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Date:         Tue, 14 Feb 2006 19:55:39 -0600
Reply-To:     Max Wellhouse <maxjoyce@IPA.NET>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Max Wellhouse <maxjoyce@IPA.NET>
Subject:      Re: compression testing... on the bench
Comments: To: Robert Fisher <refisher@MCHSI.COM>
In-Reply-To:  <02bb01c631cd$6d844700$647ba8c0@MAIN>
Content-Type: text/plain; charset="us-ascii"; format=flowed

I guess I was thinking that if there's 300+ ft. lbs of torque on that nut/bolt, that the engine might spin before the bolt did, especially if the pressure were turned down a bit.

Max

At 07:16 PM 2/14/2006, Robert Fisher wrote: >I'm trying to remember if this is one of those engines on which the pulley >nut (bolt?) is reverse threaded to the rotation- it might come off pretty >quick if that's the case. I had mine pop loose as I was commencing to >turning the engine to set the valves- this was on a stand, and I think I >hadn't worked out the proper direction at that point. It was also in the >middle of the night on no sleep, which is probably why I was having a >problem and don't remember much of it clearly > >I was thinking that if you had it on a bench you could maybe rig something >to the flywheel and get some quick turns out of it that way. Too bad 'ol >Goff isn't posting anymore, he could tell us all about cranking his Model T >as a young man. > >Cya, >Robert > >----- Original Message ----- >From: "Max Wellhouse" <maxjoyce@IPA.NET> >To: <vanagon@GERRY.VANAGON.COM> >Sent: Tuesday, February 14, 2006 4:35 PM >Subject: Re: compression testing... on the bench > > >>Any body tried hooking up an impact gun to the crank pulley and >>"gently" spinning the motor that way/ Bellhousings and starters and >>batteries are such a hassle!!! >> >>DM&FS >> >>At 02:34 AM 2/14/2006, Al and Sue Brase wrote: >>>I've got a 36hp on the stand right now, and since I have the crank and >>>nut from my 56 pickup, I figured I'd try a compression test with the >>>hand crank. It is hard to get consistent results when cranking by hand. >>>So, no, not really possible to check compression with meaningful results. >>>Al Brase >>> >>>Tabe Johnson wrote: >>> >>>>It's pretty hard to turn an engine over by hand fast >>>>enough to get a realistic compression reading. I have >>>>done the bench compression. It worked fine. I got a >>>>spare starter & bell housing, bolted it up, got out >>>>the spare battery, and cranked away happily. I >>>>was seriously considering how to mount a carb on the >>>>engine to get it running until I realized I'd need the >>>>computer for spark control. Then I gave up. >>>> >>>>tabe johnson/87 westy >>>> >>>> >>>> >>>> >>>> >>>>>Subject: Re: compression testing... on the bench >>>>> >>>>>Why wouldn't you just turn it by hand? >>>>> >>>>>Cya, >>>>>Robert >>>>> >>>>>----- Original Message ----- >>>>>From: "Matthew" <mpteleski@YAHOO.COM> >>>>>To: <vanagon@GERRY.VANAGON.COM> >>>>>Sent: Monday, February 13, 2006 3:15 PM >>>>>Subject: compression testing... on the bench >>>>> >>>>> >>>>>folks, i have a wasserboxer long block NOT IN A CAR >>>>>which i'd like to check its compression. Has anybody >>>>>bolted a bellhousing and starter to a longblock on >>>>>their workbench and tested the compression? (i know it >>>>>is a cold test, but it will give me an idea of the >>>>>quality of it, etc) >>>>> >>>>>thanks >>>>>matthew >>>>


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