[V8] Ball hone

[Dave Saad]

Just felt like yelling....

I see some talk here about nikasil - and AFAIK, these motors are all  
Alusil. I am unaware of any model year differences and the Audi  
Technician training manual from I believe 1989 says they are Alusil.  
You can have either technology refurbished - but it takes very  
specialized equipment.
I had a link to a shop that could do it, and I believe Ron found it  
as well.

All I had to do was clean out the bores (my machinist did this so I  
don't know exactly what he used) and install the new rings. Since I  
was mechanically in spec everywhere, I have had no problems, and oil  
usage has dropped dramatically.
The one thing I did not do was change the lifters, and they are  
clacking a little. Not a big deal I think but slightly irritating.
I have not driven the car too much lately but last week I took a 350  
mile trip with extended driving time at 100MPH (gotta love southern  
Idaho). The oil level on the dipstick did not change. My old motor  
would have sucked down a 1/2 quart on that trip.

Dave


On Aug 14, 2007, at 8:20 PM, Coleman, David wrote:

> So what exactly are you saying Dave?  It's safe or not?
>
> ;-)
>
> I'm going over in my mind the top end work I'm planning, and was  
> thinking about doing the rings (and bearings if needed) while the  
> heads were off. I'd leave the  block in the car and not touch the  
> crank (that stuff will rot your brain).
>
>
>
>
> --------------------------
> David A. Coleman
> BlackRock
> Sent via BlackBerry Wireless
>
>
> ----- Original Message -----
> From: v8-bounces at audifans.com <v8-bounces at audifans.com>
> To: v8 at audifans.com <v8 at audifans.com>
> Sent: Tue Aug 14 21:43:22 2007
> Subject: Re: [V8] Ball hone
>
>
>
> IT IS NOT SAFE TO RUN A BALL HONE THROUGH THE CYLINDERS!!!
>
> DO
> NOT DO THIS!!!
>
> YOU WILL DESTROY THE BLOCK!!!!
>
> If the
> cylinders are within wear limits, just clean them up with a chemical
> cleaner and call it good. If they are out of wear limits, well -  
> you are
> hosed unless you want to find a qualified shop to refurbish the  
> block. It
> can be done but you may as well just buy a new A8. It will probably be
> cheaper and easier.
>
> Are you replacing the rings?
>
> I
> would start talking to pashamad. He helped me get my motor rebuilt  
> and it
> seems to be running great. His method - and the one I used - was to  
> leave
> the crank in place, just replace the rings, and re-use the old rod
> bearings. Of course everything was measured and verified to be in  
> spec.
> (bearings and bores)
>
> For that matter - he just listed a rebuilt
> motor here a few days ago from a wrecked car. That might just be  
> the easy
> fix for you - unless you are a glutton for Audi punishment like I am
> :-)
>
>
> Dave
>
>
>> Just to be sure, it's safe
> to run a ball hone through the cylinders?  Or
>> is there some
> detrimental effect on the lining?
>>
>>
>>
>>
>> --------------------------
>> David A. Coleman
>> BlackRock
>> Sent via BlackBerry Wireless
>>
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