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Author Topic: Intake manifold bolts - 69z28  (Read 1984 times)
sixt9x33rs
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« on: January 12, 2014, 10:37:23 AM »

Guys,

Has anyone seen an original intake manifold bolt with a bolt head that is a "C" with three radial lines? My Silver Z came with a bucket of fasteners and there are these fasteners with the "C" that are the right number and the right specs as the intake manifold bolts. The car had incorrect intake manifold bolts in it when I got it. My original 67 Vette L79 has these type of fasteners installed in the intake manifold so I am thinking these may be correct for the Silver Z.

Let me know your thoughts

Lawrence
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
x77-69z28
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« Reply #1 on: January 12, 2014, 11:36:52 AM »

Lawrence, do they have a shoulder?
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
copo
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« Reply #2 on: January 12, 2014, 03:26:31 PM »

Yes, I remember looking at a nice original 69 Z28 in the early 80's that used the same bolts on the intake manifold.
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sixt9x33rs
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« Reply #3 on: January 12, 2014, 05:49:14 PM »

No shoulder. I will post a picture in a bit
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
sixt9x33rs
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« Reply #4 on: January 12, 2014, 10:32:00 PM »

On second count I have eight "C" head fasteners and two "RSW" fasteners. I am missing the two shouldered fasteners. Let me know if you think these "C" fasteners can be intake manifold bolts.
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
1968 Z28
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« Reply #5 on: January 13, 2014, 12:38:22 AM »

Don't know about a 1969 but my 1968 Z28 had intake manifold bolts like that.
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Jerry G.

Z28-1968-07C-Norwood
Ermine White, Red Std. Interior
2nd. Owner, 38,000 miles
68camaroz28
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« Reply #6 on: January 13, 2014, 08:13:45 AM »

On second count I have eight "C" head fasteners and two "RSW" fasteners. I am missing the two shouldered fasteners. Let me know if you think these "C" fasteners can be intake manifold bolts.

Was for sure one of their used suppliers!  I've noticed that head mfg. marking a lot used at the alternator bracket to alternator.
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Chick
68 Z/28 NOR 01B Orig motor/trans/rear
69 Z/28 NOR 07A Orig Block & GM Cross-ram/carbs
69 L34 Rest. Nova Father/Son Car
69 L78 Surv Nova Purch 4/69 31K miles
67 L89 Corv Tribute
68 Corv 427/400 Orig motor
07 Corv Z06
R 68Z build- http://www.camaros.net/forums/showthread.php?t=182584
BillOhio
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« Reply #7 on: January 13, 2014, 12:36:35 PM »

I have 7 C bolts, One M bolt and 2 A bolts. All the same marks just different letters
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1969 Z28, Burgandy, numbers matching, 12,900 miles
1967 Plymouth GTX Hemi, 4 speed, dana
1961 Chrysler 300G convertible
x77-69z28
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« Reply #8 on: January 13, 2014, 01:49:11 PM »

I have never seen a "C" intake bolt, but they sure look like intake bolts.
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69 x77 burnished brown, 711 int 05A bought in 78
67 rs/ss 350 butternut yellow 4 speed 2nd owner
70 Z28 forrest green, green int, M40, bk vinyl roof PROJECT
99 SS hugger orange 6spd NO TTOPS bought new 1 of 54
11 cts-v blk diamond  edition wagon 556hp sick!
copo
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« Reply #9 on: January 13, 2014, 02:15:50 PM »

The bolts are same as the ones I saw on the 69 Z28.
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sixt9x33rs
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« Reply #10 on: January 13, 2014, 08:53:28 PM »

The bolts are same as the ones I saw on the 69 Z28.
Which Z copo?
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
sixt9x33rs
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« Reply #11 on: January 18, 2014, 09:09:41 AM »

Guys,

I went to the junk yard yesterday and found a few good engines with the original intake manifold fasteners on them. First off I ran across a 1965 "HB" coded block. 327/300 HP four speed HP engine in an old Chevy pickup. The intake manifold bolts had the "C"  and "M" head marks. I harvested all 12 and now are soaking in a bucket of Simple Green. I then ran across a 68 Impala with the "HJ" stamped block. 327/250 four barrel PG engine. This engine still had the original lifting hooks with the "shouldered fasteners". The shouldered fasteners had "FP" head marks. Most of the intake manifold bolts had already been removed from this intake manifold but I did remove one which was coded "CS" inside a circle with three radial lines. Lastly, I ran across a 67 four door Chevelle. This car had the 327/275 PG with AC installed. I was running out of time so I just took one intake manifold bolt out of it and it was a "M". I also got a decent 834 alternator with a Jan 20 1969 date code from the 65 Chevy Truck. Went to Autozone to test it and it passed. Pretty funny....So in summary I am going to put on the Silver car the "C" head mark intake manifold fasteners that came in a box with other parts. I am guessing these were on the car originally. When I got the car the engine had just been rebuilt and the engine shop used new fasteners on the intake.

Lawrence
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
69Z28freak
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« Reply #12 on: January 18, 2014, 10:17:50 PM »

As far as I know the intake bolts were un-shouldered except for the bolts on the engine lift brackets. They should be shouldered.
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Mike 1969 Grandma Camaro
sixt9x33rs
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« Reply #13 on: January 18, 2014, 10:19:14 PM »

As far as I know the intake bolts were un-shouldered except for the bolts on the engine lift brackets. They should be shouldered.


I agree. That is what I found in the junkyard, and what I put on my car.
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'69 RS Z/28 Olympic Gold, 711
Flat hood no spoiler, black top, endura, 4:10
POP 39,000
69 X77 Z/28 69 711 Original Paint Unrestored
'69 X66 Convertible Cortez Silver 712 black top Endura, auto, bumper guards, am/fm rear speaker 44k miles
69Z28freak
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« Reply #14 on: January 18, 2014, 10:23:04 PM »

As far as I know the bolt head marking should be an "M".
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Mike 1969 Grandma Camaro
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