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What trans fluid for a modded 700R4? #4105059 05/24/16 09:10 AM
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redhat Offline OP
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The Regal build continues, this time, transmission.

I picked up a healthy 700R4 a month ago and am putting in a combination of the 700-2&3 and SK 700 JR TransGo kits. Looking for recommendations on what fluid to run in this. It will be going behind an LM7 LS truck motor. Looking for a decent 325hp. I have heard a lot about using Type F, but then see listings for Type FA. Would prefer to use an over-the-counter fluid.

Thanks.


19 F150 2.7 - M1EP 5W-30, FL2062, 2k
17 Taurus Limited AWD - M1 5W-20, FL500S, 25k
87 Regal Limited - 20W-50 VR1 WIX 51042
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105075 05/24/16 09:30 AM
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Jimzz Offline
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I would think most good Syn Dex3 spec fluid like Valvoline maxlife would work fine.

But also make sure to have a trans cooler as even the best fluid can't help if the trans gets to hot.


yup
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105177 05/24/16 11:25 AM
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crazyoildude Offline
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Did you ever think to ask the rebuilder for his or her opinion


Check To See That The Oil Jugs You Buy Have The Exact Amount Of Oil In Them And Have An Inner Seal Under The Cap. I Use Mobil 1 And Fram Ultra Filters
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105186 05/24/16 11:31 AM
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Prune_Juice Offline
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What kind of transmission fluid did the 700R4 spec?

Re: What trans fluid for a modded 700R4? [Re: redhat] #4105194 05/24/16 11:39 AM
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yvon_la Offline
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Truck driver
Nissan versa note s 2014 total classic 5w30(qc.ca) drivework oil filter
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105213 05/24/16 11:59 AM
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redhat Offline OP
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I am the rebuilder. Putting these kits in myself.


19 F150 2.7 - M1EP 5W-30, FL2062, 2k
17 Taurus Limited AWD - M1 5W-20, FL500S, 25k
87 Regal Limited - 20W-50 VR1 WIX 51042
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105216 05/24/16 12:00 PM
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Ramblejam Offline
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Originally Posted By: Prune_Juice
What kind of transmission fluid did the 700R4 spec?


What kind of fluid did your Blazer's spec?

700R4 = 4L60/65/70

Valvoline MaxLife ATF is entirely appropriate, and widely available at under $18/gallon.


Re: What trans fluid for a modded 700R4? [Re: Prune_Juice] #4105220 05/24/16 12:02 PM
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redhat Offline OP
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Originally Posted By: Prune_Juice
What kind of transmission fluid did the 700R4 spec?


Spec'd Dex III back in the day.


19 F150 2.7 - M1EP 5W-30, FL2062, 2k
17 Taurus Limited AWD - M1 5W-20, FL500S, 25k
87 Regal Limited - 20W-50 VR1 WIX 51042
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105237 05/24/16 12:16 PM
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Miller88 Offline
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I'd go with Dex III or Dex VI


18 Forester 2.5I 6M
00 Jeep XJ
01 F-350 4x4 5M
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105239 05/24/16 12:18 PM
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MolaKule Offline
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How are you going to be using this Blazer? Tracking, off-roading, towing, daily driver, what?


The 700R4 speced Dexron III/Mercon.

I have rebuilt many of these for my former Suburbans.

I would use either Amsoil TorqueDrive or Redline D4 if you are not going to be Tracking, off-roading, or towing.

If you will be towing or off-roading or tracking I would use the Redline High-Temp ATF.

The 700R4 is NOT a racing tranny and under no circumstances would I use a type "F" ATF.


The value of a scientific theory is its ability to prompt further study, not that it has any relation to the established facts of scientific reality.
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105251 05/24/16 12:29 PM
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redhat Offline OP
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Where did Blazer come from? This is a THM700R4 going behind a 5.3 LM7 truck motor in a G-Body Regal.

It's going in it for heaters, some fun runs, and general enjoyment. If it lasts a season or two, I'll be happy. I figure it should be a good combo with a N/A or sprayed LM7 before I bite the bullet, go 4L80 and LQ4 with turbos.


19 F150 2.7 - M1EP 5W-30, FL2062, 2k
17 Taurus Limited AWD - M1 5W-20, FL500S, 25k
87 Regal Limited - 20W-50 VR1 WIX 51042
Re: What trans fluid for a modded 700R4? [Re: redhat] #4105325 05/24/16 01:49 PM
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Ramblejam Offline
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Originally Posted By: redhat
If it lasts a season or two, I'll be happy.


I'd much rather spend my money on a good cooler vs. boutique oils.

A standalone Tru-Cool 4590 (11 x 11 x 1 1/2) would be excellent for your car.

Re: What trans fluid for a modded 700R4? [Re: redhat] #4105344 05/24/16 02:09 PM
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redhat Offline OP
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Oh most definitely will be going with a good trans-cooler.


19 F150 2.7 - M1EP 5W-30, FL2062, 2k
17 Taurus Limited AWD - M1 5W-20, FL500S, 25k
87 Regal Limited - 20W-50 VR1 WIX 51042
Re: What trans fluid for a modded 700R4? [Re: redhat] #4117933 06/07/16 07:00 PM
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pjc360 Offline
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Maxlife gets my vote, impressive stuff. My built
Transmission loves it and shifts great with it and runs cool

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