[DeTomaso] FW: Harmonic Balancer

[Thomas Tornblom]

Late cars have timing marks on the flywheel already from the factory.

Thomas

2012-11-04 14:33, John skrev:
> You can't go wrong IMO putting a mark on your flywheel and bell housing inspection port and then using a dial back timing light. Never worry again.
>
> On Oct 30, 2012, at 10:58 PM, sean mundy<seanmundy at hotmail.com>  wrote:
>
>>
>> I put a degree wheel on and made a piston stop and went about TDC discovery.
>> Rotating the engine around and checking several times I found that TDC is where
>> I thought it was and the stock pointer and stock balancer were correctly showing 0.
>> It seems obvious now that the timing marks on the Romac balancer are wrong for my application.
>> I've asked my engine builder and he reminded me that the Romac balancer is for a Windsor crankshaft
>> as that is what is installed in my stroker motor.  He said their was a snout spacer installed on the crank to make it fit
>> the Cleveland block.  So I think if I want to use the Romac balancer designed for a Windsor motor and use my
>> stock Cleveland timing pointer, I will need to buy some timing tape and modify the balancers timing marks.
>> Can someone give me a sanity check?  thanks!!!!
>>
>>
>>
>>
>>
>>
>>> From: larry at ohiotimecorp.com
>>> To: seanmundy at hotmail.com; jderyke at aol.com; detomaso at realbig.com
>>> Subject: RE: [DeTomaso] Harmonic Balancer
>>> Date: Fri, 26 Oct 2012 22:18:06 -0400
>>>
>>> Sean,
>>>
>>> At this point the only right way is to put a degree wheel on the motor, a
>>> positive stop in #1 and find TDC the right way. Just like you do when you
>>> degree in a cam. This is not a time or place to be close. With the motor at
>>> the real TDC you can then do what looks to be the best fix, new pointer,
>>> maybe.
>>>
>>>
>>> Larry (quality is the sum total of the details) - Cleveland
>>>
>>>
>>> -----Original Message-----
>>> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
>>> Behalf Of sean mundy
>>> Sent: Friday, October 26, 2012 6:40 PM
>>> To: jderyke at aol.com; detomaso at realbig.com
>>> Subject: Re: [DeTomaso] Harmonic Balancer
>>>
>>>
>>> It seems my crank, cam are lined up and #1 is TDC.
>>> So then all I need to do is make a new pointer that hits 0 on the Romac
>>> balancer.
>>> That makes it easier for my brain to handle i guess.
>>>
>>>
>>>
>>>
>>> From: JDeRyke at aol.com
>>> Date: Fri, 26 Oct 2012 18:27:18 -0400
>>> Subject: Re: [DeTomaso] Harmonic Balancer
>>> To: seanmundy at hotmail.com; detomaso at realbig.com
>>>
>>> I hate to complicate things like this, but there are three different timing
>>> pointers and two (at least) front covers for various years of 351-Cs. I
>>> don't expect any of the combinations to show very close to true TDC. If the
>>> heads are off the block, it's pretty easy to find TRUE TDC and bend the
>>> pointer to permanently indicate TDC on your Romac- which is a far healthier
>>> assembly than any 42-year-old balancer.
>>> But if the mismatch is only a few degrees, remember once the hard parts are
>>> bolted in place (cam, crank and harmonic balancer), the timing mark is
>>> mostly for our convenience. The engine really doesn't care what number is
>>> showing on the timing mark as long as spark arrives at the correct time.
>>> Good luck- J Deryke
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