<VV> Strange Performance Flat Spot

[Jay Pitchford]

OK, I did notice a flat spot / turn cut-out on a hard left as well as hard
right. Looks like a check for vent tube mods to the carbs is next in order.

On Thu, Apr 15, 2010 at 7:14 AM, Jay Pitchford <jay.pitchford at gmail.com>wrote:

> JR - I'll double check the left-turn-under-power reaction first, then go
> fill it with premium (as usual) and re-try both left & right turns under
> power. I don't know if the carbs had the mods done to it, so that will be
> the first thing to work on. After that, I'll move to float check and/or
> timing advance. I just had the secondaries rebuilt and linkage adjusted by a
> pretty good Corvair mechanic, so I'm betting against that.
>
> Thanks!!
>
>
> On Thu, Apr 15, 2010 at 1:45 AM, J R Read_HML <hmlinc at sbcglobal.net>wrote:
>
>> Well, if not "turn cutout" - which is pretty normal without mods to the
>> carbs - on a tight (especially accelerating) turn, it could be a matter of
>> carb sync or a matter of distributor advance not coming in soon enough.  I'm
>> a bit perplexed since you seemed to indicate that it only occurs or right
>> hand turns.  The floats are not set properly (equally) on both sides?  It
>> could also be a matter of the secondaries not "coming in" soon enough (and
>> not matched well with the timing advance [or not]).  Just HOW LOW is the
>> fuel in the tank?  I doubt it is related to the E fuel pump.  But, I suppose
>> that it could be related to slosh in the tank (that's a guess).
>>
>> Start by filling the tank (with 93 or better octane) and let us know if
>> there is a difference.  We can take it one step at a time.
>>
>> Later, JR
>>
>>