J-mod

2000stallion · March 27th, 2011, 10:30 PM

Hey guys, im going to do the jmod with the help of my mechanic. I found this write up, http://www.crownvic.net/tech/4R70Wnotes.pdf This is the right one right? Im mean i know its a 4r70w, but its for crownvics. If theres any other write-ups, please throw up links!

2000stallion · March 27th, 2011, 10:49 PM

bump! also, i have a tuner question...I want to buy a tuner from Am with the bill me later option...Will a dyno tuner still be able to use the tuner, or should i buy the tuner later from the shop that tunes my car?

tbirdscwd · March 27th, 2011, 11:48 PM

That's the right write up for our cars as well. The others found on tccoa are for earlier transmissions. As long as the shop you are planning on taking your car to uses whatever type of tuner you order, you will be fine ordering it through AM.

You should read some of the transmission articles on tccoa.com especially the j-mod related stuff. You also should look over the accumulator springs for your car since just drilling the few holes out a few thousandths isn't going to do much by itself.

casper gt · March 28th, 2011, 12:54 AM

j-mod................

86er · March 28th, 2011, 12:57 AM

Originally Posted by casper gt

j-mod................

tbirdscwd · March 28th, 2011, 12:57 AM

But Jerry designed it LOL

tbirdscwd · March 28th, 2011, 12:59 AM

casper gt......

MM's J-Moderator!!!

casper gt · March 28th, 2011, 01:01 AM

Originally Posted by 86er

YouTube - Full Metal Jacket- Get Some

brokenweasel · March 28th, 2011, 09:04 AM

Originally Posted by tbirdscwd

casper gt......

MM's J-Moderator!!!

2000stallion · March 28th, 2011, 09:53 AM

Originally Posted by tbirdscwd

That's the right write up for our cars as well. The others found on tccoa are for earlier transmissions. As long as the shop you are planning on taking your car to uses whatever type of tuner you order, you will be fine ordering it through AM.

You should read some of the transmission articles on tccoa.com especially the j-mod related stuff. You also should look over the accumulator springs for your car since just drilling the few holes out a few thousandths isn't going to do much by itself.

Awesome. Thank you. I thought thats what the jmod was? Drilling some new holes, and removing those two springs...

tbirdscwd · March 29th, 2011, 03:27 AM

No problem man. There are just so many variations of the j-mod floating around that it's hard to know what every single person is really talking about when they say "j-mod."

Good luck and let us all know how it goes. You might want to ride in a car with a j-mod and then one with a shift kit like the transgo hd-2 or a Fairbanks kit before being dead set on a j-mod. A lot of people prefer an actual shift kit.

2000stallion · March 30th, 2011, 11:53 PM

Originally Posted by tbirdscwd

No problem man. There are just so many variations of the j-mod floating around that it's hard to know what every single person is really talking about when they say "j-mod."

Good luck and let us all know how it goes. You might want to ride in a car with a j-mod and then one with a shift kit like the transgo hd-2 or a Fairbanks kit before being dead set on a j-mod. A lot of people prefer an actual shift kit.

Honestly....theres not alot of "Modded Mustangs" around me honestly...Well not v6's. I think ill end up going with the j-mod. The guy helping me with my build is very knowledged in trannys and hes never heard of the j-mod but he got excited about it. i think he wants to learn a new homemade shift kit.And Ill definetly post pictures of everything! Thanks again for your help!

tbirdscwd · April 2nd, 2011, 02:45 PM

No problem, just make sure to follow the instructions carefully. The valve body isn't something you want to screw up. Might be a good idea to get a spare separator plate so that you aren't totally screwed if the stock one gets damaged somehow.

