Just did rear end w 3.73 gears

SleepV6CR · November 17th, 2010, 08:41 PM

Geez I wish I would have done this first. Just got my car back from blue oval performance in vancouver, wa. did a great job.

mustangmike! · November 17th, 2010, 08:43 PM

stick or auto ??

3.73s in my auto sure made a difference

I love em

SleepV6CR · November 17th, 2010, 08:45 PM

Stick.

I'm doing the wheels and rims next month. then save up for the SC install in June. I'm doing the 18x9, 18x10 as well..

SleepV6CR · November 17th, 2010, 08:46 PM

Long day didnt see the rest of the post... Ya, I am really impressed with the 3.73's.

mustangmike! · November 17th, 2010, 08:48 PM

I just not sure you shoulda went w/ them if your going SC, but thats a common argument i think either 3.55 or 3.73 im sure they'll be fine though.
what kind of SC ?

SleepV6CR · November 17th, 2010, 08:56 PM

Ya the performance place that does our work is very knowledgeable felt 3.73's were the best since its a daily driver. Thinking about a procharger? not sure yet.

Codeman · November 17th, 2010, 09:04 PM

3.73s will work well for a DD procharged car. Actually for a procharger you want like 4.10s even. But if it is a DD i would stick with 3.73s. The procharger your not making your horsepower till higher RPMs so you want to get there as fast as possible.

mustangmike! · November 17th, 2010, 09:11 PM

just seems it would suck up your final gear to fast w/ FI

SleepV6CR · November 17th, 2010, 09:46 PM

Thanks guys, I will keep ya posted for sure. I am hearing that we can get as much a 340hp with stock internals. what you think? I have 89,000 miles on the car..

9986paulk · November 17th, 2010, 10:03 PM

I don't think people realize how gear ratios work...they always worry about top end with gears. If you can get these cars to do 5500 rpm in final gear (I believe they are a .68 OD? Very close to the same final ratio for autos...) you will be going about 160+ with 3.73s and 150+ with 4.10s. Just an FYI.

And to answer your question...approaching 100k I would keep it around 350 and that should be safe with good tuning.

SleepV6CR · November 18th, 2010, 01:27 PM

And to answer your question...approaching 100k I would keep it around 350 and that should be safe with good tuning.[/QUOTE]

Hey thanks, I am going run the sc on this motor till we start the build on the new one in in Sept. I have heard hp numbers from 325-340 or 350.

rovelli92 · November 18th, 2010, 02:47 PM

pleaseeee me easy on them! lol gears take time to break in...

there is a full list of things NOT to do after install!!! lol

i didn't follow the rules after a bad install and i blew out my rear end......

SleepV6CR · November 18th, 2010, 04:05 PM

thanks for the heads up! I was getting on it a little and a buddy said " bro, knock it off"..haha

mustangmike! · November 18th, 2010, 05:37 PM

I didnt run them as hard as possible, but when I got my 3.73s in, I didnt wait that 500 miles. I think I drove 1 mile before I got on it a lil. Not WOT (keep in mind its an auto, no reving and dropping the clutch:p)
Anyways, mines all good. That was a good 3k miles ago or more. probably 6k

rovelli92 · November 18th, 2010, 08:35 PM

some people are lucky and get away with it...but having that break in period is a MUST! it will keep your gears from breaking down the road! I think around 500miles you can finally open it up

mcqueen · November 18th, 2010, 08:42 PM

Originally Posted by mustangmike!

I didnt run them as hard as possible, but when I got my 3.73s in, I didnt wait that 500 miles. I think I drove 1 mile before I got on it a lil. Not WOT (keep in mind its an auto, no reving and dropping the clutch:p)
Anyways, mines all good. That was a good 3k miles ago or more. probably 6k

I was lucky to get 2 blocks before I chirped the tires (no burnouts in the area I got them installed) and started having fun

4.10s rule

rfcsoulja · November 18th, 2010, 10:36 PM

Originally Posted by mustangmike!

just seems it would suck up your final gear to fast w/ FI

You want to go with a low gear if you have a turbo since you would want to stay in boost longer. With a supercharger you want a little steeper gear since you build boost as your rpms increase and you usually don't make peak boost until high in your rpms.

wrxified · November 19th, 2010, 11:44 AM

Mind me asking how much BlueOval charged for the install?

SleepV6CR · November 20th, 2010, 04:50 PM

I will have to look for ya. They did a bunch of stuff for me at the same time they did the swap.

SleepV6CR · November 21st, 2010, 03:14 PM

Originally Posted by wrxified

Mind me asking how much BlueOval charged for the install?

the charge 100 per hour and it took 4hrs to tear apart and rebuild the 8.8 and install the gears.

