RE: IML: exhaust manifold studs for chrysler Big Block 413

[Geoff Simpson <kiwiimp65@xxxxxxxxxxx>]

To all traumatised exhaust manifold people here s a tip I got from an Irish fella who was doing exhuasts for a living;
Before you attempt to undo the flange nuts /bolts spray them with water while they are still at running temp. He had a garden spray pump on hand and said he never had broken bolt problems. unlike myself who almost always did. No more. Geoff Simpson

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To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: exhaust manifold studs for chrysler Big Block 413
Date: Tue, 5 Feb 2008 12:59:43 -0500
From: spicemanii@xxxxxxx

If you cannot get a broken stud, anyone, I have removed them with ease from a simple tool. A Dremel tool. I use a disc cutter and carefully make an even, straight slot across the broken stud and try to not cut the block as the iron will cut easy. Use a disc almost the size of the blade of a stubby screwdriver. Sometimes it will come out easy. If not, I then use a vise grips on the blade of the screwdriver and it will help twist is off. For those cars in the salted areas of the world, I have never had to remove one of those as salt here is for food, not roads. So, good luck, joe machado
   ps, the studs should be the same for a 440, but not the magnum engines with the high rise manifolds. They use a nut that is longer and is hollow to be installed over the stud in the head.


-----Original Message-----
From: pnkmoore@xxxxxxxxxxxxx <pnkmoore@xxxxxxxxxxxxx>
To: mailing-list@xxxxxxxxxxxxxxxx
Sent: Tue, 5 Feb 2008 7:25 am
Subject: IML: exhaust manifold studs for chrysler Big Block 413

What are "brash nuts" or was that just a typo? Are they something miraculous that will dispense with the danger of frozen manifold nuts/broken studs? 
 
Patrick 
 
Rob van der Es wrote: 
> Hi list, 
> 
> I have finally found myself a good driverside exhaust manifold for my > 1960 Imperial. 
> Last summer I broke the flange of my original manifold (front pipe hit > a large roadbump..) and although it was welded again it still leaks a > little (problably a warped flange due to welding....). 
> 
> During the removal I snapped 3 manifold studs, they were broken off > flush with the head. 
> I was able to remove two studs by drilling them out carefully, without > damaging the threads. 
> Since I couldn't find the manifold studs anywhere I used bolts then to > secure the welded manifold again. 
> The third broken stud couldn't be removed at that time, there was (and > is..) no room for a conventional drill. 
> This is the last one on the driverside of the car. 
> Recently I found my self an angled drill (90 degrees head, total > tickness only 3 inches!), so I should be able to drill that last one > out too! (after preparing myself mentally for this terrible job..) 
> 
> Then I will be finally able to mount an original exhaust manifold > without any repaired cracks :) 
> And to do the job real good, I want to replace my 3 broken studs with > new ones. 
> 
> Does anyone have a source where I can buy 
> 
> a) 3 new exhaust manifolds studs (stainless steel would be great, but > standard will also do) 
> b) 6 brash nuts (to avoid future trouble when I ever have to remove > that manifold again, which heaven should forbid!) 
> 
> Thanks, 
> 
> Robert 
> 1960 Imperial 4Dr HT 
> 
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