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Timing Question

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Joel H View Drop Down
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Joined: 23-January-2018
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Joel H Quote  Post ReplyReply Direct Link To This Post Posted: 23-January-2018 at 5:32AM
I have a 429 that I need to time   Can anyone tell me what the timing needs to be. It starts and runs. But it’s off and u can tell. It hesitates when u try to rev it up and the faster u go it is sluggish
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aquartlow View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote aquartlow Quote  Post ReplyReply Direct Link To This Post Posted: 23-January-2018 at 6:13AM
Welcome to the forum!
  What are some of the engine's specs? (like compression ratio, cam, induction and ignition). If stock, 10-12 degree BTDC is a good place to start with total advance around 34-36(some like more-lower compression ratio and some like less-efficient combustion chamber/higher compression ratio) while using 93 pump gas. If engine work has been done, did they degree-in the camshaft or at least use an early timing set('68-'71)? The '72-'87 429-460 timing sets retard the cam timing 8 degrees and no amount of ignition advance will "fix" this, but engine should still run decent. Could also be a carb issue but no sense in wasting your time tuning the carb and/or ignition if the engine's cam timing isn't what it should be. Try the basics first: like a compression test, plug and wire condition, good running carb and good distributor, confirm no intake or exhaust leaks, vacuum reading at idle and etc. Has it always hesitated/run "sluggish" or just started doing this?
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