[Vwdiesel] Problem with top speed

[Matt_Lisa]

It almost sounds like your injection pump came a little loose and your
timing was retarded slightly.

Of course, that's only my opinion, I could be wrong... ;)

Matt
http://matt_lisa.home.sprynet.com/
On Wednesday, July 30, 2003, at 06:45 PM, Forrest L King wrote:

> I changed the fuel filter this morning when I put the new injectors in.
>
> On Wed, 30 Jul 2003 20:47:57 -0400 "Derek" <weasel1 at sympatico.ca>
> writes:
>> This may sound a bit retarded, but when was the last time the fuel
>> filter
>> was changed ?  A restriction  in the fuel delivery would most
>> certainly
>> cause high speed problems ( experiences with veg oil will teach you
>> that
>> !! )
>>
>>
>> ----- Original Message -----
>> From: "Forrest L King" <forrestking at juno.com>
>> To: <vwdiesel at vwfans.com>
>> Sent: Wednesday, July 30, 2003 7:03 PM
>> Subject: [Vwdiesel] Problem with top speed
>>
>>
>>>
>>>
>>> Hello,
>>>
>>> I have a 1981 VW Rabit pickup with a freshly rebuilt 1.6l NA
>> engine (new
>>> rings, same pistons).  I have about 2000 miles on the engine.
>> While on a
>>> recent trip I noticed very high fuel consumption after one
>> particular
>>> fillup - I was driving at an indicated 70mph.  As the day
>> progressed my
>>> top speed decreased.  the truck will now only go 55.  I accelerate
>> to 55
>>> in 3rd gear, and then when i shift to fourth i cannot get any
>>> acceleration.  I pulled the injectors and had them tested, they
>> were
>>> found to be 'poor, but useable'.  I purchased NEW injectors and
>> installed
>>> them along with a new fuel filter and air filter.  The problem has
>> not
>>> changed.  I still cannot accelerate above 55.
>>>
>>> The truck is equipped with an old style vacuum pump that has a
>> vent into
>>> the crank case.  The truck starts and idles fine, and after I run
>> down my
>>> test road (up to 55mph) and stop quickly at the end of the road
>> the
>>> engine idles terribly rough and acts as if it wants to die.  Could
>> my
>>> problems be related to the vent on the crankcase/vacuum pump??
>>>
>>> Any help is greatly appreciated,
>>>
>>> Forrest King
>>>
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>>
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>>
>
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