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#1
08-26-2005, 07:57 AM
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Re: 1969 Z-28 041 heads
My car has 186 heads and is an SS350 car and the heads are original.
I doubt any 041 head came on a 69 z28. 041 heads came on Tonawanda built engines in the many cases I have seen. I have never seen a documented DZ engine with 041 heads.
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1969 Camaro RS/SS Azure Turquoise 1969 Camaro Z/28 Azure Turquoise 1984 Camaro z/28 L69 HO 5 speed 1984 Camaro z/28 zz4 conversion 1987 Monte Carlo SS original owner 
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#2
08-26-2005, 09:03 AM
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Re: 1969 Z-28 041 heads
Honestly dont know guys, the book said application so I went off that, and as far as I can tell these are stock looking heads with screw in studs and big stock looking valves, spring pockets are stock "not" "cut" /opened up for oversize springs, no Z expert by a long shot but they sure looked stock to me.
Mortec says the same thing....I would agree Colvine may be wrong, but Mortec surely would have corrected any typo being a online site that can be corrected with a key stroke. 3947041....69-70...302/350......"Right angle" casting identifier, 64cc chamber, accessory holes, good HP head I will take this to pm with Rob, but just so we are clear I am very honest and dont sell Junk, and if I dont know about something I tell ya up front if its junk or what ever. I also will take back anything from a member on this site minus shipping if they think they dont like whatever they picked up. no offense taken, this is just for all the lurkers that dont speak up much I dont want them wondering wtf?? about me. Bud.
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#3
08-26-2005, 03:37 PM
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Re: 1969 Z-28 041 heads
69 Z/28 heads have pressed in studs. I believe the LT1 186 heads started the screw in studs. I am not really going by a book just memory. Could be a little foggy these days.
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#4
08-26-2005, 04:39 PM
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Re: 1969 Z-28 041 heads
[ QUOTE ]
I am not really going by a book just memory [/ QUOTE ] Your memory is as sharp as a tack! 
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1969 Z28 1972 Corvette
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#5
08-26-2005, 06:10 PM
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Re: 1969 Z-28 041 heads
I believe Colvin's book also lists 041 heads for 70 Yenko deuces.I discussed this with Marlin some time ago, and so far none have been found with them on.
They're a very good head.
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#6
08-26-2005, 07:21 PM
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Re: 1969 Z-28 041 heads
To our knowledge and research, the Z28 engines came with 186's from the factory, and the replacement head was the 041. Several claims have been made that the 041 was factory installed, so we checked into it and found none. In addition to the Z28's, we checked every deuce we could and every deuce has the 186's.
I wonder what the Certified Stock ruling would be on this issue? If you pulled the cover and found a pair of 041's, would they bounce you - Rob?
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Marlin 70 Yenko Nova-350/360, 4speed M21, 4.10 Posi (Daddy's Ride) 69 SS Nova-396/375hp, 4speed M20, 3.55 Posi (Benjamin's Ride) 67 RS Camaro-327/250hp, 2speed Glide, & 3.08 Open (Danny's Ride)
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#7
08-26-2005, 07:42 PM
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Re: 1969 Z-28 041 heads
[ QUOTE ]
They're a very good head. [/ QUOTE ] So, they would be good heads to have on a properly built SB?
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Rob 69 <font color="orange">HO</font> Z-28
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#8
08-26-2005, 08:14 PM
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Re: 1969 Z-28 041 heads
Just as good if not better than the 186 head.
Bud: I don't doubt your honesty in any way, and that was not my intent when "hijacking" this thread. I was just curious. Glad no offence was taken. Lynn
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