Date: Sat, 20 Nov 2004 02:03:52 -0500
Reply-To: Benoit <huotb@VIDEOTRON.CA>
Sender: Vanagon Mailing List <vanagon@gerry.vanagon.com>
From: Benoit <huotb@VIDEOTRON.CA>
Subject: Re: I have a dificult one (Very thecnical/Aircooled) NVCBBC
In-Reply-To: <Pine.GSO.4.21.0411200146420.9810-100000@oola>
Content-Type: text/plain; charset=us-ascii; format=flowed
Eric, after 20 years in the engine world, i know what a TDC is!!!!
This is a camshaft incorrectly indexed to crankshaft problem, not a TDC
problem.... sorry kid.
Still, i thank you for your comment.
Regards.
Eric Zeno wrote:
>Ben,
>Sound to me like you are not adjusting at TDC (top dead center).
> Each cyl. need to be moved to the firing position.
>
> Eric 86-VW4x4
> vw4x4@fyi.net 86-SS Syncro
> Pittsburgh, PA USA 1936-Chrysler
> 92-Jetta GWC
> www.fyi.net/~vw4x4/vw4x4.htm
>
>On Sat, 20 Nov 2004, Benny boy wrote:
>
>
>
>>Good day guys, i hope you can help me....because am very confuse in regard
>>of a valves adjustment on an engine that am re-sealing!!!
>>
>>Here is the deal, it all began when we thought (customer and me) i was
>>working on a 2.0L 78 engine with hydro, along the way when the heads were
>>out and i had to remove a lifter wile changing the pushrods tubes O-Ring,
>>after many measurement:
>>Valve diameter = 41mm intake / 34mm Exhaust
>>Bore and Stoke = 93mm bore / 66mm for stroke
>>Case = AW014863
>>Head # = 021-101-371S (still not sure of those number????)
>>
>>Anyway, to make a very long story short, wile i was almost done with this
>>engine, it was time to do the valves as i know now that i have solid lifters
>>(i know Vanagon lifter, i hope that Bus's hydro lifter are the
>>same?????).... so like always, 006 on #1 and up to #2 but????????????????
>>Now that am on #2, intake valve on #1 as now a 1/8in gap????????? anyway, as
>>i try to do all other valves and cylinder, i found that all valves are way
>>to tight (like if this was hydro lifter - 1 turn in), so i do all the valves
>>to 006 anyway...
>>
>>Here is my problem: as soon as i move to the next cylinder, the one before
>>end up with a very loose valve (Mostly intake except for #2), that loose is
>>at least 1/8in????? So i say to myself, something is really wrong here, so i
>>double check the TDC on #1 (visual piston position, pulley position on "0"
>>and distributor position on #1 and on notch) Everything is fine, i even
>>check the cam lobe position though the lifter hole (looks fine to me but
>>difficult to be sure) So i go to a 1.7 am bulding right now , the core is
>>not close so i compare the lobe position with both engine, they looks OK to
>>me, but am not sure!!!!
>>
>>My conclusion: Well, i have none! the only thing i can see is a wrong cam or
>>a offset cam position....i don't know what to think.....
>>
>>Thank a million for any advices!!! Am lost here..... and very tired.
>>
>>Regards, Ben
>>ps.: here is the engine project web page:
>>http://www.benplace.com/type2_engine1.htm
>>
>>
>>
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