GMCforum: GMCnet » Vacuum Advance

Home » Public Forums » GMCnet » Vacuum Advance

Show: Today's Messages :: Polls :: Message Navigator

Re: Vacuum Advance [message #65922 is a reply to message #65921]

Sun, 29 November 2009 09:56

jwillard

Messages: 118
Registered: May 2004
Location: Silver City, NM

Karma:

Senior Member

That is a great article and seems very relevant to our coaches. Here's my final set up...
I've gone with manifold vacuum, the TVS switch is disconnected and will be removed next time the coolant is drained.
I'm pretty sure the static advance was wrong but, I bumped the distributor loosening the bolt so I never got a "before" reading however, when I set it correctly to 8 degrees, the vacuum and idle increased quite a bit. I also saw, at the beginning of this process, that fuel was "dribbling" out of the primary venturies. Once the timing was set properly I was albo to close down the idle screw so the venturies are now dry. This also allowed the actual idle scews to have much more of an effect. I've adjusted them for max manifold vacuum.
Can't want for the test drive. It should be a significant improvement.

Jeff Willard
Silver City, NM
1973 ex-Glacier

Report message to a moderator

[Message index]

		Vacuum Advance By: jwillard on Sat, 28 November 2009 12:46
		Re: Vacuum Advance By: rgleas on Sat, 28 November 2009 12:58
		Re: Vacuum Advance By: Ken Burton on Sat, 28 November 2009 14:02
		Re: Vacuum Advance By: rgleas on Sat, 28 November 2009 14:38
		Re: [GMCnet] Vacuum Advance By: Steven Ferguson on Sat, 28 November 2009 16:18
		Re: [GMCnet] Vacuum Advance By: Ken Burton on Sat, 28 November 2009 17:10
		Re: [GMCnet] Vacuum Advance By: jwillard on Sat, 28 November 2009 17:51
		Re: [GMCnet] Vacuum Advance By: dmumert on Sat, 28 November 2009 18:22
		Re: [GMCnet] Vacuum Advance By: rgleas on Sat, 28 November 2009 20:06
		Re: [GMCnet] Vacuum Advance By: Gary Casey on Sat, 28 November 2009 20:50
		Re: [GMCnet] Vacuum Advance By: Ken Burton on Sun, 29 November 2009 15:45
		Re: Vacuum Advance By: rgleas on Sat, 28 November 2009 17:37
		Re: Vacuum Advance By: Ken Burton on Sat, 28 November 2009 22:09
		Re: Vacuum Advance By: Matt Colie on Sun, 29 November 2009 06:55
		Re: Vacuum Advance By: JohnL455 on Sat, 28 November 2009 18:57
		Re: Vacuum Advance By: JohnL455 on Sun, 29 November 2009 08:09
		Re: Vacuum Advance By: rgleas on Sun, 29 November 2009 08:25
		Re: Vacuum Advance By: mdryan on Sun, 29 November 2009 08:31
		Re: Vacuum Advance By: Ken Burton on Sun, 29 November 2009 08:44
		Re: Vacuum Advance By: Pete Papas on Sun, 29 November 2009 09:02
		Re: Vacuum Advance By: Ken Burton on Sun, 29 November 2009 09:22
		Re: Vacuum Advance By: jwillard on Sun, 29 November 2009 09:56
		Re: Vacuum Advance By: Ken Burton on Sun, 29 November 2009 14:39
		Re: Vacuum Advance By: roy1 on Sun, 29 November 2009 19:04
		Re: Vacuum Advance By: Ken Burton on Sun, 29 November 2009 23:29
		Re: [GMCnet] Vacuum Advance By: USAussie on Mon, 30 November 2009 01:01
		Re: [GMCnet] Vacuum Advance By: Ken Burton on Mon, 30 November 2009 01:53
		Re: [GMCnet] Vacuum Advance By: ljdavick on Mon, 30 November 2009 19:07
		Re: [GMCnet] Vacuum Advance By: mike miller on Mon, 30 November 2009 21:40
		Re: Vacuum Advance By: mdryan on Mon, 30 November 2009 08:01
		Re: [GMCnet] Vacuum Advance By: Jim Bounds on Mon, 30 November 2009 08:47
		Re: [GMCnet] Barbie GMC on eBay (#140362019346) By: k2gkk on Sun, 29 November 2009 11:06
		Re: [GMCnet] Vacuum Advance By: Steven Ferguson on Sun, 29 November 2009 15:49
		Re: Vacuum Advance By: fred v on Sun, 29 November 2009 14:23
		Re: Vacuum Advance By: Bob de Kruyff on Mon, 30 November 2009 16:32
		Re: Vacuum Advance By: Mike_H on Sat, 12 October 2019 10:21

Previous Topic:	[GMCnet] lower steering shaft complete new replacement
Next Topic:	Another "Not News to Us" article

Goto Forum:

-=] Back to Top [=-

Current Time: Sat Jun 22 05:37:34 CDT 2024

Total time taken to generate the page: 0.03019 seconds