Duramax Diesels Forum Truck of the Week
  #16  
Old 09-27-2018, 03:10 PM
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Chevy1925 Chevy1925 is offline
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Originally Posted by CRAWLEN View Post
I'm not really planning on ever going compounds. And I want to stay away from oringing or fire ringing. It's just been getting a few diffrent answers on what the studs can handle. When I was asking about turbos. I would just hate to do all this work to then lift a head.
that is going to be much more determined on tuning, machine work, and how you achieve your power than just head studs.

you are way over thinking this if you are just going to run a 68mm single.....
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  #17  
Old 09-27-2018, 04:20 PM
CRAWLEN CRAWLEN is offline
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Originally Posted by Chevy1925 View Post
that is going to be much more determined on tuning, machine work, and how you achieve your power than just head studs.

you are way over thinking this if you are just going to run a 68mm single.....



Not trying to over think it just getting mixed answers. Engine is getting completely built and mark will be tuning it. But everyone here says the cheap grade is fine but then on another post being told the opposite. I would oring the block but not sure if my machinest can do it. I'm in Australia so aftermarket support and knowledge on building these engines is a bit thin. That's why we might have issue oringing
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  #18  
Old 09-27-2018, 04:47 PM
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Most just run factory head bolts so...

You will be fine with standard studs. Majority who stud did so bc they had bad gaskets on LLY and early lbz...
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  #19  
Old 09-27-2018, 05:11 PM
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Who is telling you to run the more expensive studs?
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  #20  
Old 09-29-2018, 04:50 AM
CRAWLEN CRAWLEN is offline
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Who is telling you to run the more expensive studs?
I wouldn't say they were telling me to, it was just was just more leaning to it amd being told to oring the block with standard arps. That had me concerned, and if i could get away with running the high grade studs with out oringing.


Sorry about it all guys just trying to collect enough info so my self and my machinest can put this engine together and it be reliable
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  #21  
Old 09-29-2018, 05:05 PM
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I destroyed some head gaskets with H11 studs only. 72/483 twins, around 80# boost 1,100ish HP. They lasted maybe 4,000 miles before they went. Put back 625's with Oringed heads with no troubles with tripples and recently some nitrous lol. Not sure what boost is exactly now, but it's in the 90-100# range.
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  #22  
Old 09-29-2018, 09:13 PM
CRAWLEN CRAWLEN is offline
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Quote:
Originally Posted by Harbin_22 View Post
I destroyed some head gaskets with H11 studs only. 72/483 twins, around 80# boost 1,100ish HP. They lasted maybe 4,000 miles before they went. Put back 625's with Oringed heads with no troubles with tripples and recently some nitrous lol. Not sure what boost is exactly now, but it's in the 90-100# range.



Well if that's the case, 625 machined flat block and heads will be more then enough for Mark's 68/71 stg2 at 800hp, but will rarely see that power only when I want to have some fun
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