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07-26-2007, 10:39 PM
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#1 |
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Account Suspended
Join Date: Dec 2005
Posts: 114
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vacuum advance
I'm running a holly 500cfm two barrel race carb no choke and no vacuum. witch leaves me with this one question how do I properly hook up the vacuum advance on my distributor?
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07-26-2007, 10:51 PM
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#2 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: vacuum advance
Try here:
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56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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07-26-2007, 10:58 PM
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#3 |
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Account Suspended
Join Date: Dec 2005
Posts: 114
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Re: vacuum advance
that's where I got it along with the transmission works swell till you drop it in gear. then it looses vacuum and looses power
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07-26-2007, 11:02 PM
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#4 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: vacuum advance
What have you got the time set at? (with vac. unhooked). How much vac. does it pull at idle?
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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07-26-2007, 11:17 PM
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#5 |
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Account Suspended
Join Date: Dec 2005
Posts: 114
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Re: vacuum advance
I think its a couple degrees before. so just not enough vacuum. due to it being an old crappy engine. looking at the thing its surprising that its still running at all. also their is a constant tic coming from inside. it seems to be affecting number two all but sputters on occasion
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07-27-2007, 12:18 AM
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#6 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: vacuum advance
Time is way to low. Advance it to about 10* 10 12* with vac. disconnected from advance.
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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07-27-2007, 12:24 AM
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#7 |
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Account Suspended
Join Date: Dec 2005
Posts: 114
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Re: vacuum advance
rotate counter clockwise to advance?
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07-27-2007, 12:33 AM
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#8 |
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Registered User
Join Date: Jun 2002
Location: Knoxville Tenn.
Posts: 3,058
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Re: vacuum advance
Yep. Keep advancing until it starts to kick back then back off a little.
__________________
56 Chevy Bel-Air 2dr. HT (purchased new) 71 Chevy Cheyenne SWB PU (502HO) 65 GMC short bed step--work in progress and my gofer |
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07-27-2007, 02:02 AM
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#9 |
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Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: vacuum advance
ive got mine set at 10*btdc
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-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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07-27-2007, 05:17 PM
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#10 |
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Registered User
Join Date: Jul 2006
Location: Fair Oaks, CA
Posts: 475
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Re: vacuum advance
Get a full mechanical advance distibutor
__________________
1968 Short Fleet 350/700r4 http://67-72chevytrucks.com/vboard/s...d.php?t=249435 1997 Bagged XtdCab Vortec350/4L60e http://67-72chevytrucks.com/vboard/s...44#post2286144 1993 XtdCab Longbed 4x4 6.5Turbo/NV4500 "Daily Driver" 1985 Toyota XtdCab 4x4 22re/W-56/Dual T-cases, Doug Thorley Header, Homebrew front and rear spring packs, Tons of Mods to suspension and drivetrain, 35" boggers, coming soon ARB's and 5.29's, Possible 4.3/700r4 swap |
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