[V8] 4 cylinder V8

Michael Larosa Jr Mc.Larosa at Sun.COM
Fri Dec 10 11:08:02 EST 2004


is the bellypan off ?  if yes, i've had mt cap crack going thru a big puddle....
cap was hot didn't like getting splashed...

and yup dave v8's are very fussy about plugs and gas...  guessing it goes with a
hi compression motor...

Mike,


dsaad at icehouse.net wrote:
> Yes - the rotor can just fail. (cap too) You can probably measure resistance
> from the shaft to the rotor contact if it has failed - but not definately. If
> you see black lines on the cap or rotor you may have carbon tracing - which
> shorts out the spark. Check the coil tower for this condition too.
> 
> There is a $5 rotor out there that works just fine. It is a standard part for a
> early 90's VW. Sorry I can't provide a part number but if you find one that
> physically fits and has an internal resistance the same as the old one you are
> good to go. I think the resistance is 4K ohms.
> 
> I have also found that the V8 ignition needs a good clean plug or it mis-fires.
> I have never seen a motor so picky about plugs. Be sure they are good and clean
> and properly gapped.
> 
> Why did the cap crack? Have you had the tie rods replaced? If they are installed
> wrong they will break the caps off.
> 
> 
> Dave
> 
> Quoting Rex Pedersen <fega at fega.com>:
> 
> 
>>Hi Mike,
>>The rotors are glued on and don't have a new one. That's my next plan but
>>the rotor "looks" good. Nobody has them in stock around here and I have a
>>feeling that still might not be the cure.
>>Rex
>>----- Original Message -----
>>From: "Michael Larosa Jr" <Mc.Larosa at Sun.COM>
>>To: <Mc.Larosa at Sun.COM>
>>Cc: "Rex Pedersen" <fega at fega.com>; <v8 at audifans.com>
>>Sent: Friday, December 10, 2004 9:49 AM
>>Subject: Re: [V8] 4 cylinder V8
>>
>>
>>
>>>wopps just read your post again, already done plugs... swap the rotors ?
>>
>>or are
>>
>>>they glued on ?
>>>
>>>
>>>
>>>Michael Larosa Jr wrote:
>>>
>>>>have had the same issues.....  had to clean up all the plugs,
>>>>then it fired right up...
>>>>
>>>>
>>>>Michael Larosa Jr wrote:
>>>>
>>>>
>>>>>fouled plugs on the previous 4 dead cylinders ?
>>>>>
>>>>>
>>>>>
>>>>>Rex Pedersen wrote:
>>>>>
>>>>>
>>>>>
>>>>>>Hello folks,
>>>>>>
>>>>>>Been "off" the list for some time for many reasons but have just got
>>
>>back.
>>
>>>>>>My problem is with a friends 90 V8Q. It all of a sudden started running
>>
>>terrible. She took it to the dealer and they gave her a quote of $3800.00
>>for basicly a tune up. It consisted of new plug wires, distributors and
>>spark plugs. They said the right distributor cap was bad. Needless to say,
>>she opted NOT to go that way and brought it to me.
>>
>>>>>>What I found was the right distributor wasn't firing. I found the cap
>>
>>was broke. (not sure if the dealer did this or if it just broke). I replaced
>>the cap, spark plugs and cleaned the rotor but this bank is still dead. I am
>>getting a spark but not sure it is hot enough. I swapped the coils and coil
>>wires from side to side and still no luck. I pulled the codes and get no
>>errors.
>>
>>>>>>The rotor looks good but can it "just go bad"?
>>>>>>
>>>>>>Any ideas out there???
>>>>>>
>>>>>>Thanks,
>>>>>>
>>>>>>Rex Pedersen
>>>>>>_______________________________________________
>>>>>>Audifans V8 mailing list
>>>>>>Send posts to: mailto:V8 at audifans.com
>>>>>>Manage your list connection:
>>
>>http://www.audifans.com/mailman/listinfo/v8
>>
>>>>>>Have an Audi V8 question?  Check the Audifans Knowledgebase!
>>>>>>http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
>>>>>>Have a V8 answer? ... Please help others by adding to the KB ... all
>>
>>contributions welcome!
>>
>>>>>
>>>--
>>>
>>>    _/_/_/  _/    _/  _/     _/      Mike LaRosa
>>>   _/      _/    _/  _/_/   _/       TSE - HAS
>>>  _/_/_/  _/    _/  _/  _/ _/        1617 Southwood Drive
>>>     _/  _/    _/  _/   _/_/         Nashua, NH 03063
>>>_/_/_/   _/_/_/   _/     _/
>>>  S U N                              Phone: 781/442-1250
>>>  S E R V I C E S                    Fax: 781/442-5488
>>>                                     Email:mc.larosa at sun.com
>>>
>>>
>>
>>
>>_______________________________________________
>>Audifans V8 mailing list
>>Send posts to: mailto:V8 at audifans.com
>>Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
>>Have an Audi V8 question?  Check the Audifans Knowledgebase!
>>http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
>>Have a V8 answer? ... Please help others by adding to the KB ... all
>>contributions welcome!
>>
> 
> 
> 
> 
> _______________________________________________
> Audifans V8 mailing list
> Send posts to: mailto:V8 at audifans.com
> Manage your list connection: http://www.audifans.com/mailman/listinfo/v8
> Have an Audi V8 question?  Check the Audifans Knowledgebase!
> http://www.audi-quattro.org/cgi-bin/twiki/view/Audi/V8
> Have a V8 answer? ... Please help others by adding to the KB ... all contributions welcome!

-- 

    _/_/_/  _/    _/  _/     _/      Mike LaRosa
   _/      _/    _/  _/_/   _/       TSE - HAS
  _/_/_/  _/    _/  _/  _/ _/        1617 Southwood Drive
     _/  _/    _/  _/   _/_/         Nashua, NH 03063
_/_/_/   _/_/_/   _/     _/
  S U N                              Phone: 781/442-1250
  S E R V I C E S                    Fax: 781/442-5488
                                     Email:mc.larosa at sun.com



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