Re: Mallory metal in crank
[Re: hudsonhornet7x]
#2850786
11/23/20 11:59 PM
11/23/20 11:59 PM
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Joined: Dec 2003
Posts: 22,697 Bitopia
jcc
If you can't dazzle em with diamonds..
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If you can't dazzle em with diamonds..
Joined: Dec 2003
Posts: 22,697
Bitopia
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Any problem with Mallory metal installed radially in the crank counterweight? As in pressed in and welded to the crank counterweight? Thanks for any advice. As vs circumferential, which I believe is the norm? Others can weigh in, as I have never seen it this way that you are describing or the best term that needs to be used to clarify. So look at me, 20K posts Maybe time to retire, I should start a poll.
Last edited by jcc; 11/24/20 12:02 AM.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
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Re: Mallory metal in crank
[Re: hudsonhornet7x]
#2850795
11/24/20 12:25 AM
11/24/20 12:25 AM
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Joined: May 2019
Posts: 713 Lake Villa Il
INTMD8
super stock
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super stock
Joined: May 2019
Posts: 713
Lake Villa Il
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I'm no crankshaft expert but would sleep better with the weight added axially rather than radially
69 Charger. 438ci Gen2 hemi. Flex fuel. Holley HP efi. 650rwhp @7250 510rwtq @5700
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Re: Mallory metal in crank
[Re: hudsonhornet7x]
#2850910
11/24/20 02:01 PM
11/24/20 02:01 PM
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Joined: Nov 2009
Posts: 3,082 St. Paul , Mn.
tubtar
master
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master
Joined: Nov 2009
Posts: 3,082
St. Paul , Mn.
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Thanks all,
Here is a picture of the work done: I like to see the seam disappear..........that wasn't done very well IMO. Seeing a hint of it is one thing..............seeing a parting line between hole and fill would be concerning.
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Re: Mallory metal in crank
[Re: dragon slayer]
#2851264
11/25/20 08:58 AM
11/25/20 08:58 AM
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Joined: Jan 2005
Posts: 2,540 Milwaukee WI
TRENDZ
master
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master
Joined: Jan 2005
Posts: 2,540
Milwaukee WI
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I never personally did any of this type of work. Seems like it would be very difficult to get a decent press fit, while still being able to fixture the crank for the press. I could see this getting very time con$uming. The guy that did the crank in the turbo engine for me used lead backed up by steel slugs tig welded over it. Seemed to do the job. Couldn’t give you a reason that I would suggest against it.
"use it 'till it breaks, replace as needed"
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Re: Mallory metal in crank
[Re: Hot 340]
#2851636
11/25/20 11:59 PM
11/25/20 11:59 PM
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Joined: Jan 2003
Posts: 7,496 Minnesota
Hemi_Joel
master
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master
Joined: Jan 2003
Posts: 7,496
Minnesota
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One of the Mopars at a fast race in about '04 had it come out, go thru the pan, oil his tires. He scraped the wall. Not worth the risk IMHO.
[img]http://i.imgur.com/boeexFms.jpg[/img]31 Plymouth Coupe, 392 Hemi, T56 magnum RS23J71 RS27J77 RP23J71 RO23J71 WM21J8A I don't regret the things I've done. I only regret the things I didn't do. "Wise men talk because they have something to say; fools because they have to say something. ~ Plato"
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Re: Mallory metal in crank
[Re: TRENDZ]
#2851769
11/26/20 11:30 AM
11/26/20 11:30 AM
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Joined: Oct 2007
Posts: 4,209 New York
polyspheric
master
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master
Joined: Oct 2007
Posts: 4,209
New York
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Mallory metal (Tungsten alloy) is not magic, it's just heavier than the steel removed to make room for it. If you have enough room, lead works very well (you have to use more for the same effect) at 10% of the price (material only).
Boffin Emeritus
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Re: Mallory metal in crank
[Re: cudaman1969]
#2851802
11/26/20 01:08 PM
11/26/20 01:08 PM
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Joined: Jan 2003
Posts: 10,743 North Dakota
6PakBee
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,743
North Dakota
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Decades ago when RHS was making "crate" motors, I participated in a teardown of one of their 440's. It had been internally balanced to allow use of the heavy rods and the weights were inserted radially and welded exactly as the first photo shows. Just a comment, nothing more.
"We live in a time when intelligent people are being silenced so that stupid people won't be offended".
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Re: Mallory metal in crank
[Re: hudsonhornet7x]
#2851816
11/26/20 01:41 PM
11/26/20 01:41 PM
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Joined: Aug 2019
Posts: 9,525 Super Spudsville
Mr PotatoHead
Half Baked
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Half Baked
Joined: Aug 2019
Posts: 9,525
Super Spudsville
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Here is 50 shades of ugly, done in 79 by a crankshaft shop, offset ground and balanced to some odd rods and heavy pistons. Makes a 318 block into a 340 with a hair of a cheater stroke.
Its dead straight and all is equal and it likes 7700 rpm.
More ugly then my sister, but it works.
Would I put it in a race block.... ummm probably not, but it does work and has worked.
STOP POTATO HATE!
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Re: Mallory metal in crank
[Re: Mr PotatoHead]
#2851819
11/26/20 01:48 PM
11/26/20 01:48 PM
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Joined: Jan 2012
Posts: 1,543 USA
hudsonhornet7x
OP
pro stock
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OP
pro stock
Joined: Jan 2012
Posts: 1,543
USA
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Here is 50 shades of ugly, done in 79 by a crankshaft shop, offset ground and balanced to some odd rods and heavy pistons. Makes a 318 block into a 340 with a hair of a cheater stroke.
Its dead straight and all is equal and it likes 7700 rpm.
More ugly then my sister, but it works.
Would I put it in a race block.... ummm probably not, but it does work and has worked.
Wow!!! Well at least it works!!! The crank I posted ( 2nd picture) is/was destined for a supercharged gen III. 800+ horse.
Last edited by DarrinBurt; 11/26/20 01:50 PM.
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