March 27th, 2011, 10:30 PM	#1
2000stallion Hardcore Enthusiast 2000 Mustang slow@slow Join Date: Oct 2009 Location: Kansas Posts: 2,000 iTrader: 1 reviews	J-mod Hey guys, im going to do the jmod with the help of my mechanic. I found this write up, http://www.crownvic.net/tech/4R70Wnotes.pdf This is the right one right? Im mean i know its a 4r70w, but its for crownvics. If theres any other write-ups, please throw up links! __________________ For Sale: 99-04 smoked tail light covers 2000stallions Build Thread

March 27th, 2011, 10:49 PM	#2
2000stallion Hardcore Enthusiast 2000 Mustang slow@slow Join Date: Oct 2009 Location: Kansas Posts: 2,000 iTrader: 1 reviews	bump! also, i have a tuner question...I want to buy a tuner from Am with the bill me later option...Will a dyno tuner still be able to use the tuner, or should i buy the tuner later from the shop that tunes my car? __________________ For Sale: 99-04 smoked tail light covers 2000stallions Build Thread

March 27th, 2011, 11:48 PM	#3
tbirdscwd MM Fanatic 2004 Mustang GT 12.88 @ 109.45 N/A Join Date: Feb 2010 Location: Davis, CA Posts: 3,417 iTrader: -1 reviews	That's the right write up for our cars as well. The others found on tccoa are for earlier transmissions. As long as the shop you are planning on taking your car to uses whatever type of tuner you order, you will be fine ordering it through AM. You should read some of the transmission articles on tccoa.com especially the j-mod related stuff. You also should look over the accumulator springs for your car since just drilling the few holes out a few thousandths isn't going to do much by itself. __________________ Fun: 2004 Mustang GT DD: 1994 Ram 2500 Cummins 4x4 Borla "Stinger" Exhaust Vids

March 28th, 2011, 12:54 AM	#4
casper gt Moderator 2012 300a gt auto 12.10@116 Join Date: Mar 2008 Location: creighton pa Posts: 7,697 iTrader: 4 reviews	j-mod................ __________________ MM BRACKET RACING CREW CO-FOUNDER BAMA Performance Drag Team Founder 2012 300a GT auto

March 28th, 2011, 12:57 AM	#6
tbirdscwd MM Fanatic 2004 Mustang GT 12.88 @ 109.45 N/A Join Date: Feb 2010 Location: Davis, CA Posts: 3,417 iTrader: -1 reviews	But Jerry designed it LOL __________________ Fun: 2004 Mustang GT DD: 1994 Ram 2500 Cummins 4x4 Borla "Stinger" Exhaust Vids

March 28th, 2011, 12:59 AM	#7
tbirdscwd MM Fanatic 2004 Mustang GT 12.88 @ 109.45 N/A Join Date: Feb 2010 Location: Davis, CA Posts: 3,417 iTrader: -1 reviews	casper gt...... MM's J-Moderator!!! __________________ Fun: 2004 Mustang GT DD: 1994 Ram 2500 Cummins 4x4 Borla "Stinger" Exhaust Vids

March 29th, 2011, 03:27 AM	#11
tbirdscwd MM Fanatic 2004 Mustang GT 12.88 @ 109.45 N/A Join Date: Feb 2010 Location: Davis, CA Posts: 3,417 iTrader: -1 reviews	No problem man. There are just so many variations of the j-mod floating around that it's hard to know what every single person is really talking about when they say "j-mod." Good luck and let us all know how it goes. You might want to ride in a car with a j-mod and then one with a shift kit like the transgo hd-2 or a Fairbanks kit before being dead set on a j-mod. A lot of people prefer an actual shift kit. __________________ Fun: 2004 Mustang GT DD: 1994 Ram 2500 Cummins 4x4 Borla "Stinger" Exhaust Vids Last edited by tbirdscwd; March 29th, 2011 at 03:33 AM.

April 2nd, 2011, 02:45 PM	#13
tbirdscwd MM Fanatic 2004 Mustang GT 12.88 @ 109.45 N/A Join Date: Feb 2010 Location: Davis, CA Posts: 3,417 iTrader: -1 reviews	No problem, just make sure to follow the instructions carefully. The valve body isn't something you want to screw up. Might be a good idea to get a spare separator plate so that you aren't totally screwed if the stock one gets damaged somehow. __________________ Fun: 2004 Mustang GT DD: 1994 Ram 2500 Cummins 4x4 Borla "Stinger" Exhaust Vids

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