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oil pan gasket removal ?

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Old Jan 5, 2013 | 11:35 AM
  #1  
Shep5B's Avatar
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From: New York
Car: 1985 IROC-Z H.O. 4bbl
Engine: L69 Small-Block, 305
Transmission: Borg-Warner T5
Axle/Gears: 3.73
oil pan gasket removal ?

So i got to change my oil pan gasket (1-peice) on the iroc and the rear main seal ( 2-peice)

Just wanted to make sure i didnt fk anything up. but i disconected the crossover pipe at both manifolds, took the diz off, dust pan, starter, and the engine mount bolts. now am gona jack it with a block of wood on the oil pan. but the only thing i was wondering was (do any of you take out the trans mount bolt), cause wouldnt that sht be lock into place as i jack the engine up.

but other than that any of yall got any tips or tricks for this job ?

(1985 Iroc-Z L69 Small Block 305 4bbl H.O.)
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Old Jan 5, 2013 | 12:10 PM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: oil pan gasket removal ?

The transmission mount is flexible enough to allow several inches of lift on the engine.
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Old Jan 5, 2013 | 12:24 PM
  #3  
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From: morrow, ga
Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: oil pan gasket removal ?

You wont be able to get the pan completely out but enough to get the job done.
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Old Jan 5, 2013 | 12:28 PM
  #4  
Shep5B's Avatar
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From: New York
Car: 1985 IROC-Z H.O. 4bbl
Engine: L69 Small-Block, 305
Transmission: Borg-Warner T5
Axle/Gears: 3.73
Re: oil pan gasket removal ?

Well. Do you think they will be enough room for me to do the rear main seal. If not. Couldnt i just drop the trans and get more clearence to take the oil pan out?
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Old Jan 5, 2013 | 03:50 PM
  #5  
Shep5B's Avatar
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From: New York
Car: 1985 IROC-Z H.O. 4bbl
Engine: L69 Small-Block, 305
Transmission: Borg-Warner T5
Axle/Gears: 3.73
Re: oil pan gasket removal ?

??????????????????????
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Old Jan 5, 2013 | 06:53 PM
  #6  
skirkland1980's Avatar
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From: morrow, ga
Car: 82 S10, 83 280ZX, 84 Z28
Engine: 355 smallblocks..na, 2.8 turbo
Transmission: 85:th350, 84:700R4
Axle/Gears: 85:ford9 4.85, 84:stock 3.24
Re: oil pan gasket removal ?

Did your keyboard get stuck? You will have room to drop the rear main cap and change the seal.
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Old Jan 5, 2013 | 07:21 PM
  #7  
TTOP350's Avatar
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: oil pan gasket removal ?

You have a 1 piece pan gasket and a 2 piece rear seal?
Or your replacing your multi part pan gasket with a 1piece gasket?
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Old Jan 5, 2013 | 09:54 PM
  #8  
Shep5B's Avatar
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Joined: Mar 2012
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From: New York
Car: 1985 IROC-Z H.O. 4bbl
Engine: L69 Small-Block, 305
Transmission: Borg-Warner T5
Axle/Gears: 3.73
Re: oil pan gasket removal ?

Originally Posted by TTOP350
You have a 1 piece pan gasket and a 2 piece rear seal?
Or your replacing your multi part pan gasket with a 1piece gasket?
Yep. Thas correct. Am changing the 4 peice old Oil pan gasket with a new 1 peice Oil pan gasket from fel-pro. And also my rear main is a 2 peice
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Old Jan 6, 2013 | 12:27 AM
  #9  
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Car: 1991 Trans Am GTA
Engine: 350 carbed
Transmission: T5
Axle/Gears: 7.5 10 bolt 4.10
Re: oil pan gasket removal ?

You can get the pan out if you know exactly what you are doing! It takes some work but if you get it just right itll slide right out but it takes some work! Just be prepared!
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Old Jan 6, 2013 | 01:16 AM
  #10  
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From: Il
Car: 1989-92 FORMULA350 305 92 Hawkclone
Engine: 4++,350 & 305 CIs
Transmission: 700R4 4800 vig 18th700R4 t56 ZF6 T5
Axle/Gears: 3.70 9"ford alum chunk,dana44,9bolt
Re: oil pan gasket removal ?

Originally Posted by Shep5B
Yep. Thas correct. Am changing the 4 peice old Oil pan gasket with a new 1 peice Oil pan gasket from fel-pro. And also my rear main is a 2 peice
10-4, its quite a job to do in the car. I have a one piece felpro on my "older" block.
I would also get longer pan bolts and pan rail stiffener bars like the 87ish and up motors have.
I had problems keeping the pan rails sealed until I did that.
Its a big job but not hard. good luck
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Old Jan 6, 2013 | 02:55 AM
  #11  
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From: Houston, Texas
Car: 88' IROCZ
Engine: 388 TPI Motown 350 Race block
Transmission: 700R4
Axle/Gears: 2.77
Re: oil pan gasket removal ?

I just replaced a leaking 2-piece seal, already had a 1-piece pan gasket
My 2 cents:
I use anarobic gasket maker instead of RTV for the bearing cap, in cold weather the Surface Prep Activator is a must, if you don't have a heated garage.
Let it set for a several hours so the most of the oil drains into the pan.
Remove the bolt that connects the trans mount to the trans cross member. You may have to rotate crank as you pull the pan out past the engine cross member.
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