[Roadsters] --> Re: 1970 SPL311 Engine Problem.

[RWM]

#2 and #3 spark wires reversed on distributor cap?


On 5/11/2012 1:34 AM, Gary and Cindy Ault wrote:
> Pete,
>
> Your message didn't say anything about how the valves were set, nor 
> what measurements were taken to ensure that the lift and duration are 
> uniform on all four cylinders.
>
> #2 is essentially fed from the front carb, and #3 from the rear.  If 
> #1 and #4 are running OK, the answer would appear to be with something 
> other than the distributor or carbs.
> Gary
>
> ----- Original Message ----- From: "Pete Koernig" <tpb73 at yahoo.com>
> To: <datsun-roadsters at autox.team.net>
> Sent: Thursday, May 10, 2012 8:33 PM
> Subject: [Roadsters] 1970 SPL311 Engine Problem.
>
>
>> Rebuilt engine, threw mass quanities of new parts at it in addition 
>> to redoing
>> carbs,  new points, plugs, wires, cap, condenser, etc etc.
>>
>> Here's the heart
>> breaker:
>> #2 and #3 cylinders are not producing. #1 and #4 are fine, pull wire
>> on 2 or 3 and rpm drops about 20-30 rpm. Pull  wire on 1 or 4 engine 
>> falters
>> unless reconnect  to spark plug.  Good snap acceleration. Uni-Syn 
>> pretty well
>> matched (considering engine miss).
>> Much black smoke --- engine running rich to
>> keep running about 1000 rpm.  All four cylinders test 155 to 160 pounds
>> pressure at cranking speed. Cannot detect an intake manifold leak.
>> Enough
>> spark to melt your ear wax, to all four cylinders.
>>
>> Now what?
>>
>> Pete Koernig