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#31
12-18-2014, 01:42 PM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
Is that crankshaft salvageable; looks pretty beat up.
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#32
12-18-2014, 02:08 PM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
Believe it or not, the engine did spin free after it blew up. I did not try to spin it when I bought it.
As far as the crank goes, the jury is still out. It depends if it is cracked. The mag powder doesn't lie. Jason
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#33
12-18-2014, 02:29 PM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
Absolutely crack check! And don't believe the theory of stand it on a rag and tap with a hammer to get a good "ring" ... UGH!!!
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You've never lived until you've almost died -- for those who fight for it, life has a flavor the protected will never know!
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#35
12-19-2014, 01:32 AM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: SuperNovaSS</div><div class="ubbcode-body">Yes, the block was lightly surfaced at some point. The assembly code is V0321DZ and the partial VIN is 19L528983.
  </div></div> My friend's RS Z/28 has the same large 2 in the VIN stamp, a few hundred from yours. You need to save that motor! Check out this VIN stamping, it is the same on the M22 also. What happens is a stamp will break and they will just grab another one: 
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1962 Oldsmobile Jetfire, Factory all Aluminum V8 Turbocharged and Methanol Injected TURBO ROCKET engine, 4 speed Hydramatic, 4 link rear suspension, 3.36 Anti-Spin differential, California car, PS, PB, PW, AC, Jetfire 2 option package.
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#36
12-19-2014, 02:55 AM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
Good stuff Jason.Very informative and interesting!
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https://www.youtube.com/watch?v=gkDf7PPRzJ0
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#37
12-20-2014, 08:37 AM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: ss427copo</div><div class="ubbcode-body">Two words: Boat Anchor. </div></div>
[img]<<GRAEMLIN_URL>>/haha.gif[/img]
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I currently own a 1969 Camaro SS350. Although the original drivetrain is long gone, this 4/speed car has a March '69 HC coded block with #041 heads. The transmission is an M20 Muncie #660 case and the rearend is a BS coded 12 bolt posi. Built in Van Nuys.
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#38
02-07-2015, 05:22 PM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
Hey guys,
I thought I would just give an update for those following this thread. The block came back from the machine shop with the only cracks being in the 2 cylinders I showed in the pictures. It is fixable and is being sent to Australia along with the oil pan which will be installed in a real Z/28 with a very close VIN. The intake went to Australia to be installed on yet another Z. The heads had no damage other than the one bent valve and have gone to the South where they will bring another Z/28 a little closer to correctness. The crank was found to have no cracks so it was sent to Engine Warehouse in Sacramento, CA to be checked, welded, and turned. It came back a few days ago and looks awesome. It cleaned up at 10/10. Jason
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#40
02-07-2015, 06:03 PM
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Re: Disassembly of a 69 Z/28 DZ Three Oh Blew Engine
The journal got a bit beat up by the rod:
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