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#6
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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says 4.10 for automatic in When Modding a Car from the Start.
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2004 V6 3.9L
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04-18-2007, 02:13 PM
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#7
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Re: T-Lok and rear end gears
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WTF^^...
Join Date: May 2003
City: Hoover / Florence
State: Alabama
Posts: 27,254
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yea the auto tranny has worse gearing when compared to the manual so 4.10 help even it back out and they need all the help they can get.
friction modifier is easy to get and cheap
__________________
2003 REDFIRE COBRA #3938 of 5082 @ 05/27/2003 1 of 414
MGW Shifter, Stingers, JLT, SS Inserts, MM FLSFC & CC Plates, SS Lines, H&R Race springs, IRS Brace, MRT Hood Struts
ME.com Member #29 - 400rwhp/380rwtq
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04-18-2007, 02:18 PM
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#8
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Re: T-Lok and rear end gears
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No more obstacles
Join Date: Jul 2005
City: Marin County, Nor Cal
State: California
Posts: 893
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Yea I knew that was the reason but I wanted to ask anyways. Just want you to be sure of everything that you're getting in to.
I don't know if your car is a dd or not but your gas mileage may go down with highway driving.
Your RPM's will be about 500 more then if you had your stock 3.27.
You may already know this but I just wanted to make sure because when I was new at all this I just went ahead with what everyone else said and took their word for it, which i shouldnt of done.
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99 Cobra: flowmasters, 18x9.5 cobra R's, soon to be tuned and geared. daily driver
99 V6:in avatar, Mac Cai, true duals/flowmaster 40's ,UDP, custom tuned, bullitt suspension 18" wheels...taken by mother nature
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04-18-2007, 02:20 PM
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#9
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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and i dont have enough money to get the tlok, gears, and a speedo recalibrater. would i need that just cause of the gear? and how much speed difference are we talking from the reg speedo?
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2004 V6 3.9L
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04-18-2007, 02:21 PM
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#10
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Re: T-Lok and rear end gears
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,355
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You will also see a slight increase in mpg in the city because you will be in your power band sooner for cruising.
If you are worried about gas mileage you really don't want to mod your car. But..actually...I get 28-30 on the highway in my car how it is right now.
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"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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04-18-2007, 02:29 PM
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#11
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Re: T-Lok and rear end gears
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No more obstacles
Join Date: Jul 2005
City: Marin County, Nor Cal
State: California
Posts: 893
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I just didn't want him to get everything installed and spending all his money, then all of a sudden wonder why the hell his RPM's are at 2600 cruising down the freeway.
I think some people don't fully understand the side affects of everything that they want to do to their cars performance.
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99 Cobra: flowmasters, 18x9.5 cobra R's, soon to be tuned and geared. daily driver
99 V6:in avatar, Mac Cai, true duals/flowmaster 40's ,UDP, custom tuned, bullitt suspension 18" wheels...taken by mother nature
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04-18-2007, 02:30 PM
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#12
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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__________________
2004 V6 3.9L
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04-18-2007, 02:33 PM
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#13
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Re: T-Lok and rear end gears
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,355
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It's cool.
If you are looking for a cost efficient seat of the pants improvement, you can't beat gears.
As far as your speed difference, your rear tires will be turning over 4.10 times for every one revolution of your driveshaft. Factory, your tires are turning over 3.27 times for every one revolution of your driveshaft. This will cause your speedometer to read a slower speed than you are actually going. As far as an exact speed, I can't tell you an exact measurement.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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04-18-2007, 02:45 PM
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#14
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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like enough to get me a speeding ticket?
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2004 V6 3.9L
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04-18-2007, 02:46 PM
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#15
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Re: T-Lok and rear end gears
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,355
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It would probably read 6-7 mph slower if you were doing highway speeds. If you can't afford a chip or tuner right now and want to get the gears, get them installed and have a friend follow you to see how much your speedometer is off. Once you figure this out you can learn how fast you need to be reading to do the speed limit and such.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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04-18-2007, 02:49 PM
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#16
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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6-7 isnt really that bad, thought you mean maybe like 15.
so anyways.
t-lok and 4.10 gear, + 4 oz friction modifier + installation = $700?
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2004 V6 3.9L
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04-18-2007, 02:53 PM
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#17
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Re: T-Lok and rear end gears
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,355
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Depends on where you get it installed.
I'd shop around to see who had the best price on install with a warranty.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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04-18-2007, 02:55 PM
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#18
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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thought you meant like 15... 7 isnt really that bad.
so
tlok+4.10+4oz friction whatever+instal = $700-800?
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2004 V6 3.9L
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04-18-2007, 03:00 PM
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#19
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: 45
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friction modifier?
thought it was an install piece lol... so i can probably self apply that then?
also, another question. When looking for stuff, i have a 3.9, can i look for 3.8 stuff cause 3.9 is sometimes not even an option.
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2004 V6 3.9L
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04-18-2007, 03:03 PM
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#20
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Re: T-Lok and rear end gears
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postarama
Join Date: Aug 2003
City: Southaven
State: Mississippi
Posts: 24,355
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Yes, you shouldn't run into an problems between the 3.9 and the 3.8.
__________________
"I'm not driving too fast...just flying too low"
Mine:
-87 ranger- broke
-03 SB Cobra vert- 2552 of 5082 Born 02/25/03
Our's:
90 7up vert - new project
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04-18-2007, 03:08 PM
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#21
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Re: T-Lok and rear end gears
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Not the band... The Man
Join Date: Apr 2007
Posts: | | |
