Duramax Diesels Forum Truck of the Week
  #841  
Old 12-06-2018, 12:40 PM
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And not being one to take another persons work for granted, I popped a couple top rings down in few random bores. Checked 3 places top to bottom, .026 gap on the money.

Now I'm going to go test my luck blasting this TBC off. Then order some new rings to file down again. Which I haven't personally done since 1993..
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  #842  
Old 12-06-2018, 03:45 PM
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Quote:
Originally Posted by kidturbo View Post
Yeah coated only about halfway down. This call also on the suggestion of swain to protect the crown. Zoom in on piston pic post 783.

NC, I ran down to Raleigh to check out an LT5 engine my buddy at Crawford Racing is doing. Little CANBUS and L5P throttle body hacking side project.

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Cool, my reg cab is at Mayhem in Raleigh for head work and tuning. Bunch of performance shops up that way. You head this way much?
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  #843  
Old 12-06-2018, 05:55 PM
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No that's only second time I've been out to Raleigh area. It's a good haul out there off of I77 that I normally travel.
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  #844  
Old 12-06-2018, 07:26 PM
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Next time your in Raleigh and staying drive on down to Wilmington, it's about 2 hours. This place is unique, Lots of cool history, downtown is on Cape Fear river, midtown has college and then there's 3 beaches that are each much diffrent from the other. Fishing is great almost year round offshore and inshore as well, if I'm not buried in a console I'll show you around.
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2010 GMC 1500 SCSB Denali Clone < lifted 22's/33's, Kooks, Magnaflow, 5.3, 6l80, TVS1900, lots of boost, Mayhem tuned, etc... <<<<Broken Under Construction : BTR boost cam, sodium valves, titanium springs, 15% overdriven balancer, 80lb squirters>>>>

1969 MGB GT MKII Factory Condition

2016 LML CCSB Denali < Lifted 22's/35's, Fox 2.0 < I officially need help.
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  #845  
Old 12-06-2018, 08:24 PM
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Cool will do.

Gave the glass beater a shot. No luck with fine material. Cleans the soot off nicely, but just smoothes out rough edges on the coating.

So guess I'll be calling up Swain Tech again tomorrow to explain how I'm not risking 5k worth of pistons to remove their F-up's. They said they have a way to safely remove it, so will hope they do. . .



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  #846  
Old 12-06-2018, 10:29 PM
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Could you not just remove it from the side of the pistons and leave the top intact? Or are you worried it will flake off and do more damage?

Seems to me if it could resist the blasting maybe it should stay
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  #847  
Old 12-06-2018, 10:38 PM
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This set only has couple hours running time. While the other set with 8-10 hours showed much more lifting on the top. So I would like to remove it all and then polish the tops as I had good luck with that approach on previous build on std race cast pistons.

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  #848  
Old 12-11-2018, 10:33 PM
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Dustin brought his bead hone over today. Most of the scuffs came off with just a few passes. But still a couple with marks that will be there till the next rebuild.



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  #849  
Old 12-14-2018, 12:29 AM
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Not stripping the block down?
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  #850  
Old 12-14-2018, 09:12 AM
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Heck no. Just masked off the decks and wrapped up the rod journals nice and neat. Once we finished couple hone passes, washed everything down with brake clean and hit it with some wd40.
Built these to be serviced quick and easy, this was a good test of that design concept.

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  #851  
Old 12-14-2018, 11:50 AM
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I'm leery of grit getting washed down into the mains
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  #852  
Old Yesterday, 11:45 AM
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Quote:
Originally Posted by PureHybrid View Post
I'm leery of grit getting washed down into the mains
Thought about it for a minute, then concluded an 0.0005 gap isn't gonna let much of anything in.. Gravity was on our side also.

Plugged the rod journals, so will just flush the main line with clean oil before installing pistons. Then prelude system same as before when done.

It wasn't really that messy with two guys and a role of towels. Hone a hole, wipe it down, repeat. Garage floor looked much worse... lol.

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