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10-02-2010, 10:51 AM
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#1 |
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Registered User
Join Date: Jul 2008
Location: Tracy Ca
Posts: 171
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Timing Question
1972 chevy 350 stock with a RV cam, HEI, and 5000 miles. I was told to set timing at 8 degrees but it has no power there I went to 12 but still not good. Could I be a tooth off on the distributor?? What is a good set point for timing??/ Also just installed new 1406 edelbrock.
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10-02-2010, 04:33 PM
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#2 |
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Grandpa in the rustmobile...
Join Date: Nov 2008
Location: Spokane WA/Viola TN
Posts: 11,422
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Re: Timing Question
between 8-12 on stock motor for initial timing (vac. adv. plugged)
Put #1 piston at TDC compression stroke (blows your finger off hole) drop in dizzy so that rotor is pointing at #1 sparkplug wire tower
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John Goose-1968 C10 355,9.32-1CR, Vortec Heads ,262 voodoo, 3.73:1 3OTT (HS ride/beater/farm truck) http://67-72chevytrucks.com/vboard/s...d.php?t=317684 Grams 53-1953 Chevrolet Belair http://67-72chevytrucks.com/vboard/s...=1#post4327784 1969 Chevy C10 Shortbed 4.5/6?" Frame off resto http://67-72chevytrucks.com/vboard/s...d.php?t=548136 1999 Toyota Tacoma 4x4 |
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10-02-2010, 07:43 PM
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just can't cover up my redneck
Join Date: May 2004
Location: Columbus OH
Posts: 11,414
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Re: Timing Question
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You can review the site's rules here. Quote:
Bad planning on your part does not necessarily constitute an instant emergency on my part.... The great thing about being a pessimist is that you are either pleasantly surprised or right. 
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10-02-2010, 09:19 PM
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"I ain't nobody, dork."
Join Date: Sep 2007
Location: Whidbey Island, Washington
Posts: 8,948
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Re: Timing Question
What "RV" cam?
"RV" is too universal when it comes to decribing a cam. Gary
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'cuz chicks dig scars... My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread. The Rebuild of Creeping Death after the wreck Quote:
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10-02-2010, 09:27 PM
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#5 |
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Account Suspended
Join Date: Oct 2009
Location: Sammamish, WA
Posts: 2,404
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Re: Timing Question
It's more likely the advance mechanism causing lack of power than the initial timing. There's a long-winded but accurate post linked below that is the right place to start.
http://67-72chevytrucks.com/vboard/s...d.php?t=290498 Then you can take a look at the carb...although since you just installed it it's worth checking right away that the butterflies are vertical at full throttle from the pedal. Last edited by Ticker; 10-02-2010 at 09:28 PM. |
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10-02-2010, 11:00 PM
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#6 |
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Registered User
Join Date: Jul 2008
Location: Tracy Ca
Posts: 171
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Re: Timing Question
Ok you are all correct. The timing was way advanced. I was checking with vac advance connected. Its running OK now just a little rough at first acceleration. Some more carb adjusting will fix that. Sorry about the RV cam term. Will check into that. Once again this forum has come through for me. Thanks
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10-02-2010, 11:11 PM
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#7 | |
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Msgt USAF Ret
  
Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,717
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Re: Timing Question
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VetteVet metallic green 67 stepside 74 corvette convertible 1965 Harley sportster 1995 Harley wide glide Growing old is hell, but it beats the alternative. |
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