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Author Topic: 69 Z28 Carb accel linkage and vacuum hardline?  (Read 2761 times)
69Z28-RS
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« on: April 23, 2013, 09:45:02 AM »

I'm continuing to find 'loose parts' in my garage from my Z28 which I removed long ago (car not driven in over 30 yrs).  The two parts shown in the pix, I *believe* are from the Z28 302 engine.   The carb accelerator linkage was stored next to the manifold and carb, so I'm *almost certain* this is the original linkage rod.

The vacuum line, with steel parts and two rubber hoses, I just found in a box under my bench, and I also believe this is for the Z28.  If anyone can confirm these parts are for my Z28, I'd appreciate the information. 

PS. I have a *few* cars disassembled in my garage (55, '57 Nomads, El Camino, Camaro, etc) and I *never* throw anything out!.. but after more than 30 yrs, I sometimes can't rely on my memory.. 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
JohnZ
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« Reply #1 on: April 23, 2013, 10:00:32 AM »

Looks like Z/28 bits to me.  Smiley
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'69 Z/28
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69Z28-RS
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« Reply #2 on: April 23, 2013, 11:44:07 AM »

Thanks John!
I was looking for your photos earlier, but couldn't find them searching.. Smiley
When I removed some of those parts, I wasn't expecting it to be 30 yrs before I used them, or I would have boxed/labeled them.... Smiley
Gary
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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
69Z28
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« Reply #3 on: April 23, 2013, 12:29:17 PM »

Hey Gary, 30 years ago we didn't know any better. I bet a lot of thing's went straight into the G file. Finding the stuff like you have after 30 years is great. I can actually see what is missing from my car.

Thanks John!
I was looking for your photos earlier, but couldn't find them searching.. Smiley
When I removed some of those parts, I wasn't expecting it to be 30 yrs before I used them, or I would have boxed/labeled them.... Smiley
Gary
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GaryC

'UNRESTORED' 1969 Cortez Silver X33D80 Z28
68camaroz28
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« Reply #4 on: April 23, 2013, 06:00:27 PM »

Gary, the one thing that jumped out at me immediately was the length & dia. of the small vac. hose end that attaches to the carb. The survivors I have looked at along with our 68Z and John's 69Z looked like this. Just so you could look through your stuff.... Smiley
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Chick
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69Z28-RS
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« Reply #5 on: April 23, 2013, 09:56:40 PM »

Thanks Chick,  I'll check it and see...
 but it's also likely that the hose cracked and swapped for 'whatever was convenient' at the time.. 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
zman1969
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« Reply #6 on: April 24, 2013, 08:04:34 AM »

Gary, what diameter is the vacuuim line and can you measeure the entire length please?
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Rich

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69Z28-RS
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« Reply #7 on: April 24, 2013, 10:19:48 AM »

The longer rubber hose is approx 6.5" in length; I believe it to be original, as it has a 'white line' on it, and is 'old rubber'.   The shorter rubber hose doesn't seem to be original; I think I recall the original was rotten and cracked at the end and I cut a 'too small diameter' hose and tried to squeeze on it..  it's actually smaller than the original rubber hose.
PS:  When I rebuilt my  302 in the '76 timeframe, I ran a Mallory rev pol (all mechanical, no vacuum) and a Judson Electronic Magneto (coil and CD ign), so that's when this line was removed and 'boxed', and hasn't been used since.   I'm continuing to look for the original coil and bracket in my shop.. 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
zman1969
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« Reply #8 on: April 24, 2013, 11:40:28 AM »

Gary I meant the hard line not the rubber - sorry for lack of clarity
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Rich

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69 T/A clone LS6/6sp
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69Z28-RS
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« Reply #9 on: April 24, 2013, 09:34:49 PM »

Not a problem Zman.. Smiley

Attached is a photo of all the parts of the vacuum line, alongside a ruler.. 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
zman1969
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« Reply #10 on: May 01, 2013, 07:32:17 AM »

is it 3/16" tube?
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Rich

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69 T/A clone LS6/6sp
69 Nova SS 396
69Z28-RS
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« Reply #11 on: May 01, 2013, 07:51:09 AM »

Zman,
I'm not sure on how such tubes are measured (ID or OD?).. it's a small tube.
From the photograph I sent, it appears the OD is ~ 3/16" (definitely less than 1/4)..
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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
DDZ28
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« Reply #12 on: May 01, 2013, 08:24:41 AM »

Does any one know where to purchase the steel vacuum tube for the advance. I have bought 2 but they are both bent wrong and once installed in the clip are about 1/2 -3/4" lower than the port on the carb.

Need to find the correct one.
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69 Z/28 Camaro LeMans Blue (Current Ground Up Restro)
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68 Standard Camaro LeMans Blue (maybe a Resto Mod someday)
69Z28-RS
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« Reply #13 on: May 01, 2013, 08:29:27 AM »

Can't you just bend it where you want it to be?
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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
DDZ28
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« Reply #14 on: May 01, 2013, 08:46:04 AM »

No, because when you place it in the clip and maintain it level the rise is to short. And if you try end remove bends and re-bend it will look re-bent, steel is not good bendable material. I will keep looking.

Thanks
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69 Z/28 Camaro LeMans Blue (Current Ground Up Restro)
68 SS Camaro L78 LeMans Blue (9977 Original Miles)(Next Ground Up Restro)
68 Z/28 RS Camaro Corvette Bronze (some where down the restro line)
68 Standard Camaro LeMans Blue (maybe a Resto Mod someday)
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