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Author Topic: 69 Z28 stuff  (Read 543 times)
mainmansam
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« on: May 29, 2014, 01:04:34 AM »

Will check this out tomorrow if anybody is interested     http://spokane.craigslist.org/pts/4491971923.html     
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69Z28-RS
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« Reply #1 on: May 29, 2014, 07:51:10 AM »

1969 camaro z 28 parts on Craigs list... the ad reads:  "Have some neat original z28 parts,,,, 12 bolt 3.73 posi BU CODE RARE PIECE $2000.00. Dash housing (or gauge carrier ) like nos mint. $400.00 , console and gauges and 4 speed shift plate new and new harness for gauges nice set up $800.00 , seatbelt set 1969 black with retractors. $250.00 , 302 engine parts. 618 4 bolt standard block , redone 186 heads all are dated k-68 heads are all new with valves 202 screw in studs and guide plates.,, z intake. 472 casting. , 302 steel crank. 1178 casting , set of standard 11.1 forged pistons. 2400.00. For all"

Might be some good deals there if any of you need these parts...?
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
cam69aro
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« Reply #2 on: May 29, 2014, 08:48:46 PM »

i wish i had some spare cash, would be nice to pull my numbers matching motor and put the one for sale in mine. save some miles on it and could have a lot more fun knowing i would`nt be hurting my numbers matching parts if anything were to happen
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Eldon W
1969 Black Z28
X77 03E 38,000 miles
unrestored
69Z28-RS
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« Reply #3 on: May 29, 2014, 10:13:27 PM »

i wish i had some spare cash, would be nice to pull my numbers matching motor and put the one for sale in mine. save some miles on it and could have a lot more fun knowing i would`nt be hurting my numbers matching parts if anything were to happen

you don't need a 'DZ' on the pad to have fun with a 302....    remembers the ones (made by boring 283's in the early 60's)... ruled the street in lightweight cars.. Smiley   but the best way to do this is with a 327 or 350 block and 283 crankshaft...  boring a 283 by 1/8" is chancey at best.. Smiley
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
ZLP955
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« Reply #4 on: May 30, 2014, 04:18:40 AM »

remembers the ones (made by boring 283's in the early 60's)... ruled the street in lightweight cars.. Smiley   but the best way to do this is with a 327 or 350 block and 283 crankshaft...  boring a 283 by 1/8" is chancey at best.. Smiley
Classic old hot rodder's trick, takes me back. I remember the guys in the know would always seek out an early 283 block, apparently they had much thicker walls than later castings and could handle a 0.125" over bore without much risk of hitting water. Can't recall the preferred block casting number(s) though.
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Tim - New South Wales, Australia
04A VN '69 z/28 69-69 715 ex-E/MP
69Z28-RS
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« Reply #5 on: May 30, 2014, 08:41:34 AM »

remembers the ones (made by boring 283's in the early 60's)... ruled the street in lightweight cars.. Smiley   but the best way to do this is with a 327 or 350 block and 283 crankshaft...  boring a 283 by 1/8" is chancey at best.. Smiley
Classic old hot rodder's trick, takes me back. I remember the guys in the know would always seek out an early 283 block, apparently they had much thicker walls than later castings and could handle a 0.125" over bore without much risk of hitting water. Can't recall the preferred block casting number(s) though.

I remember hearing two different things....   1) '59 283 blocks, and 2) Canadian blocks... and I have NO idea how these would be different....?
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
Kelley W King
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« Reply #6 on: May 30, 2014, 10:03:06 AM »

My memories recall certain Nova 283,s being different. A friend who Pro raced in the 70,s always said they were stronger and had more meat but I cannot remember why he said they were.
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69 Z28 RS Scuncio Hi Performance
69 SS L78
67 SS Chevelle
64 Corvette
66 GTO Tiger Gold
77 Trans Am Special Edition
z28z11
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« Reply #7 on: May 30, 2014, 10:07:20 AM »

i wish i had some spare cash, would be nice to pull my numbers matching motor and put the one for sale in mine. save some miles on it and could have a lot more fun knowing i would`nt be hurting my numbers matching parts if anything were to happen

you don't need a 'DZ' on the pad to have fun with a 302....    remembers the ones (made by boring 283's in the early 60's)... ruled the street in lightweight cars.. :)   but the best way to do this is with a 327 or 350 block and 283 crankshaft...  boring a 283 by 1/8" is chancey at best.. :)

