[DeTomaso] Engine Oil Analysis / Willow Springs Update

[Will Kooiman]

What was the sound like?

Loose spark plugs and leaking headers both make a ticking sound.

With your lash all about the same, it is unlikely that you have problems
with your lifters, pushrods, or rockers.

I wonder about the rockers that were reversed.  I've seen people use 1.5
rockers because 1.6 would cause valve to piston interference.  If it made a
difference, I would expect the #1 exhaust pushrod to be bent, plus I'd
expect it to make the noise as soon as it was started for the first time.

Will.

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Dan Courtney
Sent: Sunday, March 11, 2007 2:36 PM
To: detomaso at realbig.com
Subject: [DeTomaso] Engine Oil Analysis / Willow Springs Update


From: "Dan Courtney" <dfcex at excaliburre.com>
To: "Donny Williams" <donnylee at ccwebster.net>
Sent: Saturday, March 10, 2007 9:56 PM
Subject: Re: [DeTomaso] Engine Oil Analysis / Willow Springs Update


> Donny,
>
> I pulled the distributor, intake, rockers, stud girdle and pushrods.
> The distributor gear looks fine (to me).
> No metal or other crap under the intake. The valley has screens in each 
> corner and they hadn't caught anything other than a couple of very tiny 
> flakes of aluminum.
> I forgot to slice the oil filter, but all the oil showed nothing more than

> a gold sheen under strong light. I'll saw it tomorrow (roller rockers are 
> Crane gold, showing a little wear from the pushrods).
>
> The valve clearances (cold) were:
>
> Intake:
> 1    .022
> 2    .023
> 3    .021
> 4    .018
> 5    .020
> 6    .023
> 7    .018
> 8    .018
>
> Exhaust:
> 1    .024
> 2    .020
> 3    .025
> 4    .022
> 5    .020
> 6    .018
> 7    .022
> 8    .021
>
> I noticed it's set up with 1.5 roller rockers on the exhaust valves and 
> 1.6 on the intake valves (except for #1, which got reversed). Same 
> pushrods throughout.
> All the pushrods are straight.
> I didn't notice anything obvious that could have caused such a loud noise.
> I did not pull the roller lifters or check the valve spring height (not 
> sure how to do either). Visually they look fine (to me).
>
> Giving the lack of metal chunks I'm wondering if my dry sump oil pump 
> could have been making this noise, although the pressure was holding up.
>
> Dan
> Dan F. Courtney
>
>
> Excalibur Commercial Real Estate Services
> La Jolla, CA
>
> Phone (858) 551-5455
> Fax (858) 551-5456
>
> 

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