[DeTomaso] Asa Jay's 1985 built 351C Forensics

[Asa Jay Laughton]

Michael,

Some good possibilities there.  I'll add them to the list and be sure to 
check what I can to determine a yes/no on each one.  :)

Thank you,
Asa Jay

Asa Jay Laughton, MSgt, USAFR, Retired
&  Shelley Marie
Spokane, WA
******************************
http://www.racingagainstautism.com
http://www.teampanteraracing.com


On 11/27/2010 02:28, michael at michaelshortt.com wrote:
> Interesting history of a single engine.  Here are my guesses via long
> distance.
>
> 1. #2 had a vacuum leak
> 2. Oil leak in #2 - like a valve guide.
> 3. #2 cam lobe is different than the rest (unlikely but possible) with a
> shorter exhaust cycle.
> 4. Since it is carbed and not injected, a guess of a lean single cylinder is
> more unlikely,  but still possible.
>
> Michael Shortt
> On Nov 27, 2010 1:11 AM,<JDeRyke at aol.com>  wrote:
>> That much carbon means massive oil problems. The cylinder has two
> openings:
>> one at the top and one at the bottom. So, for the top: Valve guide seals
>> plus bad guide(s) or maybe a burned valve
>> For the bottom: cracked piston with/without a broken ring -maybe the oil
>> ring.
>>
>> Junk the cast dish pistons- they give 8-1/2:1 compression and in all
>> liklihood were bad before you rebuilt the thing. I've had the entire top
> of such
>> pistons break off and begin flying up&  down in a cylinder with each
>> combustion event like an aluminum washer. Good luck- J Deryke
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