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G54b for sale Dayton OH


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#1 croquest87

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Posted 14 November 2018 - 03:35 AM

https://dayton.craig...6714356586.html


Edited by croquest87, 14 November 2018 - 03:38 AM.






#2 Dad

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Posted 14 November 2018 - 05:40 AM

NA  block

#3 croquest87

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Posted 14 November 2018 - 07:12 AM

Besides flat top pistons and non turbo valves how much different are these blocks/engines comparing to g54b for turbo applications? Thank you Randy.

Edited by croquest87, 14 November 2018 - 07:18 AM.


#4 speedyquest

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Posted 14 November 2018 - 10:30 AM

The NA blocks will not have oil squirters for the cylinder walls for one. I also wouldn't be surprised if there are differences in oil passages, maybe coolant?

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#5 markhansenconquest

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Posted 14 November 2018 - 11:27 AM

crank is not nitrite coated.................
only turbo cranks are nitrite coated...............

Edited by markhansenconquest, 14 November 2018 - 11:28 AM.


#6 croquest87

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Posted 14 November 2018 - 11:30 AM

That's good info. I figured there was some differences but had no idea what.
Thank you

#7 speedyquest

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Posted 14 November 2018 - 01:02 PM

I've actually heard some back and forth about whether the nitrite coating is super important. I won't pretend to know about it, its just interesting that two different people both respected in the tuning world have differing opinions on it.

1987 Flatty Starion -- Widebody Conversion -- V-Mount Setup --  JDL Tubular Manifold  --  MX-6 Intake -- MS3-Pro -- AEM FPR  --  ARP head studs -- 3" hood exit exhaust -- Hahn Racecraft 16g --  Tial F38 Wastegate -- Tial Q Bov -- Short route piping -- 5 lug & LSD conversion -- Tubular Front End -- Manual Steering Rack Conversion -- Manual Brake Conversion -- Stack Digital Dash -- AEM UEGO -- D2 coilovers -- full GNT poly bushings & mounts -- four 8" rears -- car lightened significantly...  More to come!


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Build Thread --->  http://www.starquest...opic=143564&hl=


#8 croquest87

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Posted 14 November 2018 - 02:46 PM

I guess it's all about how hard you push the motor you know what I mean? Bet you it'll perform just fine under normal operating conditions. Bearings are aluminum so I would imagine that would give in sooner than the crankshaft. But engineers nitride treated it for longevity and performance on boosted cars sure there is a good reasoning behind it.

Edited by croquest87, 14 November 2018 - 04:33 PM.


#9 markhansenconquest

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Posted 14 November 2018 - 08:19 PM

Nitrite harding  turns the first couple of thousands of the crank journal in to glass hardness  .........Im a tool and diemaker   i know about metals and heat treatment.....that's why everybody wants a crank that has not been ground .010 under ..because u grind off the nitride harding............Mitsu knew what they were doing !!!!!

Edited by markhansenconquest, 14 November 2018 - 08:46 PM.


#10 croquest87

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Posted 14 November 2018 - 08:49 PM

View Postmarkhansenconquest, on 14 November 2018 - 08:19 PM, said:

Nitrite harding  turns the first couple of thousands of the crank journal in to glass hardness  .........Im a tool and diemaker   i know about metals and heat treatment.....that's why everybody wants a crank that has not been ground .010 under ..because u grind off the nitride harding............Mitsu knew what they were doing !!!!!
It just simply makes sense.


#11 Dad

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Posted 15 November 2018 - 05:41 AM

View Postmarkhansenconquest, on 14 November 2018 - 08:19 PM, said:

Nitrite harding  turns the first couple of thousands of the crank journal in to glass hardness  .........Im a tool and diemaker   i know about metals and heat treatment.....that's why everybody wants a crank that has not been ground .010 under ..because u grind off the nitride harding............Mitsu knew what they were doing !!!!!

The nitride hardening is deeper than that, I have tested cranks at .020 and still show the nitriding.   When I tried getting cranks nitrided it only penetrated  a few thousands.  some actually came off with a polish.

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#12 markhansenconquest

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Posted 15 November 2018 - 01:34 PM

Like dad said...I didn't know how deep ,,but that depends on the heat treatment and the process that they use....... if it fell off they didn't know what they were doing..............When I was a apprentice we sent some parts to get case harding and he cooked them so hot they melted....ha ha ha  How do u test it with a file or Rockwell tester ? I heard u can see the color difference between a nitride crank and one that is not .........do u have any pictures of nitrited cranks and ones that are not dad....  post them up if u do.....See by posting up u learn NEW things.......

Edited by markhansenconquest, 15 November 2018 - 01:40 PM.


#13 Dad

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Posted 16 November 2018 - 05:46 AM

View Postmarkhansenconquest, on 15 November 2018 - 01:34 PM, said:

Like dad said...I didn't know how deep ,,but that depends on the heat treatment and the process that they use....... if it fell off they didn't know what they were doing..............When I was a apprentice we sent some parts to get case harding and he cooked them so hot they melted....ha ha ha  How do u test it with a file or Rockwell tester ? I heard u can see the color difference between a nitride crank and one that is not .........do u have any pictures of nitrited cranks and ones that are not dad....  post them up if u do.....See by posting up u learn NEW things.......

I don't have pictures  handy but the Factory Turbo crank is darker in color vs a shiny NA crank,  We use a dye called Ni check from Gleason engineering to test if the nitride is present, easy test just a drop on the shaft  and if it turns color it is not  nitrided , it also test for tufftriding .

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#14 jinx

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Posted 16 November 2018 - 09:23 PM

wondering if/how important nitriding is ? Journals still get damaged either way. How many other engines use it ?
Same deal for oil squirters. Turbocharging more than double output on countless oem normally aspirated motors... lasting many years daily driven.




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