bent pushrods 360
Junior User
Joined: Oct 2002
Posts: 95
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From: Southeastern , Illinois
bent pushrods 360
I bought a mini-schoolbus with a 360 that would barely run . On inspection I found several bent pushrods. They were all on intake valves. Does anyone know what could cause that? I hate to replace them without finding the cause. I may end up with more bent pushrods- or worse!
Logistics Pro
Joined: Feb 2000
Posts: 3,565
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From: Sun River St. George
bent pushrods 360
The permanent fix is to install adjustable rockers and new pushrods. You may be able to simply install new standard length pushrods and go for it.
William in Atlanta
William in Atlanta
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Joined: Jul 2002
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From: Long Island USA
bent pushrods 360
>The permanent fix is to install adjustable rockers and new
>pushrods. You may be able to simply install new standard
>length pushrods and go for it.
Why does everyone say this? It took me a few hours, but I successfully adjusted the pushrods (by replacement) on a 390 after decking the block, milling the heads, new valve seats and valves (428CJ exhaust valves).
I've also done this on another 390 that had been decked.
Of course, the machinist I know knew alot about FE's and cut the top of the valve stem to what he considered "perfect".
And, of 16 valves, I think I have 3 .060 short and a few .060 long.
But he's a perfectionist. If you have to go more than .060 in one direction, I think your machinist should be shot.
Of course, don't commit suicide if you are your own machinist
ak
>pushrods. You may be able to simply install new standard
>length pushrods and go for it.
Why does everyone say this? It took me a few hours, but I successfully adjusted the pushrods (by replacement) on a 390 after decking the block, milling the heads, new valve seats and valves (428CJ exhaust valves).
I've also done this on another 390 that had been decked.
Of course, the machinist I know knew alot about FE's and cut the top of the valve stem to what he considered "perfect".
And, of 16 valves, I think I have 3 .060 short and a few .060 long.
But he's a perfectionist. If you have to go more than .060 in one direction, I think your machinist should be shot.
Of course, don't commit suicide if you are your own machinist
ak
New User
Joined: Dec 2002
Posts: 17
Likes: 0
bent pushrods 360
A nother reason for bent pushrods coulds also mean that someone has impropperly installed the rocker arm shafts,if you don't do it right, the lifter won't blead down and you apply to much pressure to the pushrods,following the the right procedures in the FORD manuels is a must when working with these motors,I know by experiance,good luck 
Post Fiend
Joined: Feb 2000
Posts: 5,130
Likes: 8
From: Brea CA
bent pushrods 360
Intake valves only? That sounds like sticking valve stems from old fuel/varnish, did it sit for awhile?
Barry
Barry
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From: Sun River St. George
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