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Old 02-17-2012, 12:44 PM
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i have to reset timing occassionally to get engine started???

Sbc 350...I'm sure cam duration has a lot to do with this and its a pretty rowdy cam but Yesterday my car ran fine, today I go to move it, it doesn't start...I go to the distributor and advance it, the car fires right up...is it normal to have to do this occassionally? I practically tore my engine apart over the last 4 mos. Just to find out this was the problem...my timing was set at 17 degrees before TDC but it sounded loappy like it wanted to turn off at idle at the stop light. is 17 degrees too much advance? I read 10 degrees is a good start but where should I be aiming to set it at..12 - 14? I'm in the Army and All my tools (timing light) are packed for I'm about to head korea...

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Old 02-17-2012, 01:27 PM
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Need engine and cam specs. C/R, adv. duration, lift, heads, ect.
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Old 02-17-2012, 01:42 PM
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This could be more than a timing issue, carb could be an issue too.
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Old 02-17-2012, 01:54 PM
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Quote:
Originally Posted by 3rdgenmess
Sbc 350...I'm sure cam duration has a lot to do with this and its a pretty rowdy cam but Yesterday my car ran fine, today I go to move it, it doesn't start...I go to the distributor and advance it, the car fires right up...is it normal to have to do this occassionally? I practically tore my engine apart over the last 4 mos. Just to find out this was the problem...my timing was set at 17 degrees before TDC but it sounded loappy like it wanted to turn off at idle at the stop light. is 17 degrees too much advance? I read 10 degrees is a good start but where should I be aiming to set it at..12 - 14? I'm in the Army and All my tools (timing light) are packed for I'm about to head korea...
Not knowing much about your engine, I'll say that the constant need to add timing to the ignition sounds like either the cam drive, what ever that is?, is wearing out; or the cam gear that drives the distributor or the distributor gear that meshes with it is wearing out.

Bogie
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Old 02-17-2012, 02:02 PM
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Its a year one crate it was put in while I was deployed one year and the paper work was lost ...if I had that I would be good to go...I can give you the little knowledge that I have about the engine from the person who put it in tho...its rated at 450hp lol that it...so I'm sure its not going to be near factory timing
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Old 02-17-2012, 02:17 PM
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There's one thing i fail to do after adjusting the dizzy and that's tighten it back down...it just don't seem to be the issue cause the cap never leaves where I set it...
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Old 02-17-2012, 05:48 PM
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well gee i think u just found your problem u haveta tighten it down or of course it will move out of time. even a little viberation while driving wil knock it out of wack
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Old 02-17-2012, 07:01 PM
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Quote:
Originally Posted by wayneooo
well gee i think u just found your problem u haveta tighten it down or of course it will move out of time. even a little viberation while driving wil knock it out of wack
haha,i was first thinking when i read the post was, is the hold down clamp tight.
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