[DeTomaso] I need some advice from you Fordies
Dave Londry
davel at emspace.com
Sun Jan 17 21:56:50 EST 2010
Will
Yes there is a big difference in the centering of #8 intake & exhaust.
No crack in the guide plate though, they all have that stamping mark
through the 5 in the part number.
No metal has come off the roller yet and the mark is in line with the
edge of the valve stem,
so I think it will be OK after I get it lined up. Bent pushrod is a
good thought.
Anyhow I'll take it off and have a good look. And I'll align them all.
Any warnings beyond "don't drop hard shit down the oil drains"?
Taking off the right cover is harder than I thought.
It's pinned down by the support on the hard coolant line to the swirl tank.
Looks like I'm going to have to ask the coolant line to flex a little bit.
Next time it'll seem normal, but it's an adventure this time.
Hard on the knees too.
thanks for the advice.
dave
Will Kooiman wrote:
> Wait a minute. I just noticed how far #8 intake is off. #8 exhaust looks
> centered. The guide plate also looks cracked - by the PN.
>
> Take it apart and see if anything is broken.
>
> It might be as simple as a bent pushrod.
>
> -----Original Message-----
> From: Will Kooiman [mailto:wkooiman at earthlink.net]
> Sent: Sunday, January 17, 2010 6:26 PM
> To: 'detomaso at realbig.com'
> Subject: RE: [DeTomaso] I need some advice from you Fordies
>
> It could be as simple as the guide plates being too far to one side. I
> spent a lot of time aligning my rockers. I didn't have to cut/reweld them.
>
> Before you tighten the rocker stud, you can slide the guide plate left and
> right (and up/down). If you slide it to the left, the rocker tips slide to
> the right - and vice versa. You keep fudging with it until they're in the
> center for both intake and exhaust.
>
> I don't know about the galling. I'd guess it's due to oiling (lack
> thereof). One of the reasons I went with Crane Gold Race rockers is because
> of comments I heard about how it handled oiling. On one engine, I cut the
> tops off of an old set of valve covers, and ran the engine. If you try it
> without valve covers, you'll shoot oil like a little oil well.
>
> I also spent a lot of time making sure nothing was rubbing or binding. Most
> of my intake pushrods were rubbing the guide plate (in the wrong place -
> they always rub on the edges).
>
> If it were me, I'd remove the rocker and inspect it more closely. If it's
> discolored, it probably overheated. I'd think a little blueing is okay, but
> I'm not an expert. If it has galling, I'd replace it for sure. A new
> rocker is cheaper than a new valve.
>
> I'd also check the alignment of the rockers - especially #8. The rollers
> should be centered on the valve stem.
>
> -----Original Message-----
> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Larry Finch
> Sent: Sunday, January 17, 2010 5:29 PM
> To: detomaso at realbig.com
> Subject: [DeTomaso] I need some advice from you Fordies
>
> Is this the situation where sometimes the roller guides need to be
> cut, sectioned and welded?
>
> I'm book learned, but have no first hand knowledge... ;-)
>
> Larry
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