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What cuases this #688024
05/04/10 10:46 AM 05/04/10 10:46 AM
Joined: Nov 2007
Posts: 317
Indiana
7
79_W200 Offline OP
enthusiast
79_W200  Offline OP
enthusiast
7

Joined: Nov 2007
Posts: 317
Indiana
One season never, had metal in oil

5963364-IMG00018.jpg (130 downloads)
1979 W200 470
Re: What cuases this [Re: 79_W200] #688025
05/04/10 10:46 AM 05/04/10 10:46 AM
Joined: Nov 2007
Posts: 317
Indiana
7
79_W200 Offline OP
enthusiast
79_W200  Offline OP
enthusiast
7

Joined: Nov 2007
Posts: 317
Indiana
2

5963367-IMG00019.jpg (106 downloads)
1979 W200 470
Re: What cuases this [Re: 79_W200] #688026
05/04/10 10:57 AM 05/04/10 10:57 AM
Joined: Nov 2007
Posts: 317
Indiana
7
79_W200 Offline OP
enthusiast
79_W200  Offline OP
enthusiast
7

Joined: Nov 2007
Posts: 317
Indiana
3

5963385-IMG00020.jpg (104 downloads)
1979 W200 470
Re: What cuases this [Re: 79_W200] #688027
05/04/10 11:02 AM 05/04/10 11:02 AM
Joined: Jan 2003
Posts: 3,336
Summit, NJ
W
whiplash Offline
master
whiplash  Offline
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Joined: Jan 2003
Posts: 3,336
Summit, NJ
how did 1 and 2 look? Did you build the engine? what were the clearances on the bad ones? Was the crank journal out of round? What do the journals look like? more engine specs please.

  • 67 coronet 4dr, 383/727/GVOD, blown, EFI, daily driver
  • 230/238, 114°LSA cam, 1.6 rollers, 9:1 comp, 8 psi boost
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Re: What cuases this [Re: 79_W200] #688028
05/04/10 11:04 AM 05/04/10 11:04 AM
Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY Offline
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MR_P_BODY  Offline
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Joined: Jun 2003
Posts: 52,972
Romeo MI

Re: What cuases this [Re: MR_P_BODY] #688029
05/04/10 11:35 AM 05/04/10 11:35 AM
Joined: Nov 2007
Posts: 317
Indiana
7
79_W200 Offline OP
enthusiast
79_W200  Offline OP
enthusiast
7

Joined: Nov 2007
Posts: 317
Indiana
Short block was built at shop, a big shop not gonna name. Oil was said to be .003 clearance. dual line pick-up about 7200-7300 rpm. 1&2 look normal and mains show little wear. Im gonna have the crank checked and rods. just wanted input on what causes one brg next to the other wear so much more. The year before i ran this crank and had normal brg wear last year i upgraded to aluminum mains and had the shop build short block with new brgs

Last edited by 79_W200; 05/04/10 12:08 PM.
1979 W200 470

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