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Subject: "rod knocking after rebuild" Previous topic | Next topic
racersedge1821Aug-12-07 02:54 PM
Member since Jul 15th 2006
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#118306, "rod knocking after rebuild"


          

sup guys its me again i got my engine rebuilt at school and all specs are good but now my damn rods are knocking already the first trip to parts store (3 miles away) i get back to school knocking so i pull the pan my damn #2 end rod bolt is loose so i check out bearing all good and then when i pull the cap off i noticed that the second rod bolt was no where near as tight as the first one so i grab some of my old rod bolts put them both on and retorque them and put it all togeather i put oil in fire her up pers like a kitten.i drive it about 100 miles starting on breakin now the damn thing is knockin again so what do u guys think buy some new rod bolts with lock tight thread locker or hunt down some arp's thanks

Bronson Bentley

  

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Global Ruler Of All ThingsDarkOneAug-13-07 02:22 AM
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#118307, "RE: rod knocking after rebuild"
In response to Reply # 0




          

I think you've already damaged the rod, bearing, and probably the crank. You need to have that crank journal checked for out of round, probably turned down .010", and install new bearings. You'll need to replace that rod, too, as it's probably been beaten out of round as well. There is no easy "throw new rod bolts in and maybe new bearings" fix - they'll spin again in short order.

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2GeclipseRSAug-15-07 10:13 AM
Member since May 06th 2007
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#118308, "RE: rod knocking after rebuild"
In response to Reply # 1


          

What my man is trying to say is "you're fucked".


When you rebuilt your block, did you check the tolerances with plasti-gauge strips? Did you torque everything to spec? Did you use a shitload of assembly grease?

This stuff just doesn't happen out of nowhere.

Goodnight sweetheart...yes its time to go...bum bum bum bum bum...good night sweetheart yes I am one little a$$hole......bum bum bum bum....

  

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racersedge1821Aug-16-07 01:55 AM
Member since Jul 15th 2006
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#118309, "RE: rod knocking after rebuild"
In response to Reply # 2


          

yes i used plastigauge and everything was good i rechanged the rod bearings today and another road trip still knock so i'm going to either trade my talon for my friends 98 gs with nearly the same mods or sink another 3 to 4 huntred in the new bottom end what do u guys think if his car is in good shape it has 150,000 on it but its clean should i trade? thanks 4 all the help guys

Bronson Bentley

  

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racersedge1821Aug-16-07 01:57 AM
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#118310, "RE: rod knocking after rebuild"
In response to Reply # 3


          

o yeah when she came apart this last time #4 was spun so i closed my eyes and emery clothed the rod and cranks to get it smoothed and now i think the #4 is the one knocking again so i know 4 a fact i need a new crank any price quotes for a new oem bottom end thanks

Bronson Bentley

  

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2GeclipseRSAug-18-07 12:16 PM
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#118311, "RE: rod knocking after rebuild"
In response to Reply # 4
Aug-18-07 12:20 PM by 2GeclipseRS

          

www.partsdinosuar.com has your pistons, rings, rods and bearings. Cheapest i've seen and you're getting a brand new part.

Dunno about where you can get an oem crankshaft. Personally, i'd either hit up the u-pulls, ebay, or 2gnt's marketplace.


I'm really puzzled and interested to know the verdict of why the same bearing spun twice.

Goodnight sweetheart...yes its time to go...bum bum bum bum bum...good night sweetheart yes I am one little a$$hole......bum bum bum bum....

  

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