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post #1 of 14 (permalink) Old 12-28-2012, 09:30 AM Thread Starter
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Hour long Jmod video

This should probably be archived and moved somewhere better!
It is from crownvic.net but he uses many of our resources in the video!
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post #2 of 14 (permalink) Old 12-28-2012, 12:01 PM
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Moved to 4R70W Transmission forums.

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post #3 of 14 (permalink) Old 12-28-2012, 12:38 PM Thread Starter
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Moved to 4R70W Transmission forums.

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Thanks
Now Required viewing for anyone who even thinks of attempting this!
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post #4 of 14 (permalink) Old 12-28-2012, 03:44 PM
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I don't have time I watch the video right now but that is awesome! Maybe Ill try to watch it tonight.

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post #5 of 14 (permalink) Old 06-10-2014, 09:58 PM
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This may be a dumb question but...in the video he removes and does not replace the springs. In the JMod thesis it seems like only the 2-3 springs get completely removed and for 1-2 the top spring is left in unless you are making big power. What is the result of going one way or the other?
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post #6 of 14 (permalink) Old 09-10-2015, 05:53 PM
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is it safe to say that a jmod shouldnt take more than an hour for the exact modifications not including install of the tranny and what not?

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post #7 of 14 (permalink) Old 09-10-2015, 06:21 PM
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Who is going to do it, you or a shop? Tranny in the car or out?

I had no transmission experience when I did my first one and it took me 5 hours, clean up and lunch break included!

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post #8 of 14 (permalink) Old 09-10-2015, 06:25 PM
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im having a shop do it. the reason im asking is because they are charging me 2400 to rebuild my trans and do this jmod which they acted like they barely knew what i was talking about and then later called me and said yeah this is the price and it includes the update for these transmission. im like wait 2400 for a rebuild wtf. needless to say im aggravated.

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post #9 of 14 (permalink) Old 09-11-2015, 12:35 PM
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Quote:
Originally Posted by MangBangers View Post
This may be a dumb question but...in the video he removes and does not replace the springs. In the JMod thesis it seems like only the 2-3 springs get completely removed and for 1-2 the top spring is left in unless you are making big power. What is the result of going one way or the other?
Read this
http://www.tccoa.com/articles/tranny...on/page3.shtml

IIRC, the accumulator must fill up with fluid before the piston moves and the transmission shifts.
The springs resist these piston movement and therefore fluid accumulation. No springs = faster but more uncomfortable shifting. Larger diameter holes also increase the rate of fluid transfer.


You don't want to throw out all the springs in the 1-2.

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post #10 of 14 (permalink) Old 09-12-2015, 12:51 PM
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After further research I believe I may be getting charge the right price. Assuming these people are doing the correct job. I looked up why a rebuild is more expensive. I see now that a rebuild would last longer than buying another stock transmission which would just wear out again
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post #11 of 14 (permalink) Old 04-11-2016, 02:10 PM
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Is This mod useful?

Zak Garcia
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post #12 of 14 (permalink) Old 04-11-2016, 02:27 PM
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Yes. It's a highly recommended transmission upgrade.

Mods? Yea, I got mods ...
Air silencer delete, warp drive, dilithium crystals, flux capacitor, Slingshot Rubber band power adder, Moonshine & Gas, Leaf Blower Supercharger, Hamster Wheel & Hamster, Energizer Bunny generating 1.21 gigawatts, Mr. FusionŽ Home Energy Reactor, hover conversion and a sextant celestial navigation system (The original GPS)
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post #13 of 14 (permalink) Old 04-11-2016, 02:55 PM
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Loved it on my 95, not so much on Brenda's 96 as it made it shift at 4k WOT. But it was her car, and she didn't go WOT much. My 95 still shifts at 5200 WOT.

I don't think I am going to do it on my 97. Don't want to have to buy a tune to restore a 5000-5200 shift point. Some of us have a stock car otherwise, and don't need a tune.

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post #14 of 14 (permalink) Old 04-11-2016, 10:25 PM
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I did it on my CrownVic here recently. 3rd is still sluggish...

But cleaned up everything else.

95 SC 5-speed The Toy in Storage now.
95 SC Auto Newest storage queen.
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