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02-19-2006, 09:29 PM
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#1 |
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Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,271
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double hump.....question!?
I went and dug out my double humps (three or four sets) and I noticed one set has a Z/2. cast into the intake runners (the center pair looking from the valve side). I have seen literally hundreds of these heads and I have not ever seen this marking, so the question is, are these from the Z/28? They are date coded on 67 and on MORTEC's site they say to be from the 302/327, so is this a super rare $1,000 set of heads or did some come with the stamping that has nothing to do with the model of car they fit? Curious, I am not guaging a value, moreover I am trying to ID these heads. I have done a search on ebay and mortec with no luck? Any SBC head guru's out there?
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02-19-2006, 10:05 PM
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#2 |
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Roadtrip!
 
Join Date: Feb 2003
Location: Grand Rapids MN
Posts: 13,713
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Re: double hump.....question!?
What is the casting # and date code? Straight plug? or angle? 2.02 or 1.94? Accy mounting holes or no? (probably not on the last one) I know they had some variations in the head design. I had a pair of "X" heads awhile back.
__________________
67 gmc custom lwb dakota truck. Sold...And bought back 69 swb 4x4 project (in progress) 70 c-10 lwb texas truck 70 4x4/BB/bkts/posi/tach(retired) 70 swb (wifes) 70 jimmy camper 71 K-5 factory 2wd 71 cheyenne 4x4/tach/posi/ plow rig 71 Cheyenne20 BB, buckets, tach, tilt, 4 speed 72 jimmy CST wyoming rig 72 jimmy Colorado rig 72 lifted texas 4x4 3/4 ton burb 65 fury conv. 383/auto 65 chrysler 300 "L" 413 auto |
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02-20-2006, 09:46 PM
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#3 | |
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Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,271
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Re: double hump.....question!?
Quote:
Casting #'s are 3890462 and the date code is B 5 7, they code out as 67 302/327 heads. My question was, if or what the significance of the Z/2. (does it mean Z/28? or would that be too obvious?) was if there was any? I am guessing they are 1.94X1.50, but they could be 2.02? I read up on them and no mention of the casting stuff on the intake runners. Anybody??? |
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02-19-2006, 10:36 PM
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#4 |
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Registered User
Join Date: Aug 2005
Location: mount airy n.c.
Posts: 243
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Re: double hump.....question!?
check nastyz28.com for decoding all about camaros
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02-21-2006, 12:47 AM
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#5 |
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Out of the carpool lane.
Join Date: Jan 2000
Location: Clark Co, WA
Posts: 5,673
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Re: double hump.....question!?
maybe ask on www.camaros.net
__________________
1968 C-10 SWB, 5.7 Vortec/700R4/3.73 posi, Torch Red 1968 Camaro, 250/Powerglide, all original (No, I'm not gonna drop a 350 in it!...Jeez!) 2000 Honda VFR in the faster yellow! 2008 Husqvarna TE-610 1967 C-10 SWB 'Six Appeal'-Gone but not forgotten... |
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02-21-2006, 01:35 PM
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#6 |
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Registered User
Join Date: Dec 2004
Location: Northern AZ
Posts: 7,271
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Re: double hump.....question!?
I just got off the phone with a year one tech and he seemed to think the Z/2. was a casting ID of some sort with no real meaning. I thought it was odd and had never seen nor heard of it. I'll keep looking, as I doubt it was for nothing, but on the other hand the general did a lot of stuff for no apparent reason. Anyone else ever seen this??
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