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Old 02-04-2008, 08:41 PM
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Engine lifting plates

Anyone use those lifting plates that bolt to your intake manifold where the carb bolts on for lifting your engines ? Do ya' trust those four 1/4 inch studs in an aluminum intake ?
Gene

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Old 02-04-2008, 08:48 PM
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I use them on my 454
The bolts must be tight, and not bottom into the manifold.

On a Chevy the bolts are 5/16, so the bolts that you use must thread into the MANIFOLD at LEAST 3/8"------1/2" is better.
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Old 02-04-2008, 08:52 PM
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OOP'S your right , they are 5/16 , Thanks , Gene
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Old 02-04-2008, 09:51 PM
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RE:Engine lifting plates

I used one to pull and re-install a big block Chevy in my El Camino. Flawless. Make sure the bolts are long enough. If I recall, I was told once that a 1/4-20 bolt has a tensile strength of over 1000 lbs. This was from a mechanical engineer. And I remember that I thought he was crazy, till he showed me the proof of a grade 5 bolt, I was floored. I found a webpage that has a really handy list of this information as well as torque info. It's here: http://www.derose.net/steve/resource...les/bolts.html

Here is a photo of the engine it was dropped in as you see it WITH the turbo 400 transmission attached to it. All in one shot.
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Old 02-04-2008, 10:09 PM
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There was a thread like this a while back..fun one too.

Lifting a motor by the intake

Later, mikey
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Old 02-04-2008, 10:28 PM
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Lifting Plates

Tools work when correctly used. There is always a horror story somewhere! Personally, the force on the plate is tensile strength. When using a chain that has a bolt through it and lifting on a 45 or a 90deg angle, (such as a bolt on the front and back of the block or the intake bolts on corners) you are now using shear strength which is much less than tensile strength. (not saying any way is right or wrong, just my observations) I used the lifting plate that's on the motor and a leveler to tilt the engine as needed. Never had a problem. If you like using the chain and intake/block bolt method, it works too (I have done it a bunch of times) Just be safe! If the threads on the intake were iffy, I would have not used the lifting plate. But I managed to put the motor as pictured with the trans, torque converter all attached in to the vehicle, and without incident.
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Old 02-04-2008, 10:57 PM
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I only pointed out that thread to show what others here have said before, and to show that a search of the site is a good way to start when a guy has a question...

I have an engine lifting plate, (2 actually), and I have one of those hand cranking balance bar things..

I use them both as well as regular old chains ..

Ine time I dropped a 5.0 with a T-5 behind it while using a chain with 2 5/16" bolts in the intake side of the heads. It came down on the end of the trans and then the block fell on the cowl of a sunbeam alpine.

I replaced the bolts with grade 8 in the same holes and picked it up again.

Then I did bodywork..

Crap happens. .

Later, mikey
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Old 02-04-2008, 11:09 PM
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re: Engine lifting plates

I couldn't agree more with you. We all learn from our mistakes. Just gotta be safe. That's what it's all about. If you don't think it's safe, then dont.
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Old 02-05-2008, 04:44 PM
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I have been using a lifting plate for years...I like them a lot better than the other way.
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Old 02-05-2008, 05:15 PM
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O.K. But would you guys trust using a lift plate when you only have 2 holes to bolt to? Remember, I have a 2 bbl. carb on my 305...


In a while, Chet.
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Old 02-05-2008, 05:15 PM
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Quote:
Originally Posted by powerrodsmike
.........
Ine time I dropped a 5.0 with a T-5 behind it while using a chain with 2 5/16" bolts in the intake side of the heads. It came down on the end of the trans and then the block fell on the cowl of a sunbeam alpine.

I replaced the bolts with grade 8 in the same holes and picked it up again.

Then I did bodywork..

Crap happens. .

Later, mikey
How much would you have to recess the firewall to fit a jag v12 in one of those lil Brittish cars?
Thanks
Shane
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Old 02-05-2008, 05:23 PM
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Quote:
Originally Posted by schnitz
O.K. But would you guys trust using a lift plate when you only have 2 holes to bolt to? Remember, I have a 2 bbl. carb on my 305...


In a while, Chet.
Yes if you have a plate made for two holes...I think it would be all right. When we used to pull them with a chain , we only used two holes. A lot of two barrel carbs have 4 bolt holes though....even the old Rochesters on my tri-power set up ....they have four bolts
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Old 02-05-2008, 05:23 PM
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Thanks guys , I think i'll try a lifting plate.
Gene
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Old 02-05-2008, 08:05 PM
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I've made 'em in tne past from scrap steel plate and a u-bolt from a muffler hanger.
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Old 02-06-2008, 05:55 AM
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Quote:
Originally Posted by Henry Highrise
Yes if you have a plate made for two holes...I think it would be all right. When we used to pull them with a chain , we only used two holes.
Me also, but they were 3/8" bolts into the heads. Don't know if I would trust 2 5/16" bolts into the carb mounting flange .

Vince
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