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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sat Mar 02, 2013 5:41 pm |
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Hey guys does anyone know a way to set the time with the harmonic balancer still on ?
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mrw82

az supporter
Joined: Tue Jul 03, 2007 11:30 pm Posts: 1350 Location: stuck in a hole. not off road, just deception bay.
Vehicle: snotbox, 84 LWB sierra 1 litre
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 Posted: Sat Mar 02, 2013 6:17 pm |
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Use the timing marks on the flywheel. Through the timing inspection port on passenger side of bell housing.
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sat Mar 02, 2013 6:26 pm |
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I can't seem to find it. I'm probably looking straight at it but I can find it.
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coily96

az supporter
Joined: Wed May 05, 2010 11:50 am Posts: 823 Location: Beenleigh
Vehicle: Coil Sierra
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 Posted: Sat Mar 02, 2013 9:41 pm |
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Are you talking about lining the marks up or setting the timing with a timing light?
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sat Mar 02, 2013 10:03 pm |
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Timing marks for the head and pistons, if that makes sence
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 8:36 am |
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Does anyone know if for example piston 1 and 4 at top dead lines up the timing marks ?
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Sun Mar 03, 2013 9:57 am |
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yes, TDC between the bottom pulley and the mark that says TDC on the plastic cover is 1 and 4
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 2:16 pm |
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I dont have a timing belt cover anymore. . .
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 2:22 pm |
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So if I turn the motor to tdc for pistons one and four then line up the timing marks of the head and put it together it will be timed ?
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Sun Mar 03, 2013 2:23 pm |
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you need to explain what you are doing I think
if you are fitting a belt just pull the balancer off, 5 bolts it only takes 30 seconds
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 2:27 pm |
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I'm putting the head back on the block and I can't line up the the timing marks on the block because the guy who owned it before me welded the harmonic balancer on.
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Sun Mar 03, 2013 4:26 pm |
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welded it to the crank pulley?
so you undo the 5 little bolts the pulley doesnt come off? I would undo the big bolt the middle and just replace the lot then, get rid of the dodgy stuff
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KEENSY85
Joined: Wed May 09, 2012 12:46 am Posts: 1742 Location: north brisbane
Vehicle: 1985 lwb sierra UTE
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 Posted: Sun Mar 03, 2013 7:00 pm |
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Put number 1 piston all the way up and that's top dead centre
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KEENSY85
Joined: Wed May 09, 2012 12:46 am Posts: 1742 Location: north brisbane
Vehicle: 1985 lwb sierra UTE
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 Posted: Sun Mar 03, 2013 7:13 pm |
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KEENSY85 wrote: Put number 1 piston all the way up and that's top dead centre Sorry just reread the post above, iv u put the cylinders 1 and 4 up put the head on and line up the cam it will be all set to top dead centre, but not timed. But If you drop the dizzy in and line the rotor button up to number 1 plug on the dizzy cap, it will fire . Once its running u loosen the bolt that holds the dizzy in and set the timeing
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Scrawny

I live here!
Joined: Tue Jan 29, 2008 10:30 pm Posts: 10528 Location: Brissie
Vehicle: Popemobile
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 Posted: Sun Mar 03, 2013 7:19 pm |
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bulladean_ wrote: ......because the guy who owned it before me welded the harmonic balancer on. That's one sure way to make sure it doesn't come loose and flog out the keyway 
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 7:39 pm |
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So one and four at tdc and the gear on the end of the head lined up with its mark and the motor won't eat it self l?
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Scrawny

