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Date: Sun, 04 Mar 2001 15:44:31 -0500 (EST)
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Subject: small-list Digest V2001 #33
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small-list Digest Sat, 03 Mar 2001 Volume: 2001  Issue: 033

In This Issue:
Re: push rods
Re: push rods
Re: push rods

----------------------------------------------------------------------

From: "cbm89gt" <cbm89gt email.msn.com>
Subject: Re: push rods
Date: Sat, 3 Mar 2001 14:34:32 -0500


pushrods bend when the piston knocks the valve back up in it's seat, while it's trying to open!  did you check your piston to valve clearance? check that your timing chain didn't jump a tooth,or was set wrong to begin with! it's also cheep insurance to replace your lifters and pushrods when doing anything that requires removal of your heads! good luck!!
----- Original Message -----
From: "phil" <phil ableofficemachines.com>
To: <ecbr yahoogroups.com>; <ebr bronco.com>; "BRONCO FIX" <mail broncofix.com>; <ebr-owner bronco.com>; "Ford Off Road" <offroad-list ford-trucks.com>; "Ford Performance" <perf-list ford-trucks.com>; <small-list ford-trucks.com>; "Robb Walraven" <shootist home.com>
Sent: Saturday, March 03, 2001 12:58 PM
Subject: [small-list] push rods


> ----------------------------------------------------------
> Support FTE - Check out our store:
> http://www.motorhaven.com/
> ----------------------------------------------------------
>
> have a 302 that we did a full rebuild on 2.5 yrs ago.. We just pulled
> the heads and are installing roller rockers.. I find that THREE of the
> new push rods are severely bent.. one so bad its been rubbing on the
> sides..
> there is less then 3000 miles on the engine..
> I am replacing all the push rods with a set i bid on ebay that was
> "supposed" to be  4x hardened.. it appears that they are just "hardened"
> and  are not chrome moly  4130 one piece rods.  they however are better
> then "stock" pushrods
> and are "black" in color not chrome like the old set was.
> the engine is not built for high revs in the 10k range but in the
> 4000-5000 range.
> the engine is not runing alcohol.
> question #1.. should i stop and get the GOOD  $80. ish push rods or go
> with the set i have..
> question #2.. WHY do pushrods bend.
>
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------------------------------

From: "David Cooley" <n5xmt triad.rr.com>
Subject: Re: push rods
Date: Sat, 3 Mar 2001 14:52:33 -0500


Piston to valve clearance isn't necessarily the problem... Weak valve
springs that allow the valves to "float" will allow the pistons to hit the
valves and bending pushrods and/or valves... too heavy of a spring can also
make a pushrod bend.


> pushrods bend when the piston knocks the valve back up in it's
> seat, while it's trying to open!  did you check your piston to
> valve clearance? check that your timing chain didn't jump a
> tooth,or was set wrong to begin with! it's also cheep insurance
> to replace your lifters and pushrods when doing anything that
> requires removal of your heads! good luck!!


------------------------------

From: "cbm89gt" <cbm89gt email.msn.com>
Subject: Re: push rods
Date: Sun, 4 Mar 2001 14:42:16 -0500


good point!!
----- Original Message -----
From: "David Cooley" <n5xmt triad.rr.com>
To: <small-list ford-trucks.com>
Sent: Saturday, March 03, 2001 2:52 PM
Subject: [small-list] Re: push rods


> ----------------------------------------------------------
> Support FTE - Check out our store:
> http://www.motorhaven.com/
> ----------------------------------------------------------
>
> Piston to valve clearance isn't necessarily the problem... Weak valve
> springs that allow the valves to "float" will allow the pistons to hit the
> valves and bending pushrods and/or valves... too heavy of a spring can also
> make a pushrod bend.
>
>
> > pushrods bend when the piston knocks the valve back up in it's
> > seat, while it's trying to open!  did you check your piston to
> > valve clearance? check that your timing chain didn't jump a
> > tooth,or was set wrong to begin with! it's also cheep insurance
> > to replace your lifters and pushrods when doing anything that
> > requires removal of your heads! good luck!!
>
> =============================================================
> To  unsubscribe:   www.ford-trucks.com/mailinglist.html#item3
> Please remove this footer when replying.
>



------------------------------

End of small-list Digest V2001 #33
**********************************
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Ford Truck Enthusiasts  offers the following in its online store for
Ranger, Explorer, Bronco II and Aerostar owners:

-Superchips performance chips
-Diablo performance chips

Books:
-How to Build and Modify Ford 60 Degree V-6 Engines
-V-6 Performance (Buick, Ford and Chevy 90/60 degree)

<a href="http://www.motorhaven.com/">
http://www.motorhaven.com/</a>
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