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vacuum line routing

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Old Nov 6, 2019 | 04:16 PM
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Default vacuum line routing

I have a 1969 corvette L46.. 350/350 hp

I would like for someone to show me how the source vacuum line should be routed. I am including a photo of the line I am referring to..

Is what I am showing correct or does it rout along the engine firewall.
Thanks for your help

Last edited by ballen06; Nov 6, 2019 at 04:17 PM.
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Old Nov 6, 2019 | 07:30 PM
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Can't say for absolute sure (on a 69) but every other one I've ever seen is in front of the distributor as you show there. (With the wiper / washer behind I don't think there's really enough room to jamb another set of lines either)
That said, I'm used to seeing the white filter a lot closer to the splitter/check (maybe 3-4") and then into the manifold fitting which is pointed more towards the driver side
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Old Nov 6, 2019 | 07:33 PM
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Alan's 71
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Old Nov 6, 2019 | 10:54 PM
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ballen06 that's correct
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Old Nov 7, 2019 | 03:28 AM
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Thank you very much. I will reconfigure my setup.

Incidentally your engine compartment is awesome!
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Old Nov 7, 2019 | 06:46 AM
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Originally Posted by ballen06
I have a 1969 corvette L46.. 350/350 hp

I would like for someone to show me how the source vacuum line should be routed. I am including a photo of the line I am referring to..

Is what I am showing correct or does it rout along the engine firewall.
Thanks for your help
The AIM will show the proper "clocking" of the manifold vacuum fitting.
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Old Nov 7, 2019 | 07:09 AM
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Originally Posted by ballen06
Thank you very much. I will reconfigure my setup.

Incidentally your engine compartment is awesome!
That's certainly not mine there. The engine is from Alan71 (former member) who had a vast selection of images that were posted when he was active.
M

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Old Nov 7, 2019 | 08:47 AM
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Very helpful thread as I'm replacing my vacuum filter and check valve with the correct type.
I'm looking for the correct (size and style) that runs from the manifold fitting to the filter and then to the check valve.
I'm only finding complete vacuum hose kits. Does anyone know where I might source a single length of the correct hose?
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