[Roadsters] 1600 tuning issues

[Brian]

Also check dist cap for arcing

Brian

On Dec 9, 2012, at 8:56 PM, Richard Shepard <sales at rslaserkits.com> wrote:

> How old are the wires? Try staring it at night with no lights and check for
> starks
> rich
>
>
> ________________________________
> From: Roy Haslett
> <hrhaslett at yahoo.com>
> To: Tim <tputland at charter.net>; datsun-roadsters:
> autox.team.net <datsun-roadsters at autox.team.net>
> Sent: Sunday, December 9,
> 2012 8:21 PM
> Subject: Re: [Roadsters] 1600 tuning issues
>
> Sadly I am still
> in tuning hell.  I have set the dwell to 52 degrees.  Checked
> all connections
> that they are clean and tight.   When car ran it was rough but
> I set the
> timing to 16 degrees  at 600 rpm and verified the vacuum advance was
> operating
> correctly and no leaks when revving engine.  But, the car runs like
> shit..super rough with the engine shaking like hell.  Now, the car won't
even
> start??  Could I have some bad new iginition parts?  Could my 6 month old
> Diamond coil have failed?  Previous to attempting this tune up the car ran
a
> little weird with some very slight backfire but it ran great on the
highway.
> I don't think its a carb thing.  Valves were checked 3 times.  I don't get
it.
> Thanks
> Roy
>
>
>
> ________________________________
> From: Tim
> <tputland at charter.net>
> To: datsun-roadsters: autox.team.net
> <datsun-roadsters at autox.team.net>
> Sent: Wednesday, November 28, 2012 1:22 PM
> Subject: Re: [Roadsters] 1600 tuning issues
>
> I have (as usual) nothing new to
> add. But, I will echo what others have said as well as Paul below. And also
> add that my running issues got worse and worse on my tired 1600 as the
exhaust
> leak at the manifold got worse.
>
> Still waiting on my machinist to finish the
> head on my stroker. One step forward, two steps back.....sigh
>
> tim
>
>
> On Wed,
> Nov 28, 2012 at 3:16 PM, Paul Kort wrote:
>
>> Even on the race R16s, spinning
> up to 8000 rpms, we never had a timing
>> chain jump.
>>
>>  back to basics,
> set the valve clearance, set the ignition timing, then
>> work on the carbs.
>>
>> Paul
>> Ohio
>>
>> On Wed, Nov 28, 2012 at 3:32 PM, Pete Peters
> <ppeters914 at comcast.net> wrote:
>>
>>> According to Roy, the head was rebuilt
> at 5k; the motor at 20k (was the
>>> timing chain/gears replaced at that
> time?). Engine was running fine up
>>> until
>>> a few hundred miles ago, then
> slowly deteriorated.
>>>
>>> Wouldn't a timing chain jumping be instantly
> noticeable? And, while
>>> possible, has anyone experienced a 1600 timing chain
> jumping? Isn't that
>>> more likely in the OHC engines (U20, L-series)?
> My money is on something more simple like floats and/or exhaust/vacuum
> leaks.
>>>
>>> This has been a fun thread. Eagerly awaiting the resolution!
>>>
>>>
>>> Pete
>> ________________________________________
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