In order to use the 283 crank, which is forged steel (and a dang good crank), you have to pick a small journal block. A 350 will relegate you to using the 657 '67 block, but you can also use the earlier 327 blocks to good advantage. You'll have to use a 302 piston for pin placement with a 5.7" rod and 3.00" stroke. Otherwise, you can feel like Zora Duntov when you put one of these together. Top it off with a pink stripe 30-30 Duntov cam, a set of 2.02/1.60 small chamber heads, and instant '67 Z karma. Love it -
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1968 Z28 BRG/W
1969 Z28 X77 LeMans/W
1969 X66 L78 Cortez/BVT
1969 Z11 L48
CNorton
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« Reply #8 on: May 30, 2014, 10:49:48 AM »

My memories recall certain Nova 283,s being different. A friend who Pro raced in the 70,s always said they were stronger and had more meat but I cannot remember why he said they were.

If memory serves correctly, the Nova blocks were cast with the oil filter boss on the driver's side of the block raised somewhat in order to clear the clutch linkage.  Because those blocks were only used in Nova applications, it was apparently not cost effective to cast a separate block for 283 and 327 usage.  Since the casting had to be able to accommodate a 4" bore, any block that began life as a smaller bore 283 had somewhat thicker walls.  I've always encouraged my Stock Eliminator guys who run 283 combinations to search out Nova blocks for that reason.  As I said, I'm relying on recollections that are over 40 years old and I'm currently having difficulty remembering what I had for breakfast, so...
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69Z28-RS
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« Reply #9 on: May 30, 2014, 01:14:21 PM »

My memories recall certain Nova 283,s being different. A friend who Pro raced in the 70,s always said they were stronger and had more meat but I cannot remember why he said they were.

If memory serves correctly, the Nova blocks were cast with the oil filter boss on the driver's side of the block raised somewhat in order to clear the clutch linkage.  Because those blocks were only used in Nova applications, it was apparently not cost effective to cast a separate block for 283 and 327 usage.  Since the casting had to be able to accommodate a 4" bore, any block that began life as a smaller bore 283 had somewhat thicker walls.  I've always encouraged my Stock Eliminator guys who run 283 combinations to search out Nova blocks for that reason.  As I said, I'm relying on recollections that are over 40 years old and I'm currently having difficulty remembering what I had for breakfast, so...

That makes sense to me.... and I think a LOT of us here have problems with those 35-40 yr old memories.. Smiley

and Steve said:
In order to use the 283 crank, which is forged steel (and a dang good crank), you have to pick a small journal block. A 350 will relegate you to using the 657 '67 block, but you can also use the earlier 327 blocks to good advantage. You'll have to use a 302 piston for pin placement with a 5.7" rod and 3.00" stroke. Otherwise, you can feel like Zora Duntov when you put one of these together. Top it off with a pink stripe 30-30 Duntov cam, a set of 2.02/1.60 small chamber heads, and instant '67 Z karma. Love it -

I love it too...  but I think we are 'living in the past'.. Smiley    based on all the good stuff going on nowadays in the engine world!! Smiley
PS.  At one time you could buy 'spacer bearings' to allow use of a small journal crankshaft in a large journal 350 block.. but I never used one, although I thought about possibilities for many years.. Smiley
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Gary W.  /  69Z28-RS, 72 B 720 cowl console rosewood all tint
69 Corvette convertible, silver/black 350 hp,
60 Corvette white/red, 72 Corvette coupe (2), 
90 ZR1 red/red #246, 90 ZR1 white/gray #2466
72 El Camino, '55 Nomad, '57 Nomad, '57 B/A Sedan
ZLP955
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« Reply #10 on: May 30, 2014, 07:24:39 PM »

Reminds me of an engine build (ok, an ever-changing test bed) that Eric at Vintage Muscle Cars has, there is a great thread over at yenko.net here http://www.yenko.net/ubbthreads/ubbthreads.php/topics/415017/1
A little slow to get going, but well worth the read over a couple cups of morning coffee!
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Tim - New South Wales, Australia
04A VN '69 z/28 69-69 715 ex-E/MP
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