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Thread: Engine wont start...

  1. #1
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212

    Engine wont start...

    Hey guys i just installed some Comp cam 1.85 roller rockers, when i put everything back together the truck wont start now! i only removed the valve covers. When i try to start it the belt just spins? Can anyone help me with this?
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  2. #2
    Join Date
    Nov 2003
    Location
    Denton Texas
    Posts
    20,540
    Did you remember to plug in the coil pack connections and hook the fuel line back up?
    See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709

  3. #3
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212
    yea coiil packs are plugged back in and i didnt even disconnect the fuel lines. I looked up in haynes manual and it said the pinion might be stuck? whats that haw can i unstick it? i have to rotate the engine alot to install the roller rockers maybe that did something?
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  4. #4
    Join Date
    Dec 2006
    Posts
    4,033
    ****s and grins check and see if you got fuel pressure, something just isnt firing.. just make sure all connections are connected all the way .
    Simple: 408 on steroids!
    single digits coming soon!

  5. #5
    Join Date
    Sep 2007
    Location
    Texas
    Posts
    5,301
    take pics of the engine an post them up, maybe someone will find somthing plugged in wrong or not plugged in at all.

  6. #6
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212
    Everything is plugged in i know it. Ive check over and over again. Ive noticed that the belt is spinning but the crank isnt spinning. So the started isnt doing its job? Ill check it tomorrow what should i check it for?
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  7. #7
    Join Date
    Aug 2005
    Location
    St. Anthony, Indiana
    Posts
    1,592
    Quote Originally Posted by LS6_Silverado View Post
    Ive noticed that the belt is spinning but the crank isnt spinning.
    I don't see how this could be possible,

  8. #8
    Join Date
    Dec 2006
    Posts
    4,033
    the starter turns the crank, the crank turns the belt accessaries, now if youre saying the belt is turning and the crank isnt, then i am one lost mofo lol
    Simple: 408 on steroids!
    single digits coming soon!

  9. #9
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212
    Ok sorry people i had a brain fart there. The crank is turning and the starter is fine its the ignition. I can hear my fuel pump turn on, I have good fuel pressure, i changed out my spark plugs to brand news ones i had sitting around, quardruple check all the wireing, ignition wires are all pluged in firmly. When i was installing the new rocker arms i had to rotate the engine by hand to set them at zero lash, while i was doing that my room mate turned the key to the on position and while i was rotating the engine i heard something turn on. I tild him to take the key out of the ignition and i continued what i was doing. Could of i blown a fuse some how?
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

  10. #10
    Join Date
    Feb 2008
    Location
    Gainesville, Fl
    Posts
    212
    Just tried replacing the ignition relay that didnt do anything. So if anyone else has any ideas???
    04 Silverado RCSB
    02 LS1 Shortblock(Stock)
    LS6 CAM - 204/219 .551/.548 117.5
    243 Heads w/ Light Weight Valves
    Exhast- LT Pacesetters w/ory, 3" Straight pipe
    Suspension- DJM 4/6, Doetsch Shocks, Caltracs
    Need a ported DBW TB > http://www.ls1truck.com/forums/sale-...ale-trade.html

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