November 17th, 2010, 08:41 PM	#1
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	Just did rear end w 3.73 gears Geez I wish I would have done this first. Just got my car back from blue oval performance in vancouver, wa. did a great job. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 17th, 2010, 08:43 PM	#2
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	stick or auto ?? 3.73s in my auto sure made a difference I love em __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

November 17th, 2010, 08:45 PM	#3
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	Stick. I'm doing the wheels and rims next month. then save up for the SC install in June. I'm doing the 18x9, 18x10 as well.. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 17th, 2010, 08:46 PM	#4
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	Long day didnt see the rest of the post... Ya, I am really impressed with the 3.73's. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 17th, 2010, 08:48 PM	#5
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	I just not sure you shoulda went w/ them if your going SC, but thats a common argument i think either 3.55 or 3.73 im sure they'll be fine though. what kind of SC ? __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

November 17th, 2010, 08:56 PM	#6
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	Ya the performance place that does our work is very knowledgeable felt 3.73's were the best since its a daily driver. Thinking about a procharger? not sure yet. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 17th, 2010, 09:04 PM	#7
Codeman Hardcore Enthusiast Join Date: Nov 2007 Location: North Dakota Posts: 2,933 iTrader: 1 reviews	3.73s will work well for a DD procharged car. Actually for a procharger you want like 4.10s even. But if it is a DD i would stick with 3.73s. The procharger your not making your horsepower till higher RPMs so you want to get there as fast as possible. __________________ UDP, CAI, True Duals, LTs, 91 Tune from TT, 3.73 gears, Tlok,Windstar upper, GT TB, Ported lower, Comp 218/226 cam, FRPP C Springs, J&M LCA, Tokico Blue shocks and struts, and J&M Full Length Subframe Connectors

November 17th, 2010, 09:11 PM	#8
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	just seems it would suck up your final gear to fast w/ FI __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

November 17th, 2010, 09:46 PM	#9
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	Thanks guys, I will keep ya posted for sure. I am hearing that we can get as much a 340hp with stock internals. what you think? I have 89,000 miles on the car.. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 17th, 2010, 10:03 PM	#10
9986paulk Hardcore Enthusiast 1999 Mustang V6 Join Date: Dec 2008 Location: Youngstown Posts: 1,226 iTrader: 3 reviews	I don't think people realize how gear ratios work...they always worry about top end with gears. If you can get these cars to do 5500 rpm in final gear (I believe they are a .68 OD? Very close to the same final ratio for autos...) you will be going about 160+ with 3.73s and 150+ with 4.10s. Just an FYI. And to answer your question...approaching 100k I would keep it around 350 and that should be safe with good tuning. __________________ Twin Turbo

November 18th, 2010, 01:27 PM	#11
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	And to answer your question...approaching 100k I would keep it around 350 and that should be safe with good tuning.[/QUOTE] Hey thanks, I am going run the sc on this motor till we start the build on the new one in in Sept. I have heard hp numbers from 325-340 or 350. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 18th, 2010, 02:47 PM	#12
rovelli92 Banned 2010 GT Sterling Grey 12.97 @ 107.34 Join Date: Apr 2010 Location: H-town, TX Posts: 2,170 iTrader: 0 reviews	pleaseeee me easy on them! lol gears take time to break in... there is a full list of things NOT to do after install!!! lol i didn't follow the rules after a bad install and i blew out my rear end...... __________________ [SIGPIC][/SIGPIC] \|Some fun new stuff...\|

November 18th, 2010, 04:05 PM	#13
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	thanks for the heads up! I was getting on it a little and a buddy said " bro, knock it off"..haha __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

November 18th, 2010, 05:37 PM	#14
mustangmike! I Post Entirely Way Too Much 2004,1994,1967 14.37 @ 96 Join Date: Aug 2008 Location: Texas Posts: 6,018 iTrader: 1 reviews	I didnt run them as hard as possible, but when I got my 3.73s in, I didnt wait that 500 miles. I think I drove 1 mile before I got on it a lil. Not WOT (keep in mind its an auto, no reving and dropping the clutch:p) Anyways, mines all good. That was a good 3k miles ago or more. probably 6k __________________ 227whp N/A V6 Now w/ 8th Mile 8s ! How To Jmod Your Late Model 4R70W

November 18th, 2010, 08:35 PM	#15
rovelli92 Banned 2010 GT Sterling Grey 12.97 @ 107.34 Join Date: Apr 2010 Location: H-town, TX Posts: 2,170 iTrader: 0 reviews	some people are lucky and get away with it...but having that break in period is a MUST! it will keep your gears from breaking down the road! I think around 500miles you can finally open it up __________________ [SIGPIC][/SIGPIC] \|Some fun new stuff...\|

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November 19th, 2010, 11:44 AM	#18
wrxified Newbie Join Date: Oct 2010 Posts: 37 iTrader: 0 reviews	Mind me asking how much BlueOval charged for the install?

November 20th, 2010, 04:50 PM	#19
SleepV6CR Newbie 2001 Mustang V6 Join Date: Aug 2010 Location: WA Posts: 49 iTrader: 0 reviews	I will have to look for ya. They did a bunch of stuff for me at the same time they did the swap. __________________ Mods: BBK CAI, BBK 65mm TB, BBK UDP, Diablo Tune, True Dual (2) CATS removed, FM 40's, 8.8 rear end, 3.73 gears, Lower Just Purchased: Windstar Upper Intake

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