HELP!!! Bad bog and 50 degrees total timing? - Page 3 - Hot Rod Forum : Hotrodders Bulletin Board
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  #31 (permalink)  
Old 06-04-2008, 11:24 PM
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Originally Posted by solidaxel
,,,,,,,,, NO, we had two NEW carbs Edelbrock and a Holley same results.
Also had two HEI both known good dist. same results.
I am trying to do the simple items first before we look at removing the oil pan and timing cover to check the alignment of the timing marks.
This a NEW GM crate engine 350, but I guess it is possible for even the factory to make a mistake!
Tomorrow we we put a top dead center tool in No 1 and verify the damper first thing!!

Darn.. Yep. sounds like its mis-timed. 1 tooth retarded. The cam, that is

Or, if you are checking timing with the vac canister connected, you should see 50-53 degrees.

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Last edited by hardhatz; 06-04-2008 at 11:32 PM.
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  #32 (permalink)  
Old 06-04-2008, 11:39 PM
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Quote:
Originally Posted by hardhatz
Darn.. Yep. sounds like its mis-timed. 1 tooth retarded. The cam, that is

Or, if you are checking timing with the vac canister connected, you should see 50-53 degrees.
....




,,,,,,,,,,NO vacuum is on manifold (full) and highest reading on gauge, then check with timing light and it is at 50* at idle without the vacuum hooked up to the dist. The thing runs great and has good power and no bog from idle and the temp is on the thermostat! Also used TWO different timing lights (turn back) same reading!!
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Old 06-04-2008, 11:51 PM
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Oh...
well maybe its just an incorrect tab

Tell you the truth, I like setting it on the road better than with a light anyway.
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Old 06-05-2008, 12:56 AM
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GO with Rick

I agree with Rick. BUT, check top dead center on the engine. I use a dial indicator through the spark plug hole for this. I then mark that spot on the balancer and time according to that. Most parts stores sell stick on MR Gasket timing marks for most popular engines.

If your car does not sound like you have a dead battery when you go to start, have ZERO power in the high RPM range, and overheat quickly then your timing is not as high as you think it is.
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Old 06-05-2008, 06:32 PM
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I posted on this thread earlier with a similar complaint. I solved mine, it was the balancer. Usually I see a spun balancer, it is out a considerable amount. This time, it was retarded 35 deg. So when I set my base at 15, and added manifold vac of 15, I was actually at 5 deg ATDC. What a difference a TDC tool can make!

Thanks!
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Old 06-20-2008, 09:11 PM
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I don't know if this is true. A friend told me that you when you have an msd box, you can't use a digital timing light. Does this make any sense?
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  #37 (permalink)  
Old 06-20-2008, 09:44 PM
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Originally Posted by Eagle1
I don't know if this is true. A friend told me that you when you have an msd box, you can't use a digital timing light. Does this make any sense?
My Snap-on one wigs out every time I have tried to use it with MSD.
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Old 06-20-2008, 10:07 PM
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Thanks for all the help and suggestions folks!

The problem has been corrected with the right tools....A Top Dead Center Tool.

Marked the Balancer at TDC with the Zero mark on the tab and set the timing accordingly, runs great, no heat,but now working on gas mileage!!!
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Old 06-29-2008, 05:00 PM
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thats funny i have a 350/330 gm crate and is haveing the same problems boging when you stomp on the gas i tried every thing but just droped a new dist in because i was told it might be the module i put it in it helped alot but still bogs a little
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