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#1
08-13-2015, 04:05 PM
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86 chevy C30 timing
Hi, I have an 86 chevy c30, 454. Just pretty much rebuilt the distributor. Being a newbie I made a mistake and pulled the distributor before getting it TDC. I set it TDC before reinstalling and aligned it to #1. It now blows out air/gas out of the top of the carb when I try to start it which, from what I understand is a timing thing. Not quite sure what to do next. Can anyone help please?
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#2
08-13-2015, 06:05 PM
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Re: 86 chevy C30 timing
Are you sure that #1 is at TDC on compression? The timing mark on the damper can be either #1 or #6.
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57 Chevy 210 65 Olds 442 Convertible (Another one sold) 75 GMC Vandura 3/4 Ton 1999 K2500 Old Body Style Suburban (Gone but not forgotten) 05 Dodge Ram 3500/5.9 Cummins 2012 Toyota FJ Cruiser
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#4
08-14-2015, 12:41 PM
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Re: 86 chevy C30 timing
you can take cap off, mark where rotor is pointing then pull it out and turn rotor 180 degrees and put it back in or set it to tdc again and see where its pointing and then remove it and rotate it 180 degrees
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#6
08-16-2015, 05:16 PM
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Re: 86 chevy C30 timing
Ok now I've set it at tdc again pulled the cap the rotor was at 180. I reset it to 1 and tried to start it again. The carb didn't belch this time but it still wont start. I'm getting to old for this!!
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#8
08-18-2015, 10:05 PM
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Re: 86 chevy C30 timing
Distributor turns clockwise. From cylinder #1 (which is whatever tower that the rotor points at while TDC on #1 compression stroke), the firing order, clockwise, is 1-8-4-3-6-5-7-2.
If it is easy enough to do, I take off the passenger side rocker cover and then check to see that the #6 cylinder pushrods are tight and cannot be spun by hand on at least one valve, possibly both. This indicates that cylinder is on its exhaust/intake stroke (TDC), which would put #1 on its compression TDC.
__________________
1988 9C1 - Modified LM1 @ 275HP/350TQ - TH700R4 - 3.08 8.5" Disc Rear - see it at http://www.silicon212.org/9c1! 2005 Crown Vic P71 - former AZ DPS - 4.6 liters of pure creamy slothness! 1967 El Camino L79/M20 old school asphalt raper Remember - a government that is strong enough to give you everything you need, is also strong enough to take everything you have.
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