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Friday, April 19, 2:48:31 [ Login ] [ Contact Forum Admin ] [ Main index ] [ Post a new message ] [ Search | Check update time | Archives: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]

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Date Posted: 20:59:11 09/07/13 Sat
Author: Dan
Subject: My block is a 69 dated block with the original timing cover and balancer . I'm not sure what a behind the water pump timing mark is, but yes the mark is on the driver side. When I had the engine running before this build I had no problem with timing. Today I started pulling the front of the engine apart, I'm going to recheck my cam timing with the degree wheel.
In reply to: Dan 's message, "I just finished rebuilding and breaking in my sbc 350. During breaking the engine needed 55 deg timing at 2000 rpm to stay running, also kept my #5 and #6 header tube from glowing. At idle the timing was at 40 deg. At idle it was popping at the exhaust and would burn you eyes rich. The engine ran before this rebuild. I installed dart heads, hydraulic comp cam, air gap intake and a high pressure oil pump. 750 holley and MSD igniton. My cam degree in at 106 deg. Anybody have a idea where to start looking why my timing is so high?" on 00:28:19 09/07/13 Sat


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Replies:

  • I just finish degreeing the cam, it came in at 106. My balancer is 10 degrees off, so I made a mark on the timing tab were TDC should be. I haven't restarted the engine yet, but I think my timing will still be high. The initial was 40 minus the adjustment to the balancer marks (10) will equal 30 degrees. I'm still going to have the popping in the exhaust and if I turn the timing back my #5 and #6 header tube will start glowing. Does anyone think my spark plugs could cause a problem. I'm using auto lite racing plug that Dart recommended in there instruction sheet.. My compression is 10.5 : 1 (NT) -- Dan, 01:00:27 09/08/13 Sun
  • Double check your wires for correct fireing order on the cap. Are you sure you dont have a 7-4 swap on your cam? (NT) -- just a thought., 09:45:57 09/08/13 Sun
  • Could also be that the carb is just plain jetted too rich or the idle screws are set too rich. Turn the idle screws in all the way and then back them out 1 and 1/2 turns to start with. (NT) -- Straight Axle 64 Nova, 17:34:41 09/08/13 Sun
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