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91
Decoding/Numbers / Re: Help with 618 casting number
« Last post by ZLP955 on December 03, 2016, 09:45:16 PM »
An explanation of the 'M' coded block, from CRG's drivetrain decode info:
Quote
"M"-Coded Blocks
There is one exception to the normal block casting date convention that has been observed: some blocks have been seen with "M" cast codes. Research by the Saginaw Metal Casting Operations of GM Powertrain Division has found that these "M" codes are not date codes, but actually a foundry code used to indentify parts that were made to evaluate a casting process change. After evaluating the parts, the blocks would either be destroyed or released into production. There is no way to determine the date an "M"-coded block was poured.
92
General Discussion / Re: Sheet Metal Stamping info & ??'s
« Last post by ZLP955 on December 03, 2016, 09:40:59 PM »
I may be missing something, but an 02D car was final-assembled around the end of February 1968, not sure where the 'late 1967 calendar year' fits in, unless you're referring to drivetrain component casting or assembly dates (as opposed to car build date)?
93
Garage Talk / Re: Driving your Camaro this holiday?
« Last post by Vince on December 03, 2016, 08:53:50 PM »
That's a nice car.  Is that Frost Green? 
94
Decoding/Numbers / Re: Help with 618 casting number
« Last post by Mingles905 on December 03, 2016, 08:47:03 PM »
Hmmmm id definately love to keep the 327 aswell, but I measured the stroke and it's slightly more then 3.5" so now I'm not sure what I've got again.   Lol.  I guess I'll pull the pan off when I get some time and see.  I have to strip it down to send off to the machine shop anyways.  The cylinders are inaccurate but there's a small ridge at the top of each cylinder so I'm hoping I can go .30 over and it will be enough. 
95
Maintenance / Re: 69 RF brake lock up?
« Last post by Rufcar on December 03, 2016, 08:03:52 PM »
That's what I thought too. Im going to order a matched set as its the only thing left. Tkx
96
Maintenance / Re: 69 RF brake lock up?
« Last post by 1968RSZ28 on December 03, 2016, 07:49:12 PM »
Im going to but 2 new front calipers, should they be single piston or double?

Jim,

The '69 Camaro came from the factory with single-piston disc brake calipers.  The 4-piston disc brake calipers were used only in '67 and '68.

Paul
97
Maintenance / Re: 69 RF brake lock up?
« Last post by Rufcar on December 03, 2016, 07:41:46 PM »
update: Today I changed out the distribution block and bleed the system. Tested car right side still locks up. I switched lines same ting. I ran new lines, Same thing, right side still locks up? The only thing I can see is the right side has a GM  stamped caliper single piston and the left side has no markings , single piston. Maybe the previous owner bought a mismatched set? Im going to but 2 new front calipers, should they be single piston or double? It is the only thing I have not changed. Any ideas or suggestions? Tkx JIm F
98
Decoding/Numbers / Re: Help with 618 casting number
« Last post by bertfam on December 03, 2016, 06:42:58 PM »
Well then, there you go!

327's are GREAT engines! Way unappreciated in my opinion. I've had several 55-57 Chevy's and a few other cars with 327's and they ran very strong. If the internals are good, I'd stay with the 327, but that's just me.

Ed
99
Decoding/Numbers / Caveat Emptor...another tag mismatch
« Last post by william on December 03, 2016, 05:15:54 PM »
http://www.ebay.com/itm/1969-Chevrolet-Camaro-Base-Hardtop-2-Door-/311752193627?forcerrptr=true&hash=item4895e0f65b:g:t-QAAOSwnHZYQJEz&item=311752193627

Has an 11C Van Nuys body tag but ad lists a Norwood VIN 124379N521236. Body tag looks undisturbed so the VIN tag and stampings need to be verified.

100
Maintenance / Re: 69 RF brake lock up?
« Last post by Rufcar on December 03, 2016, 05:10:12 PM »
MC was brand new last yr and was exactly the same as the one that was on and yes it matches factory. I just now changed out the distribution block and will hopefully bleed today.  Tkx jim
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