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408 thrust bearing wear
#2098585
06/26/16 04:15 PM
06/26/16 04:15 PM
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Joined: Jun 2006
Posts: 76 georgia
intenseneon
OP
member
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OP
member
Joined: Jun 2006
Posts: 76
georgia
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Hey guys had built a 360 mag based 408, had the block line honed ect. good clearance numbers ect. Broke engine in on dyno, made pulls and it was good.Put 10 runs on engine chewed up thrust and a few rod bearings. 60 psi oil pressure when I pulled off trailer Redid engine, sent converter in to get check(nothing wrong). Trans was rebuilt last year and I ran it with no problems last year. So I redid engine after one day racing same issue.caught it In time to not get rod bearings this last time. Where else do I need to look to fix problem. Thanks for any suggestions.
69 Dart
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Re: 408 thrust bearing wear
[Re: intenseneon]
#2098596
06/26/16 04:40 PM
06/26/16 04:40 PM
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Joined: Feb 2005
Posts: 20,174 PA.
pittsburghracer
"Little"John
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"Little"John
Joined: Feb 2005
Posts: 20,174
PA.
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Make sure the converter hub floats freely into the back of the crank. I had one that wouldn't and took out the thrust
1970 Duster Edelbrock headed 408 5.984@112.52 422 Indy headed small block 5.982@112.56 mph 9.42@138.27
Livin and lovin life one day at a time
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Re: 408 thrust bearing wear
[Re: intenseneon]
#2098800
06/26/16 09:26 PM
06/26/16 09:26 PM
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Joined: Jun 2006
Posts: 76 georgia
intenseneon
OP
member
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OP
member
Joined: Jun 2006
Posts: 76
georgia
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Thanks for the responses I'm running a 904, is there anything I can check on it?, Front pump or something?, Hashing it out in my brain I might have a bit to much trans fluid in trans,i need to check that although no fluid is coming out anywhere.I have -6 an fittings for trans lines, checked for kinks and don't see any. the converter does float freely on crank, weird situation volare I hate to buy another converter,what amount of spacing do you have?. what I don't get is I was running trans with stock 360 and never had a issue. Thanks again guys.
69 Dart
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