Thread: Won't start after cam install

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  1. #221 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by QUICKSILVER462 View Post
    I watched your videos, and I have never seen a supercharger belt also go around the alt., usually the supercharger belt is stand alone, maybe it has somthing to do with the pulley?
    Anyway, from watching your vidoes I can say it sounds like its running on 5 cylinders, and judging by the "kickback" when cranking the engine, there is a good possibility the firing order is not correct, point being, there is an ignition anomoly, timing, fireing order, bad plug, burt/broken wire... or somthing.
    I run the SS M90 kit. That's why the belt is like that. Which video did you watch? I fixed the no start/cranking problem.
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  2. #222 Re: Won't start after cam install 
    GT Level Member jdmgtp's Avatar
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    have you check codes for a cylinder misfire? Could be a plug, wire, injector. I'm interested to see what it sounds like when you rev the engine a little.
    2000 GTP, 3.2 pulley, SD headers, 3" exhaust, modded 1.9's, custom CAI, LS6 maf, ported blower/ TB, HPT, 65 lb injectors, E85 in the summer, LM-1 wideband, 180 stat, autolite 104's, GMHD suspension kit. 13.2@104 on street tires w/o ported s/c
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  3. #223 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by jdmgtp View Post
    have you check codes for a cylinder misfire? Could be a plug, wire, injector. I'm interested to see what it sounds like when you rev the engine a little.
    Scanned for DTC's. There isn't one. It sounds good when you rev it at idle, but when driving it, it's sluggish, knocks and ticks. I think I disabled P0300 a while back though. I will re-enable it and see if it throws a multiple misfire code.
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  4. #224 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    I might just bring it to my mechanic. I'm tired of this ****.
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  5. #225 Re: Won't start after cam install 
    GTX Level Member QUICKSILVER462's Avatar
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    I watched your vids of the engine, and in one of the videos I noticed this:
    164d655b.mp4 video by Bedwards923 - Photobucket
    At 45 sec., it looks as though there is a bolt missing.
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  6. #226 Re: Won't start after cam install 
    GTP Level Member 01gpgt01's Avatar
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    almost sounds like the rotors hitting. Pull off the blower belt and make sure it spins free

    edit: well now that I listen again maybe not lol.

    your WOT run video theres a nasty misfire. ALso sounds like a dead mis on the other video
    Last edited by 01gpgt01; 06-12-2011 at 08:25 PM.
    2001 GT. A few here and there mods http://www.streetfire.net/video/2001...ynp_208097.htm

    2009 Hummer H3 Solar flare premium
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  7. #227 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by 01gpgt01 View Post
    almost sounds like the rotors hitting. Pull off the blower belt and make sure it spins free

    edit: well now that I listen again maybe not lol.
    I ran it with no belt. Same noise.
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  8. #228 Re: Won't start after cam install 
    GT Level Member jdmgtp's Avatar
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    does the sound get louder with rpm? how about engine load?
    2000 GTP, 3.2 pulley, SD headers, 3" exhaust, modded 1.9's, custom CAI, LS6 maf, ported blower/ TB, HPT, 65 lb injectors, E85 in the summer, LM-1 wideband, 180 stat, autolite 104's, GMHD suspension kit. 13.2@104 on street tires w/o ported s/c
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  9. #229 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Quote Originally Posted by jdmgtp View Post
    does the sound get louder with rpm? how about engine load?
    I could hear it while I test drove it. Not sure if RPM affects it or not. I'm honestly just going to to get my mechanic to look at it. I don't have time for working on this anymore.
    Last edited by Bedwards; 06-13-2011 at 08:42 AM.
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  10. #230 Re: Won't start after cam install 
    GT Level Member jdmgtp's Avatar
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    you need to look into that. Don't forget about load...
    2000 GTP, 3.2 pulley, SD headers, 3" exhaust, modded 1.9's, custom CAI, LS6 maf, ported blower/ TB, HPT, 65 lb injectors, E85 in the summer, LM-1 wideband, 180 stat, autolite 104's, GMHD suspension kit. 13.2@104 on street tires w/o ported s/c
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  11. #231 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    I wonder if I have bent valves or something... Since my compression on the cylinders 1 and 3 were so low. It runs like complete ****, misfires and everything.
    Last edited by Bedwards; 06-13-2011 at 01:48 PM.
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  12. #232 Re: Won't start after cam install 
    Moderator dsmuts's Avatar
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    Have you checked the compression since it's been running?
    98 GTP modded 1.9's, sd headers, 3.4", zzp 1.0 230K miles scrapped.
    04 Comp G zzp stb's, UMI ta's, Speedbuilt sways, bully flo heads, XP, zzp headers, fsic, thrasher shift kit, 60#, 2.6" corsa 2.5", Inferno hood
    01 gt z7 turbo tep trans zzp motor
    08 g8 gt cam exhaust 11.87@118
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  13. #233 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Not yet.
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  14. #234 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    On my way to test the compression.
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  15. #235 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Didn't have time to do a compression test. For anybody who uses HP Tuners, I did a cylinder balance test. I'm very confused by the results. Normally the RPM of all the cylinders are around 90%, give or take 5%.

    I think this issue may be a bent or a set of bent valves. Can someone help me interpret this scan?

    #1 - RPM = 720 - 91%
    TPS = 0.1 - 65%

    #2 - RPM = 927 - 117%
    TPS = 0.0 - 49%

    #3 - RPM = 764 - 96%
    TPS = 0.1 - 65%

    #4 - RPM = 943 - 119%
    TPS = 0.0 - 16%

    #5 - RPM = 748 - 94%
    TPS = 0.0 - 33%

    #6 - RPM = 843 - 106%
    TPS = 0.1 - 50%
    Last edited by Bedwards; 06-13-2011 at 07:49 PM.
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  16. #236 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    When the harmonic balancer was put on wrong (basically 180 degrees off), everyone was saying that it would throw off the timing. So then is it possible for a piston to hit a valve? I'm confused, because my cam and crank sprocket were still timed properly, connected by the timing chain. I don't see how it would throw off the timing.
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  17. #237 Re: Won't start after cam install 
    DUI BABY Bio248's Avatar
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    the timing we were referencing is part of the ignition system, so when the spark plugs light up. the timing on the timing chain is different and that is static. if the timing on the timing chain was right then the pistons do not have a chance to hit the valves.
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  18. #238 Re: Won't start after cam install 
    Turbo is the way to go. BillBoost37's Avatar
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    That sounds like either a rocker/lifter noise or an exhaust leak. Your vids kinda make it sounds like an exhaust leak near the EGR area. And yet, I'd be pulling the valve covers and looking at any w/o oil on them. Any dry ones may have a collapsed lifter or something odd wrong there.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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  19. #239 Re: Won't start after cam install 
    GTP Level Member Bedwards's Avatar
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    Should I try an oil additive (Sea Foam or something)?
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  20. #240 Re: Won't start after cam install 
    Turbo is the way to go. BillBoost37's Avatar
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    Here's what I'd do.

    Quote Originally Posted by BillBoost37 View Post
    I'd be pulling the valve covers and looking at any w/o oil on them. Any dry ones may have a collapsed lifter or something odd wrong there.
    I drink..so consider that when reading my posts.

    2010 Audi A6 Dual IC's
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