Date: Thu, 14 Aug 2003 06:55:30 -0400
Reply-To: vw4x4@FYI.NET
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Eric Zeno <vw4x4@FYI.NET>
Subject: Re: 2.3L WBX build, install, test drive,
and confounding questions... (pretty darn long)
Content-Type: text/plain; charset=us-ascii; format=flowed
No HOt start is Over heating. Also called pre-ignition. Over heated
oil also thins, causing low oil pressure. ..... ! You sound like
your over heating to me.
Eric
Damon Campbell wrote:
>I finished up the 2.3L WBX engine last week, and got
>it running this week (couldn't work on it over the
>weekend because of that whole "wedding" thing getting
>in the way - and i mean mine :-). So we fired it
>up... or at least tried to. Really difficult to crank
>over, but with a boost (4 year old battery...), it
>fires up, and we are all happy. A mellow drive to
>Santa Cruz over hwy 17 shows it running strong, and
>willing to get up hills with enough power in 4th gear
>- not crazy amounts, but enough to accelerate a bit,
>too, and not have to downshift (even at 40mph). It
>drives really well... smooth, quiet, and enough power
>to feel solid and not wholly underpowered.
>
>However. And this is a *big* however, there are two
>problems...
>1) When hot, even with a brand new battery, the
>engine simply won't crank over. At best, you may get
>1/2 a lazy revolution. It cranks over and fires up
>cold with some difficulty, but it does.
>2) Oil pressure is low (grrr...). When at full temp,
>idle is around 5psi and at say, 3000 rpm, we are
>closer to 20-25psi. These obviously aren't great.
>Not even close to good.
>
>The confusion is that these seem almost contradictory.
> No hot start almost seems like a bearing binding, but
>low oil pressure and smooth running seems like
>excessive clearances? Just stabbing in the dark here.
>
>
>I'm just about ready to pull it apart again and take
>it to volkscafe and have them rebuild the shortblock
>again, just so i know it is done right (quick plug for
>Peter's awesome customer service, btw). But i want to
>know if any of you have any thoughts on what these
>problems may be. In the stand, the crank turned over
>fine with no resistance, and with pistons installed,
>still felt pretty darn smooth... I'm pretty much at a
>loss, and could really use some help here.
>
>Thanks much to the list gods,
>-Damon
>
>(on a positive note, i have a really good idea of what
>is going on in the engine back there, and how to
>kludge up a 2.1/1.9 hybrid...)
>
>=====
>'84 Westy (Sparky)
>'65 Kharma Ghia (Dharma)
>
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