thanks man, maybe I should look into aftermarket lifters a rods?
----- Original Message -----
From: Bob Tom <tigers@bserv.com>
To: <dakota-truck@buffnet.net>
Sent: Monday, November 08, 1999 7:48 AM
Subject: Re: DML: Re: RE: RE: 318 Hop Up, Heads VS NOS
> At 10:00 PM 11/7/99 -0600, you wrote:
> >what I mean is, I am installing all that. Do you think I can
> >take it to 6. I'm not putting in new lifters, guideplates, or
> >pushrods.
>
> You'll probably know most of this but just in case ...
>
> The heavy duty valve springs should solve valve float at
> those high rpms. Prior to installing the MP cam/valve train
> components, I went to 6000 rpm a few times due to a gear that
> would not shift and got valve float.
>
> There will be a lot of stress on the pushrods at those rpms.
> >From what I've been told, the old LA engines would set up
> a lot of vibrations problems (putting stress not only upwards
> to the rockers but also downward to the cam because of the
> way the pushrods are angled). The Magnums has changed the
> way in which the components are lubed from the old 318/360s
> but not the angles. Even with heavy duty lifters/pushrods/
> guide plates/retainers, the angles have not been significantly
> changed but the vibrations are cut down a lot.
>
> My feeling is that you'll be able to run to 6000 but will put
> a lot of stress (vibration and bending) on the stock pushrods/
> lifters each time and they eventually go (IMHO, sooner than later).
>
> Message 65 since Oct. 23/99.
>
> Bob. Southern Ontario, Canada.
> '97 Dakota CC Sport, FR, 5.2L, 3.55 SG, auto.
>
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