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10-24-2013, 11:13 PM
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#1 |
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Registered User
Join Date: Oct 2013
Location: West Des Moines, IA
Posts: 367
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Another timing question.
I have 383 with stock 350 heads 625 cfm demon carb 204/ 214 or 224 ? @ .050, .420"-.442" 112 lsa cam with TH350 and power brakes.So I have timing set to 0* with vac line pulled as of right now my timing markers only go to 14 or 16* advance and I am not going to worm my way in there to some how mount a wider degree marker to block. I am pulling 12*-14* on vac advance from what I can tell. So from what I read 36* total time is what I need. That would put me 24*-22* idle timing. Since my markers dont go high enough and I don't want to ruin my engine how should I time vehicle?
Vac timing comes to mind @0* I am right about 10-12 lbs of vac. I am unsure how to vacuum time a vehicle. I want to get this right and I am assuming all other fuel portions are within tune what options are there or how do I time it?
__________________
Project Fast 'n' Loud
72' C10 SWB Fleet, Faux Patina, 383 ci stroker The Page: http://67-72chevytrucks.com/vboard/s...d.php?t=608214 |
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10-24-2013, 11:21 PM
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#2 |
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Registered User
 
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: Another timing question.
Get a timing light with an advance dial on it and use the 0° mark.
__________________
1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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10-25-2013, 12:38 AM
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#3 |
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Registered User
Join Date: Oct 2013
Location: West Des Moines, IA
Posts: 367
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Re: Another timing question.
I don't have the extra cash to get another light from what I see they are bout $100 just dont have that to drop right now but I appreciate info didn't think of that but just can't afford it. Is there any other options?
__________________
Project Fast 'n' Loud
72' C10 SWB Fleet, Faux Patina, 383 ci stroker The Page: http://67-72chevytrucks.com/vboard/s...d.php?t=608214 |
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10-25-2013, 01:05 AM
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#4 |
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Registered User
Join Date: Oct 2013
Location: Rt 66 Gallup, NM
Posts: 527
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Re: Another timing question.
Do it the redneck way then.... that is keep advancing, test drive and when you get detonation, back off a little. Or at least use a vacuum guage.
__________________
2005 GMC K2500HD D/A 1993 GMC K1500 2011 Subaru Legacy. 2013 Subaru Outback 1970 C-10 2WD, SWB stepside, 292, TH350, PS, more rust than anything. God is my pilot. 
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10-25-2013, 10:50 AM
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#5 |
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Registered User
Join Date: Dec 2012
Location: Chandler AZ
Posts: 1,149
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Re: Another timing question.
How about timing tape?
Just get under the truck. Clean the balancer and measure the balancer diameter. You can stick something like THIS on it.
__________________
1970 Longhorn, Front Disc, 350/4 bolt, 882 heads, HEI, Edelbrock, 700R4, HO-52/4.11. 1996 Corvette, Collector Roadster, LT4, 396, 450RWHP, 6sp, 4.11/Dana44/posi 5 point roll bar And let us not grow weary of doing good, for in due season we will reap, if we do not give up. Gal 6:9 |
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