Well a simple ten min job turned terrible when the freeze plug i was putting in the back of my block inplace of the pcv box put a hairline crack in my block. Now I was reading on here that people have Jb welded **** like this before, but this motor is fully built sleeved and powered w/ a gt35r, so this motor will be pushing some power. I was looking for low 500whp on race gas when it is retuned next week. So I pulled my motor out and tommarow I am planning on taking it to a friends shop where he has a TIG welder. I know of all the methods this has to be the best way. My question is this going to hold up or should I be on the market for a new Block? The crack is just on the nipple portion coming out of the block.

Before I get there to his shop I want to make it as easy for him as possible so should i just clean up the surface as much as possible? And is there any other prep work that I could get out of the way to make it easier for him to fix.
Thanks
Steve

 

....aaaaaannnd I was just planning to hammer in a freeze plug into my GSR block next week.

HELLOOOO Z10 plug!

 

got a pic? a hair line shouldnt be bad, just use some jb weld, should hold up fine

 

I couldnt agree w/ you more that 20 dollar plug that I refused to buy would of really paid off at this point.

 

But the absolute best solution to this is having it tigg welded correct. Verse any type of JB weld ext.

 

weld it up then, u pretty much just answered your own question, lol good luck

 

wohooo makes me glad that I bought the Z10 plug. i went arouind for weeks trying to find the freeze plug then gave up and bought the z10. Thought I save the gas money and just get it. Sorry to here about your block, but the JB weld should hold up fine as there is'nt alot of pressure there. ALso just make sure you clean the area up well, and scuff it up for adheasion.

 

Something that I didnt think of yesterday was when we go to weld this should I be worried that all the internals will still be inside and I know to weld aluminum you have to heat it up really hot. I may be worried about nothing hopefully someone can correct me or let me know about this before this afternoon when we are suppose to fix it.

 

We use freeze plugs all the time in that hole with no problems. I guess if you pound the wrong size plug in there, it could crack the block. If you weld it up, it will be fine. No problem with your internals. JB Weld will eventually break and if not caught quick enough, you could lose all your engine oil.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by earl &raquo;</TD></TR><TR><TD CLASS="quote">We use freeze plugs all the time in that hole with no problems. I guess if you pound the wrong size plug in there, it could crack the block. If you weld it up, it will be fine. No problem with your internals. JB Weld will eventually break and if not caught quick enough, you could lose all your engine oil.</TD></TR></TABLE>

So my question is the guy that is fixing my block is nervous becasue he says to weld the block due to the material you have to heat it up to hot as hell temps. Will this be fine with all my internals still inside the block or should i dissasemble. Either way will work for me I dont mind taking the internals out but i want to be sure I get it 100% right the first time.
Also after doing more research I found this stuff that is like JB weld but its Industrail strength (Moroso) I believe. Would this be a better alternative.

Yea the plug I used was a 34.9mm that I grinded down on the grinder and thought I had it close enough. I even used a fitting from my bearing installer kit that fit perfect inside the freeze plug to hammer it in. Oh well deff learned the hard way I,m just glad it was my own car and not someone else I was doing work on or for.

 

i just installed mine and it was a 35 mm plug that i ground down and it went in good and no crack maybe you didnt gind it down enough

 

mine also fit no problem.

 

i believe the plug should be 34.3mm.

Welding the block should not be bad at all. its aluminum, a little bit of filler and 5minutes should getrdun

 

Using an epoxy or Jb weld would only seal the crack, not preventing it at all from getting larger. After some more reasearch I will drill a small hole about 1/16 of inch away from the end of the crack and then just tigg it up. This way should prevent future problems that i can forsee if I were to just use an epoxy.

 

We use a Dorman plug 565-104...I believe it is 34mm