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Forum: Hot Heads Tech Talk

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RS16017
392


I have a '58 392 running a highlift cam. I notice there's a lot of tappet noise. This is normal for these engines?
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on: Mon 11 of Dec, 2017 [01:46 UTC] reads: 3053

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462hemi
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Re: 392
on: Mon 15 of Jan, 2018 [20:52 UTC] score: 0.00
Where did you buy the lifters? I had a 392 built that had a lot of tappet noise and no matter what I did the ticking never went away. Finally I bought some USA made lifters and voila, lifter noise was gone.

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RS16017
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Re: 392
on: Sun 17 of Dec, 2017 [01:42 UTC] score: 0.00
>I hope not because the tappets aren't adjustable.

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Jack
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Re: Re: 392
on: Sun 17 of Dec, 2017 [17:11 UTC] score: 0.00
> >I hope not because the tappets aren't adjustable.

That is the problem. A set of adjustable push rods are in order.
Set them just a tiny bit past zero.

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Jack
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Re: 392
on: Wed 13 of Dec, 2017 [17:51 UTC] score: 0.00
Take a look where the push rods go thru the head. Sometimes they need a shim to move them slightly side to side. Or possibly need hogging out a bit.
HH sells those shims.

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DaveBlakeman
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Re: 392
on: Mon 11 of Dec, 2017 [16:06 UTC] score: 0.00
Do you have solid lifters ?

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ewoky409
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Re: Re: 392
on: Mon 11 of Dec, 2017 [21:03 UTC] score: 0.00
> Do you have solid lifters ?


I have a 1957 392,also with a high lift cam (.571 Int. and .578 Exh.) I have adjustable rockers on mine and dimpled valve covers.Even with the dimpled valve covers I had to add a 1/4 inch spacer and an extra gasket on each side to stop the rockers from hitting the underside of the valve covers.


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