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10-29-2010, 05:46 AM
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#1 |
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Registered User
 
Join Date: Aug 2010
Location: Alta Loma, CA
Posts: 610
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Any first start suggestions?
I am about ready to start my 5.3L for the first time and I was wondering if anyone had any suggestions, since the motor has been sitting for a while. I already filled the coolant through the upper hose and I poured a teaspoon of Marvel Mystery oil in each cylinder and turned the crank by hand (very smooth feeling). Do I need to bleed the air from the fuel rail, or will it works its way out? Any tips would be appreciated.
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67 5.3L Build |
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10-29-2010, 12:00 PM
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#2 |
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Account Suspended
Join Date: Aug 2007
Location: USA
Posts: 1,223
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Re: Any first start suggestions?
Pressure the rail by turning the key on and off a couple of times, and make sure you have everything out of the way. and hit the key. good luck, let us know how it goes
Last edited by mrhino; 10-29-2010 at 12:00 PM. |
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10-29-2010, 11:29 PM
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#3 |
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Senior Member
Join Date: Nov 2007
Location: Greenville, SC
Posts: 873
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Re: Any first start suggestions?
67,
My 6.0 sat for 2+ years and would not start until I bled the air out of the fuel rail with the schrader valve on the rail. It could be that the injectors were stuck and it was just a coincidence that it started when I bled the rail? I can't find anything about bleeding air out of the rail in the service manual. There are a lot of threads about stuck injectors after the engine sits for some years. Good luck, TR
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1965 C10 SWB Fleet Two owner LS2 Swap Thread http://67-72chevytrucks.com/vboard/s...d.php?t=413880 |
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10-29-2010, 11:35 PM
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#4 |
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Truck and auto performance nut
Join Date: Feb 2007
Location: McKinney,Texas
Posts: 3,848
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Re: Any first start suggestions?
since you can't use a drill to spin the oil pump like with a sbc...they say to pull power to the coils and then turn the engine over with the starter until the oil pressure comes up and/or you see oil flowing on the rockers. Then reconnect power and start it up.
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Kurt - '68 GMC short step - NIB '09 LY6 6.0L crate motor w/mods, NIB '12 crate 4L85e w/billet 3k stall Circle D, 3.73 posi 12 bolt, DynaTech f-swap headers, 3/4 drop, handling mods, etc. - my toy '72 Chevy LWB C-10 Highlander - 350/350 ps/pb/tilt/ac - not original but close '06 Chevy TrailBlazerSS - LS2/4L70e - little black hot rod SUV - my DD '18 Kia Sorento - wife's econo-driver '95 Chevy S10 - reg cab shortbed, LS, 4.3, auto... my '68's powertrain and chassis build -links broken A surprise phase - carb to efi -links broken |
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10-30-2010, 09:51 AM
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#5 |
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Registered User
Join Date: Aug 2010
Location: Alta Loma, CA
Posts: 610
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Re: Any first start suggestions?
Thanks for the info. I started it up last night and it ran great. Very loud with open headers, though. It did seem to have a few stuck injectors. For the first few seconds it sounded like it was missing a few cylinders and then it came alive. I was so excited to finally hear it run. Maybe I'll post a video on my build thread some time soon.
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67 5.3L Build |
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11-04-2010, 03:23 AM
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#6 |
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Senior Member
Join Date: Aug 2002
Location: Valley Center KS
Posts: 3,524
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Re: Any first start suggestions?
Congrats, I know the feeling!
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11-04-2010, 06:48 AM
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#7 |
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Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Any first start suggestions?
on initial startups i always make sure that a freash fully charged fire extinguisher is close at hand
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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