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Author: Subject:  Wasser box eng locks up but starts up again soon
Learner Dubber

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posted on July 27th, 2017 at 10:01 PM
Wasser box eng locks up but starts up again soon

Hi guy's, need some advice please, I have rebuilt a few wbx engines before and even run a 2.1 Turbo in my beetle. I have overhauled a 2.1 standard sizes on case crank & sleeves. When the case came together the crank turned freely by hand. I installed the engine and ran it for half an hour at idle. Then started revving up slightly to check for smoke, knocks, etc,etc and the engine locked up. however after 30 sec's the engine turns freely and will start first time and idles perfect. I reopened and saw that the centre main bearing caps have worked a little harder than the rest but nothing out of the ordinary, cleaned all up, polished the crank, fitted new mains. Now it will idle up to half an hour with 80deg normal, .5 bar oil press at operating temp. still does the same, locks up after half our. If I keep revs at 2300rpm it will lock up up after a minute. 1 minute later it will start up first click and runs like nothing ever happened but half an hour later, same thing. Using 20 W 40 Castrol as in all other builds. anybody had an experience like this before? Also running 1.9 carb on customers request. Please help!
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The artist formerly known as blue74l

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posted on July 28th, 2017 at 10:02 AM

mmmm............... might be woth asking the question here 

A few more T3 techies there

Futue te ipsum!!!
Wolfsburg Elder

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posted on July 28th, 2017 at 01:00 PM

Something else is tight in the set up
had 36hp mtr lock up when hot due to 1 pushrod guide being too tight. after refurb....just 1 ...ground it down and bingo!
Sorry not fam with the Wassers.

want any vw bits old but like me, Made in Germany!!!
Seriously Crusin Dubber

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posted on August 4th, 2017 at 06:23 PM

Maybe you being cheeky with endfloat, what you set at??
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posted on August 4th, 2017 at 08:42 PM

..Kombi whisperer amy be on the money particularly as it frees when it cools, the crank isn't showing seizure marks.

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