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360 ID NUMBERS |
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AZ65440H
AMC Nut Joined: Mar/05/2012 Location: Phoenix, AZ Status: Offline Points: 308 |
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Posted: Mar/23/2012 at 11:02am |
This is suppose to be a 1971 360. Do these numbers on the top rear of the block confirm this (3195528)? The block is stamped 360 on the side of the block.
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AZ65440H
AMC Nut Joined: Mar/05/2012 Location: Phoenix, AZ Status: Offline Points: 308 |
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amc67rogue
AMC Addicted Joined: Nov/05/2008 Location: Phx. AZ. Status: Offline Points: 1578 |
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It has a flat crank flange , it's a 70 or 71 . What part of town are you in ?
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Keith Coggins 67Rogue X code
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AZ65440H
AMC Nut Joined: Mar/05/2012 Location: Phoenix, AZ Status: Offline Points: 308 |
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South Mountain
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farna
Supporter of TheAMCForum Moderator Lost Dealership Project Joined: Jul/08/2007 Location: South Carolina Status: Offline Points: 19611 |
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3195528 is a 360 casting number, but was used from 71-91. The valve cover tag will tell what year the engine was built -- assuming it has the original valve covers on it. This is one thing AMC really screwed up on! No number on the block will indicate year made, just the valve cover tag. The number will be ###L## (three numbers, letter, two numbers). First number is year, but there's a catch! Year starts with "1" as 1959 (first year code was used) and goes through "9" as 1967. Then it starts over with "1" as 1968 again, and repeats through 1979. For 1980 someone got smart and started using the last digit of the year as the first number, and added zero. So 0 = 1980 and counts from there.
You still aren't out of the woods! 1 can be 1959, 1968, or 1977. You have to know that 304s weren't made in 68, so if you have a 304 with "1" as the year it has to be a 1977. If it was a 290 with "1" as year it would have to be 1968, etc. For some engines it's worse. 360s were made in 1980 and 1990, for example, but that's about the only one that spans 10 years (and only in Jeeps). |
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Frank Swygert
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AZ65440H
AMC Nut Joined: Mar/05/2012 Location: Phoenix, AZ Status: Offline Points: 308 |
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Yes I've found out this thi suppose to be 71 390 has one 71 head and one 73 head but the crank appears to be 70-71. I'm just learning about the AMC's and its said that a parts dealer here in the valley would pull a (as a wise man put it) bate-n-switch on me. People are getting desperate i guess.
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70amcpwr
AMC Addicted Joined: Feb/16/2011 Location: Moultonboro NH Status: Offline Points: 1485 |
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70amcpwr You just can't fix stupid.
SOLD 1970 BBO Javelin, wifes 73 AMX 360 4spd. Next project 1969 AMX |
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amx39068
Supporter of TheAMCForum Joined: Feb/21/2008 Location: Arizona Status: Offline Points: 11576 |
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A 1 on the cover tag is a 68 engine. A 2 is a 69. I have had more than one tag from engines made late in the year, like 11-24 and as far I know, the tag is always specific to the year the engine was made not the model year of the car. So for example, a 111W24 would be an engine made in November 24, 1968. Likewise, the engine in the tag below would be a 1968 (1) 390 (W) made on June 19th (x06x19).
On the 360 in the picture, That 360 has a 70 or 71 crank but from a PM from Eric, it has 73 090 heads, one with a very late 12-15 '72 casting date and one a very early A-8 73 casting.
If it is in fact a 71 block and pistons (can't tell by the tag as those are not the correct valve covers due to 360s never coming with chrome covers) with 73 heads the compression will be 8.5:1 engine as the 4bbl and 2bbl engines used the same 28cc dish pistons for both versions of the 360 in 71. And unless there is a 360 version that I am unaware of, they only came in N and P versions no matter what year they were made but from 71 and up, the only difference between the two was a 2bbl intake or 4bbl intake respectively. Otherwise the rest of the engines were identical other than the 4 bolt dampener and raised flange compatible 727 flex plate or flywheel from 72 and up. Edited by amx39068 - Mar/24/2012 at 7:34am |
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Dan Curtis-Owner and CEO AZ AMC Restorations; Facebook: https://www.facebook.com/amcmusclecars/ & Curtis Real Estate Development
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AZ65440H
AMC Nut Joined: Mar/05/2012 Location: Phoenix, AZ Status: Offline Points: 308 |
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Yeah the only tag on these valve covers is the 71 he wrote on the (he says) stainless valve stock valve covers.
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amx39068
Supporter of TheAMCForum Joined: Feb/21/2008 Location: Arizona Status: Offline Points: 11576 |
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One more thing that I forgot to mention. Based upon the oil grunge on the passenger's side in the picture from the rear of the engine, that head has been on that block for a while.
What does not make sense however, is the areas around motor mount bolt boles over and below the freeze plugs look like they have been exposed for quite a while so it is hard to believe that the engine was just removed from a car. From the look of the engine overall and the areas around the engine mount bolt holes in particular, it suggests the engine has been out of a car for quite a while.
Even more unfortunate is that the original intake is not there and the Torker is just put so who knows how much grit and grime got into the valley area from either the intake being removed without first being properly cleaned or worse, if it sat around for a while without an intake on it at all. Phoenix area dust storms get dirt and grit in every little nook and cranny if not properly covered up. Edited by amx39068 - Mar/24/2012 at 7:47am |
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Dan Curtis-Owner and CEO AZ AMC Restorations; Facebook: https://www.facebook.com/amcmusclecars/ & Curtis Real Estate Development
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