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Author Topic: Welded Crank rod journals  (Read 3321 times)
Eddie DVK
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Posts: 867
« on: August 12, 2017, 09:04:30 am »
Are maybe one of you guys run into trouble with rod journal sizes on a welded stroker.
Bought a welded type 4 76 mm crank (second hand, but supposed to be never used) but rod size are so far off, that the rods can not spin freely.
They jam on some areas of the journal. You can also wiggel the rods around on the journal.
Measured the journals and they are 0.20mm of on certain areas. Shocked  Cry  Angry

Help appreciated

Regards Edgar
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Regards Edgar

" Type 4, it is a completely different engine. You have to drive one to understand! "
leec
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Posts: 2599
« Reply #1 on: August 12, 2017, 11:58:43 am »
Have it ground? At least it's over I guess
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Eddie DVK
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Posts: 867
« Reply #2 on: August 12, 2017, 12:07:31 pm »
Yeah well, that is what I am going to try, if possible.

But just wondering what the cause could be that it is way off.
And if someone else has encountered this.

Regards Edgar
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Regards Edgar

" Type 4, it is a completely different engine. You have to drive one to understand! "
Eddie DVK
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Posts: 867
« Reply #3 on: August 15, 2017, 14:59:01 pm »
Nobody else run into this problem with a welded crank?  Undecided
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Regards Edgar

" Type 4, it is a completely different engine. You have to drive one to understand! "
Martin S.
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Posts: 990
« Reply #4 on: August 15, 2017, 15:07:37 pm »
Sell it and buy a new one.
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Cal Look white 68 Bug with AJ Sims EFI Turbo 2332. 194hp 240tq @ 5500 rpm 3psi boost.
richie
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Posts: 5687
« Reply #5 on: August 15, 2017, 16:30:43 pm »
Quote from: Eddie on August 15, 2017, 14:59:01 pm
Nobody else run into this problem with a welded crank?  Undecided

No never seen one like that, do you know which brand it is Eddie?
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Cars are supposed to be driven, not just talked about!!!   


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