[DeTomaso] Cleveland Timing Set

[Larry - Ohio Time Corp]

Last year I spoke to Dan Jones friend from AU that imports the Cleveland
parts, I forgot his name. He was telling me one of the big advantages of his
belt drive for the cam is the much reduced harmonics transfer from the crank
to the cam. He also said the gear drives were the worst for this transfer.

I am well aware of harmonics in music, a good thing, how are they bad in a
motor?

Larry - Cleveland



-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of cengles at cox.net
Sent: Thursday, September 25, 2008 11:06 AM
To: Thomas Tornblom
Cc: detomaso at realbig.com
Subject: Re: [DeTomaso] Cleveland Timing Set


Dear Thomas and Asa,

I understand the cool factor with gear drive. I understand it has a cool
sound. I understand that it is supposed to more "accurately time cam events"
than a timing chain.

Dumb question: Does it ever "wear out" like a double roller timing chain?

Curious, Chuck Engles

PS: I called Summit: the 351C set *might* be available, but Summit found
that it wasn't reliably and immediately available and ceased to carry it.
So, a direct contact to PJ Gear Drives would answer that question, but I
can't find any way to directly contact them even through their
website---they seem to be a secretive bunch.





---- Thomas Tornblom <Thomas.Tornblom at hax.se> wrote:
>Asa Jay Laughton skrev:
>>I put a Pete Jackson quiet gear drive:
>>Summit Racing:
>>http://store.summitracing.com/partdetail.asp?part=PJJ-289-9C&autoview=sku
>
>That one is for windsors.
>
>Looking at:
>
>http://www.petejacksongeardrives.net/24122.html
>
>it seems it is discontinued, and I don't see any cleveland gears either.
>
>
>>in my 1971 Mach I. I can still hear it, but it's not bad at all
>>really. Once it gets some revs to it, it begins to sound a bit like a
>>blower, so there is that cool factor. Overall I'd do it again.
>>
>>Asa Jay
>>
>>Asa Jay Laughton, MSgt, USAFR, Retired
>>
>>&Shelley Marie
>>Spokane, WA
>>
>>1973 Pantera L 5533
>>[ASASCAT]
>>
>>******************************
>>http://www.asajay.com
>>http://www.351c.info
>>
>>
>>
>>
>>tony DiGiovanna wrote:
>>>I have previously seen more chain stretch than I like, even with good
>>>quality double roller sets and hole drilled in front galley plug for
extra
>>>oiling. I am considering trying a gear drive in a new engine build.
Please
>>>post me your experiences good or bad. Please include mfr and model. Seem
>>>to recall there are really noisy ones and not so noisy ones.
>>>
>>>Thanks guys in advance.
>
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