Author Topic: piston protusion ?'s noobish  (Read 7697 times)

Reply #30December 26, 2009, 11:04:05 am

maxfax

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Re: piston protusion ?'s noobish
« Reply #30 on: December 26, 2009, 11:04:05 am »
THe particular block I glued together just had small cracks around the holes..   The blocks that had chunks broken loose have long gone to be melted down and made into a Prius..   

Brazing was actually my first choice at repairing..  It'll actually draw into a crack like solder... However I wasn;t able to get things hot enough for it to take properly..  Or probably more to the point, I was afraid to get things that hot...  Had I had the engine in pieces I may have tried it.. 

It wasn't uncommon back in the day to tear down an old Willy's F-Heads and see brass between the center two head bolts on the deck.. I've seen alot of other early engines that have been brazed back together as well.. Hercules ZXB and ZXA's, an old Pontiac I-6, etc.. Of course most of these engines were low RPM and low compression.. I'm sure the alloys were different too..  The alloy used on the VW engine seemed to dissapate heat much better than alot of that older stuff, I could barely get it glowing...


Rabbits & Caddys were built in an old Ford plant (I think) in New Stanton Pa from 1978 - 1984...  Something to the tune of 2 million IIRC.. 1981 was the first year of the 1.6, and the only year (other than some 1982 carry overs) they had 11mm head bolts..

Reply #31December 28, 2009, 09:14:54 am

Rabbit on Roids

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Re: piston protusion ?'s noobish
« Reply #31 on: December 28, 2009, 09:14:54 am »
oh hell, im pretty sure my grandpa had that whole corner of the block glowing red. and im almost positive that the bore is probably out of round pretty good now. but whatever, he still doesnt believe me when i tell him his caddy will get better mileage if he times it with a gauge.

Reply #32December 29, 2009, 07:30:42 pm

maxfax

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Re: piston protusion ?'s noobish
« Reply #32 on: December 29, 2009, 07:30:42 pm »
Gauge!??!?!?   BAH!  I never even layed my hands on one till 2 years ago..  About the time I started reading the gosh darned forums..  :-X  Any time I have used the gauge I still end up toying with the pump till it sounds right...  If I were wiser I woudl put the gauge on BEFORE I tear these things apart..  THen I'd know exactly where to set the thing back to...


I wonder how those rings would feel about a red hot block around them.....  :o    And, I wonder how the OP feels that we've pretty much jacked his thread..    ;D

Reply #33December 30, 2009, 08:38:12 pm

Possum79

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Re: piston protusion ?'s noobish
« Reply #33 on: December 30, 2009, 08:38:12 pm »
I don't mind my threads being jacked. Usually leads to more questions when I read stuff. Right now Im out of questions. I should be taking the motor completely down this weekend and looking more at the block for any cracks. I need to call a guy about borrowing a trailor to tow the car to my father in laws property. He said I could store it there and work on it he didnt car. MY dad on the other hand is getting pissed its sitting in his driveway and hasnt been touched in months. hahahahaha. I really hate to ask to borrow stuff from people I dont really know that well. Also I would have to borrow my father in laws truck to pull the trailer.
1979 VW Rabbit Diesel L
My car may be ugly but im addicted to it.

Reply #34January 08, 2010, 02:10:55 pm

Possum79

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Re: piston protusion ?'s noobish
« Reply #34 on: January 08, 2010, 02:10:55 pm »
Ultimate sad face. Car is going to pick n pull soon. I just dont have the funds to try and source the stuff needed to make this worth anything. Block is cracked.

1979 VW Rabbit Diesel L
My car may be ugly but im addicted to it.