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#585 04/24/2003 3:37 PM
Joined: May 2001
Posts: 1,904
W
'Bolter
'Bolter
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Joined: May 2001
Posts: 1,904
We pulled the 235 and 4-speed tranny as one unit last Fall. The radiator cross frame had been cut by a previous owner but we still had to tilt it a lot. The tranny was difficult to get past the firewall.

How hard is it to install the tranny after the new engine is bolted down? I know the 4-speed is really heavy but is it still easier? Thanks.


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
#586 04/24/2003 4:57 PM
Joined: Mar 2003
Posts: 46
M
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WITH AT LEAST AN EXTRA OR MAYBE TWO PR OF EXTRA HANDS AN HOUR OR SO WITH A FLOOR JACK. I JUST DID MY 53 1/2 TON WHEN I CONVERTED TO AN OPEN DRIVE LINE AND IT WASN'T BAD.

#587 04/24/2003 6:00 PM
Joined: Jul 2002
Posts: 188
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Wally, I haven't re-installed yet but when I pulled my SM420. I used a cherry picker engine hoist into the cab with the transmission floor cover removed. Worked great! Good Luck

#588 04/24/2003 6:02 PM
Joined: Oct 2001
Posts: 3,458
4
Extreme Gabster
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I like to do it differantly- I pull the floor cover and seat cushion and use an engine hoist to put it in from the top. It's a one man job that way. A good thing to do is get some studs for the top bolt holes on the bellhousing to use to guide the transmission on, it makes alignment much easier.

(Woo! simulpost with daves. Sorry!)


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A lone amateur built the Ark. A large group of professionals built the Titanic.
#589 04/24/2003 8:37 PM
Joined: Sep 2001
Posts: 29,269
Bubba - Curmudgeon
Bubba - Curmudgeon
Joined: Sep 2001
Posts: 29,269
I always have taken the transmission off before removing the engine; and, I put the engine in by itself before attaching the transmission. The engine hoist ideas given above sound very good. I have used a floor jack or an ex-marine to lift the 4-speed into position (a 3-speed is a toy, by comparison).

Tim

#590 04/25/2003 5:39 AM
Joined: Feb 2001
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If no hoist is available, you can get a strong buddy to help lift it into place using a chain/rope to lift while sitting on the seat. Have one guy below(who trusts the person lifting above).
Use the long bolts(two) with the heads cut off for guide bolts. cut flat spots or slots in the ends to help remove them once the tranny is in place and the other two bolts are holding it in place.


There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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#591 04/25/2003 3:14 PM
Joined: May 2001
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'Bolter
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I'm sure Stevejumpr can one-arm bench press an SM420! But maybe I'll use the hoist. Thanks for the advice!

The Shop Manual tells you to remove the engine/clutch/tranny unit in one piece and to install it the same way. Of course, this is the manual which also tells you to put the engine/clutch/tranny unit on an engine stand. (Huh?) They had different equipment and methods in those days.


1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.
#592 04/25/2003 5:50 PM
Joined: Oct 2001
Posts: 3,458
4
Extreme Gabster
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If you have any old 235 head bolts those are perfect for guides, they have the same threads and they are long.


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A lone amateur built the Ark. A large group of professionals built the Titanic.

Moderated by  Phak1, Woogeroo 

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