I live here!
Joined: Tue Jan 29, 2008 10:30 pm Posts: 10528 Location: Brissie
Vehicle: Popemobile
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 Posted: Sun Mar 03, 2013 7:44 pm |
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It won't anyway, it's a non-interference motor. It'll be hard to get it on the right tooth on the crank if you can't see the marks
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 7:48 pm |
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Yeah. Im still trying to figure out how I bent both valves :/
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KEENSY85
Joined: Wed May 09, 2012 12:46 am Posts: 1742 Location: north brisbane
Vehicle: 1985 lwb sierra UTE
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 Posted: Sun Mar 03, 2013 7:50 pm |
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When mine was tdc I punched a mark as a reference, but u could mark tdc on the block and and the pulley/harmonic balencer, Mine is similar also
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bulladean_
Joined: Fri May 04, 2012 1:55 pm Posts: 128
Vehicle: tin top sj70
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 Posted: Sun Mar 03, 2013 7:58 pm |
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Does anyone know the location at which the pistons are at when the timing mark behide the harmonic balancer is lined up with the one on the block ? R
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KEENSY85
Joined: Wed May 09, 2012 12:46 am Posts: 1742 Location: north brisbane
Vehicle: 1985 lwb sierra UTE
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 Posted: Sun Mar 03, 2013 8:41 pm |
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Should be 1&4 up ,check it mate just in case
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royce

omnipotent being
Joined: Sun Jun 11, 2006 11:30 pm Posts: 17216 Location: Pluto
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 Posted: Mon Mar 04, 2013 7:00 am |
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KEENSY85 wrote: Should be 1&4 up ,check it mate just in case Mate shutup will you? This bloke is talking about getting the bottom pulley lined up to put a belt on, 1 tooth either way the thing wont run properly if at all Bashing around trying to make the piston sit at TDC wont work, its not anywhere near accurate enough, there is some 20 degree of swing in the crank with the piston at tdc, what you are telling him to do is just going to end badly Now fix the crank pulley, pull it all off and replace it, then you can line the mark on the crank pulley up with the block and be done with it, you can see where the key is with the big bolt removed and you might be able to sight it up, but 1 tooth wrong either way is just going to be a stuff around
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Rhinoman
Joined: Mon May 16, 2011 7:03 pm Posts: 686 Location: Brinkworth, England
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 Posted: Mon Mar 04, 2013 8:10 am |
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Scrawn wrote: bulladean_ wrote: ......because the guy who owned it before me welded the harmonic balancer on. That's one sure way to make sure it doesn't come loose and flog out the keyway  My guess is that its already flogged out.
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KEENSY85
Joined: Wed May 09, 2012 12:46 am Posts: 1742 Location: north brisbane
Vehicle: 1985 lwb sierra UTE
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 Posted: Mon Mar 04, 2013 8:31 am |
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royce wrote: KEENSY85 wrote: Should be 1&4 up ,check it mate just in case Mate shutup will you? This bloke is talking about getting the bottom pulley lined up to put a belt on, 1 tooth either way the thing wont run properly if at all Bashing around trying to make the piston sit at TDC wont work, its not anywhere near accurate enough, there is some 20 degree of swing in the crank with the piston at tdc, what you are telling him to do is just going to end badly Now fix the crank pulley, pull it all off and replace it, then you can line the mark on the crank pulley up with the block and be done with it, you can see where the key is with the big bolt removed and you might be able to sight it up, but 1 tooth wrong either way is just going to be a stuff around Ouch,just trying to help !!!
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havabeer
Joined: Mon Jan 24, 2011 11:18 pm Posts: 18 Location: morisset
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 Posted: Mon Mar 04, 2013 9:27 am |
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bulladean_ wrote: I'm putting the head back on the block and I can't line up the the timing marks on the block because the guy who owned it before me welded the harmonic balancer on. i'd also be worried with how much weld is on the balancer and where, as it could be putting a small amount of umblanace/vibration onto everything, meaning seals and thigns could all wear prematurely
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303zuke

az supporter
Joined: Wed Aug 19, 2009 11:30 pm Posts: 2447
Vehicle: LJ50V, SJ70
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 Posted: Mon Mar 04, 2013 1:37 pm |
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bulladean_ wrote: Does anyone know the location at which the pistons are at when the timing mark behide the harmonic balancer is lined up with the one on the block ? R If your front pulley has a timing mark on it (and please stop calling it a harmonic balancer!), then this for the IGNTIION timing, not the CAM timing. It will line up with the mark at 8deg Before TDC.
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