390 intake removal

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Apr 29, 2012 | 11:55 PM

eradicator006

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Joined: Sep 2010

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390 intake removal

I'm trying to remove the intake manifold on my '73 390 2 barrel. It's the original cast iron intake manifold. Is there some sort of trick to getting it off? I cannot break it free. Is there some sort of trick to this? I've tried breaking it free with various flat head screw drivers and pry bars.

I've taken all of the intake bolts out (10 of them). Valve covers are off, push rods are removed and rocker assemblies are removed too. Carb and distributor are also off of the engine.

Apr 30, 2012 | 12:15 AM

kbrenner536

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Joined: Dec 2010

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Heel bar and elbow grease lol. The cast intakes weigh like 80 pounds

Apr 30, 2012 | 01:31 AM

Yeehaw1

Senior User

Joined: Apr 2012

Posts: 446

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From: By God West Virginia

Small (sledge?) hammer, and a pry bar, smack it to loosen it up, then get the bar worked in there, and smack it again, repeate around the intake untill it's loose enough to pull off.

Apr 30, 2012 | 10:34 AM

RKDxpress

Tuned

Joined: Mar 2011

Posts: 361

Likes: 7

From: Bliss NY

I always use a chainfall or an engine hoist.

Apr 30, 2012 | 10:58 AM

Archion

Logistics Pro

Joined: Jan 2007

Posts: 3,827

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From: Martinsburg, WV

Engine hoist and a carb plate adapter.

Apr 30, 2012 | 11:32 AM

whistle1516

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Joined: Oct 2010

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From: Pleasant Hill, Mo.

Going to need 4 grown men lifting and one beer runner.

Apr 30, 2012 | 03:08 PM

kwe45919

Elder User

Joined: Feb 2011

Posts: 575

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From: Knoxville, TN

Mine seemed it was welded on... or so I thought. A chain and engine hoist just started lifting up the whole engine on the stand. Tried wacking it with a wooden rod and sledge. Still nothing. Sprayed carb cleaner, Kroil, Simple Green and tons of other stuff around it and let it sit over night and then did that again the next morning. Ended up finding a small area to get a prybar under that was eaten away with the chemical. Wacked the pry bar in and with hard yank, the intake poped off and up and into the floor chunking the shop concrete. Barely scratched or dinged the intake...but beat up the concrete.

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Apr 30, 2012 | 08:39 PM

J ballan

Fleet Mechanic

Joined: Jan 2012

Posts: 1,668

Likes: 13

From: Saskatchewan

Cast iron intakes should be illegal....especially on big blocks!

May 7, 2012 | 02:13 PM

#10

eradicator006

Thread Starter

Freshman User

Joined: Sep 2010

Posts: 37

Likes: 0

Finally got it off! The key for me was using a heel bar. Never heard of a heel bar before so I went out and bought a set. It took a few days of prying on it and it eventually let loose.

Thanks!