[Roadsters] 1600 tuning issues

[Gary Lasater]

I have been running electric fuel pumps that I bought at most any auto parts
store that run the 2- 5 lb. range without problems for years.  Had on 1500,
1600, and 2000 models with great results.  Mounted on the frame just in front
of the rear wheels.  Also eliminated the metal fuel lines in the engine
compartment and went with the rubber tubing to help with any vapor locking
potentials.

Gary Lasater






-----Original Message-----
From: Gordon Glasgow <gsglasgow at comcast.net>
To: Roy Haslett <hrhaslett at yahoo.com>
Cc: datsun-roadsters: autox.team.net <datsun-roadsters at autox.team.net>
Sent: Thu, Nov 29, 2012 11:48 am
Subject: Re: [Roadsters] 1600 tuning issues


Not sure on the SU's. For the Mikunis it's around 3.5 psi.


Gordon Glasgow
Renton, WA
www.gordon-glasgow.org

----- Original Message -----
From: "Roy Haslett" <hrhaslett at yahoo.com>
To: "Gordon Glasgow" <gsglasgow at comcast.net>
Cc: "Tim" <tputland at charter.net>, "datsun-roadsters: autox.team.net"
<datsun-roadsters at autox.team.net>
Sent: Thursday, November 29, 2012 10:34:27 AM
Subject: Re: [Roadsters] 1600 tuning issues


whats the correct psi Gordon?








From: Gordon Glasgow <gsglasgow at comcast.net>
To: Roy Haslett <hrhaslett at yahoo.com>
Cc: Tim <tputland at charter.net>; datsun-roadsters: autox.team.net
<datsun-roadsters at autox.team.net>
Sent: Thursday, November 29, 2012 10:23 AM
Subject: Re: [Roadsters] 1600 tuning issues




Before you buy a new fuel pump, invest in a fuel pressure gauge. Lots cheaper
than a pump.


Gordon Glasgow
Renton, WA
www.gordon-glasgow.org


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: Thursday, November 29, 2012 9:56:58 AM
Subject: Re: [Roadsters] 1600 tuning issues

Thank You everyone for all the excellent suggestions. B I have set all valves
and points. B Next I will set timing, then move to carb/linkage adjustment.
Also considering replacing fuel pump as all filters are clear/clean.
Roy
________________________________
B 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
B
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.
>
> B  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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