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Old 07-11-2010, 07:16 AM
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No normal tick

I know, everyone has read before about a tick but this is a stumper for me. I know the sounds of rods, exhaust leaks, bearings and other noises.

I have a 85 Chevy 350 that has new bearing, rings, cam, lifters, push rods, oil pump(oem).

The sound on start up is a tick that quickly goes away, just like after oil gets in to the system after start up. No knock, tick or rattle while at idle. Heck there is no noise from this engine after start up until you hit 50 mph. Then it all starts, tick tick tick up through 75 then it quiets down.

You got me, I kept thinking a bad lifter because of the ticking at the initial start up and it goes away in seconds.

Anyone else, never ran into this and I can't figure this one out. Wife wants to drive her Chevy truck!

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Old 07-11-2010, 07:56 AM
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Might just go over the lifter adjustment again. You say it is consistent and at start up.

Use the old stick or long screwdriver too ear trick and try to isolate, id the side the noise is coming from.

Pull that valve cover and probe the rockers adjust accordingly ... It is odd that it would come and go at rpm ...

Does the tick rate change faster as you go, 50 -75?
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Old 07-11-2010, 10:41 AM
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Make sure the starter is clear of the ring gear
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Old 07-11-2010, 03:13 PM
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"I have a 85 Chevy 350 that has new bearing, rings, cam, lifters, push rods, oil pump(oem). "

mechanical fuel pump? Did you pack it with grease first? No direct oiling for the pump or push rod.
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Old 07-11-2010, 04:08 PM
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Up date to ?

I don't have any tick seconds after start up. The tick does speed up as the motor's rpms increase once hitting 55. No problems before that. I didn''t soak the new lifters, some say do it and other say don't. I am thinking a bad lifter or a bad spring.

I did prime the oil pump but put a new oem back in. Maybe it is not putting out enough. I am gong to check on the push rods to make sure the oil flow is the same on all of them. Maybe a block port.

I am still reading and listening to everyones ideas. Thank you!!!
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