[T2] Power loss in 4th

[Avocado Tom Tarka]

Jules,

As I mentioned in my previous email: the cooling fan intake is not obstructed.

My valves have been adjusted to spec and have not tightened or gone out of spec in the last 50-75 miles of testing I've done.  

















While you are correct that the heads could be overheating and that the oil temperature is not an indication of head temperature, the likelihood of the cooling flaps failing closed is very low based on my épée

----
 "We are MoTown. We are professionals. We're here to get the job done."

> On Oct 20, 2015, at 3:33 PM, jules <jules.herr at gmail.com> wrote:
> 
> Tom,
> 
> Have you actually gone back there and checked to see if your cooling system is working? 5 minutes running with the flaps jammed closed or something completely blocking the cooling air intake is long enough to cause overheating at your heads. AGAIN: OIL TEMP WILL NOT INDICATE OVERHEATING AT YOUR HEADS. What will indicate overheating at the heads? Sinking/stretching valves often witnessed by tight valves - oh yeah, you have indicated that you experienced that.... so, is it not worth it to you to at least check to see if your flaps are operation and your cool air intake isn't blocked.?
> 
> feels a little silly giving the same suggestions repeatedly... but you keep asking for advice.
> 
> 
> 
>> On Tue, Oct 20, 2015 at 3:22 PM, Avocado Tom Tarka <avocadotom at gmail.com> wrote:
>> Jules,
>> 
>> The problem has gotten worse and now it happens regardless of engine temperature: it appears to be occurring after running for a certain amount of time say 5 minutes at speed.  It happens when the engine is warmed up and when it is not.
>> 
>> The engine does not appear to be overheating based on the oil temperature gauge.  The cooling fan has also been checked for obstructions.
>> 
>> Thanks,
>>    Tom
>> 
>> ----
>>  "We are MoTown. We are professionals. We're here to get the job done."
>> 
>> > On Oct 20, 2015, at 3:01 PM, jules <jules.herr at gmail.com> wrote:
>> >
>> > Why not try to blow back into the fuel tank with the cap on too? If you can
>> > blow back into the tank with the gas cap off, but not with it on that might
>> > be indicative of a fuel tank venting issue - another symptom would be
>> > vacuum in the tank when removing the cap to fill...
>> >
>> > but back to the original issue... when the engine cuts out Tom, have you
>> > checked to see if it's cutting out due to overheating?
>> >
>> > I don't see overheating on the list of issue even though you did mention
>> > that overheating situation was present in some of your scenarios.
>> >
>> > i think i suggested, but haven't heard any feedback as to whether or not
>> > you have you done any checks to the cooling system - like looking for
>> > something blocking the cooling air intake or making sure the flaps are
>> > operational and not stuck in the closed position.
>> >
>> > peace
>> > jules
>> >
>> >
>> >> On Mon, Oct 19, 2015 at 6:12 PM, <accessys at smart.net> wrote:
>> >>
>> >> don't forget to remove gas filler cap before doing this
>> >> Bob
>> >>
>> >> Date: Mon, 19 Oct 2015 13:27:41 -0700
>> >>> From: Tim Shepherd <forever-endeavor at hotmail.com>
>> >>> One thing you could try, short of pulling the tank or draining it, is to
>> >>> disconnect the fuel line from the pump and blow compressed air up the line
>> >>> into the tank.
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>