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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)
Comments: To: Damon Campbell <damoncampbellvw@YAHOO.COM>
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) > >__________________________________ >Do you Yahoo!? >Yahoo! SiteBuilder - Free, easy-to-use web site design software >http://sitebuilder.yahoo.com > > > >


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