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#1
02-11-2009, 12:28 AM
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Vacume Advance Can P/N
Hey Guy's , Does anybody have the P/N to the Vacume Advance Can that only puts out 10 degrees advance ? Thanks...
65lemans 
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#2
02-11-2009, 02:11 AM
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Try an Echelin # VC1809 can.
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#3
02-11-2009, 06:22 AM
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Even the VC1809 may have the range shorten some for 10 degrees at crank?
VC1809 (stamped B27), starts at 5-7 in/hg, max advance 9 degrees at distributor (18 at crank) @ 10-12 in/hg. |
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#4
02-11-2009, 07:55 AM
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Thanks Guy's....
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#5
02-11-2009, 10:37 AM
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The NAPA vacuum advance units are quickly becoming extinct. I suspect the same from other sources.
A few months ago we went thru our list of part numbers, and all but 3 vacuum units had been discontinued. You may end up getting a B-1 can and reducing the travel to obtain exactly 10 degrees at the crank. I can't provide the exact part numbers from NAPA, etc as we lost that information when our hard drive crashed.......Cliff
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If you can read this, thank a teacher. If you can read this in English, thank a Veteran! https://cliffshighperformance.com/ 73 Ventura, SOLD 455, 3740lbs, 11.30's at 120mph, 1977 Pontiac Q-jet, HO intake, HEI, 10" converter, 3.42 gears, DOT's, 7.20's at 96mph and still WAY under the roll bar rule. Best ET to date 7.18 at 97MPH (1/8th mile), |
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#6
02-11-2009, 12:22 PM
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I was using dist degrees, not crank when he said 10º.
Sounds like the Crane kit would fit the best. 
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John Wallace - johnta1 Pontiac Power RULES !!! www.wallaceracing.com Winner of Top Class at Pontiac Nationals, 2004 Cordova Winner of Quick 16 At Ames 2004 Pontiac Tripower Nats KRE's MR-1 - 1st 5 second Pontiac block ever! "Every man has a right to his own opinion, but no man has a right to be wrong in his facts." "People demand freedom of speech to make up for the freedom of thought which they avoid." – Socrates |
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#7
02-11-2009, 12:56 PM
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I found this awhile back and found it quite useful. I went with the B1 (Part# VC680 NAPA) myself and limited the advance. Specs and part numbers in the back. All the part numbers I looked at were available from NAPA in the Denver area.
http://www.corvette-restoration.com/...c_Adv_Spec.pdf Damn sure can't argue with Greg though...
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 Johnny US Army Retired1978 T/A 463 Pontiac, KRE 74cc 292CFM D-ports, Lunati VooDoo, V-max lifters, TKII, ATM 850 E85 carb, TCI TH-350 race tranny, 3600 converter 3.73 12 bolt 11.63@116.68mph 1981 T/A 4-speed 406 Pontiac, Merrick ported 6X heads, Comp 270S cam, Crosswind intake 750 Street Demon, 3.42 30 spline Eaton posi street car. 1980 Formula 350 Pontiac back burner project 1972 LeMans 350 Pontiac Last edited by Johnny406; 02-11-2009 at 01:02 PM. |
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