[V8] Infamous V8 No Start

[bhowell at rmi.net]

I have NEVER had this happen with any 5cyl I have owned and there has been
a lot of those in my life. It will happen from time to time with our 356,
but I can ALWAYS get it to start with some trying. However, with the V8, it
WILL NOT start. The only cure (for me) has been to pull the plugs and
replace them or clean them with brake cleaner and let them dry. Then pull
the fuel pump relay and crank motor with no plugs and no relay and let it
sit and "Air out" for as long as humanly possible (overnight is preferable).

I am running the "V-Power" NGKs as well (TR5) and have yet to have a
problem with them (until this of course). However, I did pull them out last
night and they looked HORRIBLE. The electrode was so worn that the "V" was
gone and they were very caked with carbon. Seemed odd to me that they would
look THAT bad because they can't have more than 10k on them and the set
before that went 22k. I put the Champion plugs in it and it still wouldn't
start. I pulled those back out, cranked with no FP relay and I'll see if
starts when I get home tonight with a new set of plug (I'll try the
Autolite's this time).

Ben 

Original Message:
-----------------
From: Tony and Lillie tonyandlillie1 at earthlink.net
Date: Tue, 10 Jul 2007 21:22:49 -0500
To: bhowell at rmi.net, v8 at audifans.com
Subject: Re: [V8] Infamous V8 No Start


Ben,

The V8 is not the only car I've experienced this in. I've had this happen
to 
various Audi 5-cyl's, both turbo and non, Porche 911's, and some older 
Mercedes models.

As for why, they all start somewhat rich, and have a tendency to foul the 
plugs. To combat this, I replace the plugs on mine every 10k. Never had a 
problem since doing that. I use NGK "V-power", FWIW.

Tony Hoffman


----- Original Message ----- 
Subject: [V8] Infamous V8 No Start


> Alright, Why does this happen with the V8, but no other car I,
personally, 
> have ever owned:
>
> Pull the V8 out of the garage, shut it off, couple hours later, pull V8 
> back into garage, shut it off, couple hours later (or next day), NO START!
>
> This has happened to us three times in the time we have owned the car.
The 
> first time it was MADDENING trying to figure it out. I know that it's 
> flooding because the plugs are soaking wet with fuel. The first time, you 
> guys suggested obtaining a set of Cheapie plugs (Champion) and sure 
> enough, $8+tax in plugs did the trick. However, I couldn't stand knowing 
> that I had Champion plugs in our precious V8. So, after a few days, I 
> swapped in some "run of the mill" NGK's. The Bosch plugs SUCK, but I
never 
> had a problem with NGK in my life and these were no different. 100% 
> trouble free until I made the "pull-it-out and then pull-it-in" mistake 
> and no start.
>
> I KNOW that pulling the plugs and cleaning the fuel off them or swapping 
> the Champion's back in (yes, I saved them) will solve the problem, but 
> WHY?  I know this happens to other V8s, so what causes it?
>
> Ben
> '91 5 Speed
> 

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