[Vwdiesel] Piston Ring questions

[Stephen Kraus]

Damn. I really can't afford boring right now. I really can't.

On Sat, Feb 9, 2013 at 8:54 PM, James Hansen <jhsg at sasktel.net> wrote:

> Well, that's rings then.****
>
> I would just start looking for oversize pistons and have it bored.  In for
> a penny, in for a pound, then you have something good when you're done.***
> *
>
> DO NOT forget to do the intermediate shaft bearings as well, if you leave
> it up to the machine shop, it will get overlooked, and you will regret it
> when you have poor oil pressure.****
>
> -james****
>
> ** **
>
> *From:* Stephen Kraus [mailto:ub3ratl4sf00 at gmail.com]
> *Sent:* February-09-13 7:39 PM
> *To:* James Hansen
> *Cc:* vw fans
>
> *Subject:* Re: [Vwdiesel] Piston Ring questions****
>
> ** **
>
> I've done a leakdown test, no compression test yet.
>
> Head was was rebuilt by a machine shop recently, so the HEAD is okay, new
> guides and seals too.
>
> My big thing is the blowby it has while running.****
>
> On Sat, Feb 9, 2013 at 8:37 PM, James Hansen <jhsg at sasktel.net> wrote:****
>
> smokes on startup.... Did you do the head, guides, seals?****
>
> Compression test?****
>
> that will give a good indication of cylinder wear.****
>
> -j****
>
>  ****
>
> *From:* Stephen Kraus [mailto:ub3ratl4sf00 at gmail.com]
> *Sent:* February-09-13 7:35 PM
> *To:* James Hansen; vw fans****
>
>
> *Subject:* Re: [Vwdiesel] Piston Ring questions****
>
>  ****
>
> This will be my 2nd tear down, the engine runs but it smokes on starting
> and has a lope in the firing sequence.
>
> I love this damned thing.****
>
> On Sat, Feb 9, 2013 at 8:33 PM, James Hansen <jhsg at sasktel.net> wrote:****
>
> lol... true enough.****
>
> I have a 6.0 litre ford spread across my shop at present for the second
> time.****
>
> yes, second time..... grrrrr....****
>
> -j****
>
>  ****
>
> *From:* Andrew .Libby [mailto:libbybapa at gmail.com]
> *Sent:* February-09-13 7:30 PM
> *To:* James Hansen
> *Cc:* Stephen Kraus; vw fans
> *Subject:* Re: [Vwdiesel] Piston Ring questions****
>
>  ****
>
> Even if it's a car you're not keeping it's worth it in the long run to do
> it right.  :-)****
>
>  ****
>
> On Sat, Feb 9, 2013 at 6:26 PM, James Hansen <jhsg at sasktel.net> wrote:****
>
> You need to measure the cylinders, and the pistons.  You don't change rings
> sizes to fix that kind of wear, the bore to piston measurement is the one
> that is the big deal. CLosest thing you can accomplish would be to get file
> fit rings, and set the end gaps yourself, but that  doesn't do sweet FA to
> make the ring shape of the piston ring conform to the bore it is oversize
> in.  Rings are made for a very narrow range of size.  Stretch one side, you
> no longer have a circle.
> If the pistons rock in the bore, you're more or less screwed, but really,
> you need some measuring tools. Outside micrometer and either a dial bore
> gauge, or minimum, a telescoping bore gauges which are quite economical,
> but
> have the most operator variability.
> If it's a car you're keeping, it's worth it in the long run to do it right.
> my 2 cents anyway.
> -james****
>
>
> -----Original Message-----
> From: vwdiesel-bounces at vwfans.com [mailto:vwdiesel-bounces at vwfans.com] On
> Behalf Of Stephen Kraus
> Sent: February-09-13 5:43 PM
> To: vw fans
> Subject: [Vwdiesel] Piston Ring questions
>
> So, I'm about to do a ring job on my 98 Jetta TDI, but I'm rather worried
> I'm going to need to bore and buy oversize pistons due to compression
> issues.
>
> Are there slightly oversized piston rings you can buy, or am I screwed?
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>
>  ****
>
>  ****
>
> ** **
>