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Old September 1st, 2008, 01:36 AM   #1
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Jmod


I know I asked this in that other thread... but I don't wanna threadjack, so I'll just make this...


How does the Jmod work exactly? I know it makes the car shift better, and prolongs the life of the tranny... but I'm just curious as to what it is...

I saw VAP isn't selling the kit anymore, but saw that I can send some part in and the guy will do the jmod and send it back... how easy is it to get this part out to send to them... something I can do, or something I should take to a shop (I don't know shit about transmissions, obviously)

I've done a lot of searching on it, but I never notice anyone include it with their mods list... so is this just a decent mod, or more of an "if you're an auto and don't have a jmod, you fail" kind of mod...
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Old September 1st, 2008, 02:27 AM   #2
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its one of those things ya just dont ask...ya do

actually i think it has something to do with the transfer of the fluid and giving more pressure in the right place or something along those lines
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Old September 1st, 2008, 02:31 AM   #3
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ah ok... so one of those, you have an auto and no jmod, you fail at life kind of mods...


mostly was interested cause I saw I can get a discount if I get it and the intake spacer together...

any idea what part I would be sending in... or any of that? And damn, I just realized I'm gonna have to find another car to drive for a while while that's sent out... hope my POS van can make it all the way across town...haha
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 1st, 2008, 02:33 AM   #4
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Ford Auto Repair Information > what is "JMOD" for 4R7OW trans. want firmer shifts > - JustAnswer
What is a J Mod? - Ford Mustang Forums
TCCoA Transmission Article - Page 13
TCCoA Tech Articles
VALVE BODY MODIFICATION INSTRUCTIONS

some light reading for ya
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Old September 1st, 2008, 02:38 AM   #5
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wow... you're a lot better at searching than I am... that's a hell of a lot more useful info than I got before...


I /fail at google apparently... haha

I'll look over these when I'm a little more awake... thanks man +reps
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Originally Posted by 93hatch View Post
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I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 1st, 2008, 02:46 AM   #6
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I had not seen those, thanks Woody. With my tuner, I set my shifts to hard- should I still look at the Jmod, shift kit and tranny cooler? I like the idea of extending the life of my tranny if I can.
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Old September 1st, 2008, 02:47 AM   #7
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Originally Posted by minigunner7point62 View Post
I had not seen those, thanks Woody. With my tuner, I set my shifts to hard- should I still look at the Jmod, shift kit and tranny cooler? I like the idea of extending the life of my tranny if I can.
the way i look at it is that its better off to have the hardware to run something instead of the software
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Old September 2nd, 2008, 01:17 PM   #8
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ok, so I just realized I'm a dumbass...

I was planning on just taking the valve body out of my car, and let my car sit until I can send it and get it back from VAP...

but then realized I could just go to a junk yard and get a cheap ass one there... so I can still use my car...

what cars have the 4r70w? I know mustangs obviously, but there's not too many of those in the junkyards that I've been to... does the ranger or anything else have it?
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 2nd, 2008, 01:46 PM   #9
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Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford BRONCO
Ford 4R70W for 98-03 4.6L Ford CROWN VICTORIA
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Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford ECONLINE 250 Van
Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford ECONLINE 350 Van
Ford 4R70W for 97-03 4.6L, 5.4L Ford EXPEDITION
Ford 4R70W for 95-01 5.0L Ford EXPLORER
Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford F150 Truck
Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford F250 Truck
Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford F350 Truck
Ford 4R70W for 97-03 4.2L, 4.6L, 5.4L Ford F450 Truck
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Old September 2nd, 2008, 01:52 PM   #10
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sweet! thanks
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 2nd, 2008, 01:54 PM   #11
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No problem dude
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Old September 2nd, 2008, 02:33 PM   #12
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Truck valve bodies are different then the ones in Mustangs.
You need to look for a 99 or newer Mustang valve body and seperator plate.
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Old September 2nd, 2008, 04:47 PM   #13
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is the jmod a cheap install by a mechanic?
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Old September 2nd, 2008, 05:33 PM   #14
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Originally Posted by 03stanggg View Post
is the jmod a cheap install by a mechanic?
VAP Auto - J-Mod Kits

he's out of stock, but if you send in your valve body, he'll perform the jmod, and send it back...
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 3rd, 2008, 01:24 AM   #15
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oh and something I just thought of...

I'm planning on getting an xcal2 soon...

will I even need to do this then? or will the xcal improve my shifts just as well as the jmod would?
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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Old September 3rd, 2008, 12:17 PM   #16
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Does anybody have a website with the exact jmod kit for my car where i can purchase it from i cant find one with it up i have a 00 auto v6

thanks to whoever can help
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Old September 3rd, 2008, 01:14 PM   #17
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look two posts up
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Old September 3rd, 2008, 10:58 PM   #18
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Originally Posted by WLJohnson05 View Post
look two posts up
lol thanks and one more thign will this work for my car to go along with it?


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Old September 3rd, 2008, 11:24 PM   #19
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Originally Posted by JTS View Post
lol thanks and one more thign will this work for my car to go along with it?


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Old September 3rd, 2008, 11:38 PM   #20
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Originally Posted by ItaliStang View Post
oh and something I just thought of...

I'm planning on getting an xcal2 soon...

will I even need to do this then? or will the xcal improve my shifts just as well as the jmod would?
anyone know the answer to this?

last n00b question... I swear
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Originally Posted by 93hatch View Post
Originally Posted by futureMACH1racer View Post
I voted for 93Snatch, because I don't even know what the fuck that thing on his avie is. Is it a Thunder Chicken?
its fucking zapdos show some goddam respect!!!!!
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