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Old 02-22-2013, 04:21 PM
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700R4 Question

I just picked up a 305 TPI engine and 700R4 transmission out of a 1991 Z28 with 63K miles on it.

I got to hear the engine run in the car before I bought it. The car was a creampuff but the guy picked up an LS1 he wanted to put in the car.

I'm going to put this combination in my '57 Chevy pickup. But, it is probably going to be at least a year before it's in and running.
It's now been about 2 months since I got it and the only thing I've done so far is separate the transmission (1FZM model) from the engine and set it on the floor of my shop.

I will assume the fluid has never been changed in it but I don't know that's the case.

So, my question is what I should do to the transmission now in preparation for storage for at least a year?

Btw, I found it on craigslist and it was exactly what I was looking for to put in the pickup. I think I got a steal on it too. Paid $1000 for the combo including all the accessories and ECU.

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Old 02-22-2013, 09:57 PM
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Pictures always make things more interesting.

Pictures of the car right before the engine was removed:





A few days later here's the engine/transmission in the back of my El Camino:



Here's the pickup it's going into: (This project is for my wife. My car is a '55 Bel Air.)





She won't drive it the way it is now. It's got a 235 6 cyl and a 3 speed on the column that pops of of second sometimes. But, it's the manual steering that is the real problem for her. Of course she wants A/C and a new paint job too.
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Old 02-22-2013, 10:12 PM
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Very nice!!...My advice is that you do nothing to it for now.I'd leave the fluid and the converter in it,put it in a plastic drum liner to keep your floor oil free, and stow it away in a dry corner somewhere.Then when you're ready to install it,flip the converter into a bucket to drain it,change the front and rear seals,throw a filter and pan gasket on it ,dress it up,and away you go...Thats gonna be a really nice conversion when it's done.Good luck with it.

Last edited by rick 427; 02-22-2013 at 10:21 PM.
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Old 02-22-2013, 10:26 PM
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Thanks!
The drum liner is a great idea. It does seem to continue to drip from the cooling line ports onto my shop floor.
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Old 02-22-2013, 10:29 PM
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Roger,pull the converter and wrap it seperately...that'll stop the fluid from coming out of the cooler line ports.
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Old 02-23-2013, 08:17 AM
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Originally Posted by rick 427 View Post
Roger,pull the converter and wrap it seperately...that'll stop the fluid from coming out of the cooler line ports.
Will do. Thanks again.
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Old 02-27-2013, 05:59 PM
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I agree with rick... I am not sure or not, if it matters if there is ATF in it or not.. Not sure if having no ATF in it during storage will dry out the seals and give you internal leaks or not... For me, just to be safe I would make sure the ATF does not drain out during storage....
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Old 06-26-2014, 07:01 PM
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Follow up Questions

Bringing this back to the top because I'm within 2 days work of firing this setup up. It's been 17 months since it's been running now. Answers to my questions will be appreciated.

I left the fluid in the transmission until last fall when I cleaned up the transmission, painted it and installed it in the chassis. Here's a pic from last October when I did that:



I drained as much fluid as I could get out of both the transmission and torque converter. I pulled pull the pan and put in a new filter. I didn't change the seals, I had forgotten that that was suggested here. I'll go with it the way it is and deal with it if there are leaks.

So my questions now are:

How much transmission fluid should I buy?
What's the best brand of fluid?
How much fluid do I put in initially before firing the engine?
Should I get any additive or conditioner?

Btw, here's how the engine looks in the bay:



I haven't painted the exterior of the truck yet. I did paint the firewall though before installing the cab back on the frame.

Here's my build thread if anyone is interested:

I guess it's about time I start a project thread for my wife's '57 3200 pickup.

Last edited by roger1; 06-26-2014 at 07:27 PM.
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Old 06-26-2014, 07:37 PM
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What did you do with the motor you took out of the truck?
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Old 06-26-2014, 07:39 PM
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What did you do with the motor you took out of the truck?
I sold the old 235 and 3-speed for $150
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Old 06-26-2014, 08:03 PM
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I sold the old 235 and 3-speed for $150
Man that hurts. Just what I need for my '51. Looks like your wife is in for one very nice truck.
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Old 06-27-2014, 06:34 AM
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I'm assuming you didn't get all the fluid out of the torque converter because there should be at least a qt. & a half of ATF in it before you fire it up. Fill the trans. up to the dip stick line, start the engine an let it run for about 30 sec. then shut it down. Then refill the the trans. and start it again for 30 sec. & shut it down. Keep doing that until the fluid level stays the same. I'd start off with 2 gals. of Dex 3. That might be a little more than you need but it would be a good idea to to a fluid change after a 100 miles or so. No additive needed.
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Old 06-27-2014, 08:15 AM
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Quote:
Originally Posted by dogwater View Post
I'm assuming you didn't get all the fluid out of the torque converter because there should be at least a qt. & a half of ATF in it before you fire it up. Fill the trans. up to the dip stick line, start the engine an let it run for about 30 sec. then shut it down. Then refill the the trans. and start it again for 30 sec. & shut it down. Keep doing that until the fluid level stays the same. I'd start off with 2 gals. of Dex 3. That might be a little more than you need but it would be a good idea to to a fluid change after a 100 miles or so. No additive needed.
Thanks for the tips.

I tried to pour as much fluid out the torque converter as I could but I know there is still some in it. How much I don't know.

Why do you say to do a fluid change after a 100 miles?
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Old 06-27-2014, 08:36 AM
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Quote:
Originally Posted by roger1 View Post
Thanks for the tips.

I tried to pour as much fluid out the torque converter as I could but I know there is still some in it. How much I don't know.

Why do you say to do a fluid change after a 100 miles?
If you did as suggested, place the convertor hub down in a pail, almost 100% of the fluid would have drained out.

Dump 4 - 5 quarts in and fire it up.
Run the shifter through the gears and add fluid until it is between the full and add marks.

No need to shut it off and restart.
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Old 06-27-2014, 07:24 PM
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Why do you say to do a fluid change after a 100 miles?
Just as a flush, your option.
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