Vavuum advance line

[Dale C.]

What is the correct configuration of the vacuum advance line for a 68 BB with the four barrel? The JM (p.56) makes the 390HP 427 sound just like the Small Block. Is it the same steel line with rubber at each end and the orange clip as for the 327? The 390 big block is not listed in paragon but the small block hardware is. I presently have just a single rubber line running from distrib. to carb.
Dale

[Terry B.]

Re: Vavuum advance line

Dale,

The JM on page 56 has it correct. The 2 rubber hoses should have a white line on them and has a black spring clip holding it on to the vacuum advance. The metal line in the middle is held by an orange painted clip for the 427 / 390 hp motor.

[Dale C.]

Re: Vavuum advance line

Terry
Thanks for the get back and the good info. Would you maybe have a picture?
Dale

[Warren F.]

Re: Vavuum advance line

Dale,

I would suggest you check Dr. Rebuild's catalogue. It is on line as well. He has drawings of the steel vacuum line applications.

[Dennis S.]

Re: Vavuum advance line

Dale,

The JM on page 56 has it correct. The 2 rubber hoses should have a white line on them and has a black spring clip holding it on to the vacuum advance. The metal line in the middle is held by an orange painted clip for the 427 / 390 hp motor.

I believe the JM is incorrect when it comes to the spring clip. My original 427/390 car has the correct clip, which I understand from Dave Walters is very hard to come by, but it was black. We read the JM, but Dave said it definitely was not/should not be orange. It has since been redone in black oxide.

[Terry B.]

Re: Vavuum advance line

Dennis,

Please excuse my lack of knowledge regarding your source but who is Dave Walters? He does not show up on a search of the members list on the TDB. Remember we are talking about a '68 427/390, not the higher hp.

[Dale C.]

Re: Vavuum advance line

Terry

Thanks to all
Dale

[Terry B.]

Re: Vavuum advance line

Dale,

Here are the pictures you requested. Let me know if you need anything else.

[Dennis S.]

Re: Vavuum advance line

Dennis,

Please excuse my lack of knowledge regarding your source but who is Dave Walters? He does not show up on a search of the members list on the TDB. Remember we are talking about a '68 427/390, not the higher hp.

I guess Dave doesn't spend his time on the TDB..he has written articles for the Driveline though. I am sure many NCRS old timers know him. I just know he has made his living working on Corvettes, owns a couple of L88s and has a warehouse full of parts & fasteners.

I said I have a '69 427/390 car, which was in original unrestored condition when I bought it 5 years ago. Dave told me that he has never seen that clip to be orange on a '69. Maybe it was on the '68 or even the '67 L36, but I didn't ask him.

[Dale C.]

Re: Vavuum advance line

Terry and Dennis
Thanks for the pictures
Dale