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327 heads back from the machine shop, whoo hoo! |
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dogbone
AMC Addicted Joined: Mar/13/2008 Location: TN Status: Offline Points: 702 |
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Posted: Mar/18/2016 at 9:34pm |
Picked up my heads from the machine shop today. Man they look nice. All new valves, guides, exh. seats, springs, keepers and a three angle valve job. They pained them a dark grey and it looks nice, but I'm planning to paint them red to match the rest of the engine.
I did find a small medallion the shop glued on the exh. manifold side, guess it's an overheating indicator for warranty purposes? |
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64 Cross Country Wagon 770, 79 VW Scirocco, 70 Porsche 914-6, 82 Subaru Brat, 1991 Autozam
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Ramblage
AMC Addicted Joined: Apr/29/2008 Location: Fresno, Ca Status: Offline Points: 706 |
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Heads looks sharp!! Are you building a stock engine or mild build? Those (heat tabs) Are for warranty purposes just in case the owner ever overheats their engine that might damage the head (warp) them which the shop can use that against you. The center part melts at I believe 250 degrees so don't ever overheat your engine!
Edited by Ramblage - Mar/18/2016 at 11:02pm |
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1960 Customized Land Barge Rambler Super with Dodge 360 & 5spd
1971 Silver Bullet Javelin w/232 Engyne! 1972 Crappy Green Javelin w/401 and AW4, still in the works |
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amcenthusiast
AMC Addicted Joined: Jul/02/2012 Location: SW Atlanta GA Status: Offline Points: 1778 |
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...this thread should go in the 'member project' section? where we just show what we're doing?
Edited by amcenthusiast - Mar/19/2016 at 5:33am |
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MarlinSteve
AMC Nut Joined: May/11/2009 Location: Lake Geneva WI Status: Offline Points: 272 |
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I dig it! Nice to see a 327 on the road to recovery.
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rocklandrambler
AMC Addicted Joined: Feb/09/2013 Location: Nanuet, NY Status: Offline Points: 3953 |
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Them sure are purty
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Past AMC's
1974 Hornet X (new) 1975 Gremlin X (new) 1964 Classic 660 Cross Country 1965 American 440-H |
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Rebel Machine
AMC Addicted Joined: Jul/03/2007 Location: Western Il Status: Offline Points: 5118 |
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I knew a machinist who used to do something similar. He'd weld something to the block that would fall off if the engine was overheated. Basically a tattle-tale if someone brought the engine back claiming it was faulty. -Steve- |
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dogbone
AMC Addicted Joined: Mar/13/2008 Location: TN Status: Offline Points: 702 |
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pretty much a stock build, going to use a Eddy 4bbl. and put duals on it. That's seems to be the general consensus on the gen1 engines.
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64 Cross Country Wagon 770, 79 VW Scirocco, 70 Porsche 914-6, 82 Subaru Brat, 1991 Autozam
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Traveller
AMC Addicted Joined: Feb/26/2011 Location: Idaho Status: Offline Points: 1011 |
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The little disc is a heat tab. If the temp goes over 260 or so, the center melts out leaving the ring. We used them for warranty issues on newly rebuilt engines, and also as an indicator for down the road when something needs rebuilt again. If they come in on old heads, we know they've been previously rebuilt. If they were melted, we know that the motor was overheated, and inspect accordingly. If the heads were aluminum, we might recommend using a new casting.
Gas engines use the 260 heat tab, diesel about 235. |
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gtoman_us
Moderator Group Joined: Jul/10/2007 Location: E. Nebraska Status: Offline Points: 3859 |
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Tip on reassembly.
The rear head bolts are specific. They provide rocker shaft oiling and are drilled. Common mistake is that they are positioned in the wrong opening and you have no oil for the shafts. |
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Moderator - Emeritus
Used to collect trophies, now I collect gas receipts and put on miles 1964 Rambler Ambassador Cross Country Wagon 1965 GTO 1931 Model A original survivor "Flat Roofs are Cool" |
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MarlinSteve
AMC Nut Joined: May/11/2009 Location: Lake Geneva WI Status: Offline Points: 272 |
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Great tip |
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