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#1
04-11-2013, 06:27 PM
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Am I being paranoid? Lifter noise? (video)
Ok so all of you know the issues that I have had over the past several months. Now that the car is running again. I am not sure if I am being paranoid about engine noises or if the car is making a lifter tick. I already tried tighning down the header bolts. I pulled the valve cover and checked pushrods, rockers, and checked to see if a lifter was collapsed by pushing down on the pushrod to see if the lifters moved. Everything seems ok. When my wifes car had a bad lifter the noise got worse over a small period of time (2 or 3 days) and starting making a chirping type noise. The noise hasnt got worse, so I would think thats a good thing. This is more of a ticking but it seems more than the usual ls1 sewing machine noise. Here is a video and its coming from the driver side. I will try to take a better video if need be.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111 
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#2
04-11-2013, 09:33 PM
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mine sounds like that to. its quiet when its cold but has the sewing machine sound at full temp. annoys the shit out of me.
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 1999 Z28 T-Top M6 - LS6, Bolt Ons, Suspension, MWC Narrowed 9" - 415rwhp 385rwtq 10.847 @ 125.17 1989 IROC-Z H/T M5 2006 F350 SCSB 4x4 6.0L Diesel - Studs, EGR Delete, Powermax Turbo, Extreme Tuning & Exhaust - 13.23 @ 101
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#4
04-12-2013, 10:36 AM
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So do I need new springs? How would I check or change lifter pre-load? Pushrod length not right?
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#5
04-18-2013, 11:27 PM
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Just a little update. I haven't really driven the car lately and decided to take it for a drive. Noise is still there. Just out of paranoia I drained some oil and checked the plug for metal. All seems good. Like Don said could it be the valve springs being worn? My first motor didn't seem to make this noise. I am using the same length push rods. 7.4 valve springs are patriot dual golds.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#6
04-19-2013, 01:13 AM
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have heard them that noisy after the heads have been cut. were the heads cut if so how much? may need a push rod length checker to narrow it down. pull a valve cover and a rocker or 2. make sure the contact patch is in the center of the valve tip. if need be use some marking compound to verify.
__________________
 1998 Firebird:buncha parts thats used to make it go fast..... not so much anymore.  BAAAAAA!!!!!!
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#7
04-19-2013, 01:34 AM
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Heads haven't been cut to my knowledge. Checked the pattern and all seems good
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#8
04-19-2013, 02:04 AM
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if the rockers are contacting in the center of the stem and you didnt change anything like the cam. it might be spring. and honestly unless its getting worse or you have some nasty low rpm(<5000) valve float. i wouldnt be worried.
__________________
1998 Firebird:buncha parts thats used to make it go fast..... not so much anymore. BAAAAAA!!!!!!
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#9
04-19-2013, 10:53 AM
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Yeah that what my plan was. If it doesn't get worse than oh well.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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#10
04-19-2013, 06:26 PM
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called my buddy today. He has a push rod checker. Said he might stop by Sunday to help me check.
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2000 SS Th350, FTI 4200 stall , cam, full bolt-ons, 150 wetshot, Moser 9inch/locker/4.11s, Slowhawk tuned. 493rwhp 570rwtq. 10.97 @ 127.7 1.58 60' and M6 10.84 @ 126.3 1.55 60' Th350 SOLD BUT NOT FORGOTTEN New Toy - 06 Torrid Red Gto M6. 231/242 cam, Kooks, magnaflow, GForce, Monster stg2, lingenfelter cai, 411rwhp 385rwtq. 12.40@111
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