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AMX 401 Take 4 |
Post Reply | Page 123 54> |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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Posted: Nov/28/2013 at 9:10am |
Got the next 401 shortblock from the machine shop yesterday. It's stuffed with Wisco pistons and Molnar rods. A Rollmaster timing set turns a Comp roller cam, and it's been degreed properly. They had to take a lot of material out of the crank counterweights to balance them because the new rod/piston assemblies are quite a bit lighter than stock.
I'll post pics of the underside and the build as I go. -Steve- |
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SirDigger
Supporter of TheAMCForum Joined: May/23/2012 Location: Germany Status: Offline Points: 2455 |
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Nice one, just pack it in and send it over
Whats the Material of the Valleyline? Copper? |
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SirDigger&his german Friends are looking for Parts http://theamcforum.com/forum/the-german-amc-forum-ambassadorsirdigger-needs_topic83570.html
1970 Javelin SST 304 1970 Javelin SST 360 |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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Yeah, it's the kit from American Performance.
-Steve- |
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R/W/B
AMC Nut Joined: May/25/2013 Location: Oxford Al. 3620 Status: Offline Points: 419 |
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Steve,
Did you ever find out why the other motor just would not work? I read and saw,from the pictures,the troubles you had with it.Were the cam bores off center from the factory? I am interested,have never seen or heard of this before!!!!--Bill |
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R/W/B Machine
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bulletpruf
Supporter of TheAMCForum Joined: Oct/06/2008 Location: San Antonio, TX Status: Offline Points: 1405 |
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What are Molnar rods? Got pics and specs?
Scott
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Please check out my YouTube channel for vintage car and truck shenanigans! https://www.youtube.com/@THEBULLETPROOFGARAGE
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BassBoat
AMC Addicted Joined: Aug/29/2008 Status: Offline Points: 1714 |
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http://www.campbellenterprises.com/molnar-technologies/molnar-connecting-rods.php
Tom Molnar was the guy behind the K1 rods and cranks. I like the Molnar rods because they use 7/16 bolts instead of 3/8. BB |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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I disassembled the old 401 and looked at it briefly. No tell-tale signs of why it loses pressure after running for a while. It does have the same worn cam bearings as before, despite the cam tunnel being line bored. Only ran it for about 500 miles. There's gotta be a crack somewhere. -Steve- |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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More pics.
-Steve- |
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mcjarv
Supporter of TheAMCForum Joined: Sep/12/2011 Location: Evansville/IN Status: Offline Points: 741 |
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Your engine is very close to my build, Molnar rods, Wiseco pistons but I went with a #7132 Edelbrock cam and their heads, same deal in balance. Your going to like the light rotating assembly,,,,its perky. Good Luck, Mike
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1969 S/C Rogueler , |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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Now you've tempted me with the Edelbrock heads..... maybe sometime in the future I can go that route. -Steve- |
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