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4.8 cracked deck

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Old Nov 8, 2018 | 02:10 AM
  #21  
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Originally Posted by RB04Av
It's a 4.8. No sense whatsoever in spending money fixing that block. Just like it didn't used to make sense to spend money fixing a 305 block.

Throw it in the recycle bin and spend the pennies to put something w bigger bores in its place.
Lol don't be mean to the 4.8 comparing it to the 305. They were actually turds atleast the 4.8 can be massaged to get some power out of them .
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Old Nov 8, 2018 | 02:12 AM
  #22  
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Originally Posted by Rick5.3
Man i would take it off your hands to mock up turbo piping but it would probably cost out the *** to.ship.
Funny you mention it, that's exactly my plan with it to use as a mock up block to build the turbo hot side .
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Old Nov 8, 2018 | 01:02 PM
  #23  
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Originally Posted by Lsx Rubi
I live pretty close to the water so , doesn't get that cold. There'll be that odd night where it'll get down to 5 degrees or so but that's about it , don't think it got that cold last year .
Originally Posted by 8.Lug
We have what's called a "maritime" climate here - the ocean keeps the temps very stable year round. Doesn't get very hot, doesn't get super cold.

Thanks for the info, learned something new, and that I'm missing out down here in Texas. It goes from in the teens to 110, and the weather is super erratic.
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Old Nov 8, 2018 | 10:56 PM
  #24  
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Originally Posted by BlwnLs1GTO
I wonder if that can be carefully grinded out in a valley shape fairly deep and then Tig Welded to fill it back in? Then machine it flat?

yes that can be done, have done it. only worth it on expensive stuff. last one I did was a caterpiller that cracked from the edge of the wet sleeve to a bolt hole almost as deep as the jug. They worried it might weep coolant into the oil. lots of pre and post heat and nickle 99 rod.

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Old Nov 11, 2018 | 07:44 PM
  #25  
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It seems that there was a prior head gasket leak, possibly caused by the deck already being recessed.

I think you're going to have continuing problems with this regardless of what is done to remedy it... as said above, make a coffee table (or mini wine rack)
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Old Nov 11, 2018 | 10:33 PM
  #26  
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Face it man, the block is DONE. Easy enough to get another one cheaper than getting this one fixed the right way.
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