Author Topic: anyone know how to quiet down a rod knock?  (Read 3150 times)

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drayday55

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anyone know how to quiet down a rod knock?
« on: September 14, 2009, 09:26:13 PM »
well, my new crap motor has a knock at cold start and sounds like a diesel .  shoulda just put the head on my old block. i would been better off.

at least i know what I'm doing now and could whip through a lowere end build pretty quick!

if i had the money to do it that is.
i think it will hold together for a long time, but it is so annoying, I'm running 20-50 and dumped in motor honey to thicken up the oil a bit.
it kinda not really helped. :sick:
the damn thing runs so good though!  i think I'm gonna get a full kit from enginbuilder, pistons and all.  ill re use the oil and water pump

what do you guys think about his pistons?

axled89

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Re: anyone know how to quiet down a rod knock?
« Reply #1 on: September 14, 2009, 09:35:44 PM »
ya man just rebuild the bottom end, and be done with it.  :biggthumpup:
i love oregon wheelin.

86rustbucket

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Re: anyone know how to quiet down a rod knock?
« Reply #2 on: September 15, 2009, 02:24:09 AM »
if you dont want to spend $ and think it will run a while try turning up the radio real loud or drive with earplugs while humming or saying lalala :yupyup:

*ROKTOY*

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Re: anyone know how to quiet down a rod knock?
« Reply #3 on: September 15, 2009, 07:37:50 AM »
Yeah, just wait till it goes through the side of the block, then there won't be making any more noise.
« Last Edit: September 16, 2009, 06:20:07 AM by *ROKTOY* »

84pickup

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Re: anyone know how to quiet down a rod knock?
« Reply #4 on: September 15, 2009, 09:58:16 AM »
Yeah, just wait till it goes through the side of the block, then there won't be any more noise.

actually there would lol. i just had my 4th cyl rod put two holes in the side of the block. it still ran amazingly enough and you could sorta hear the rod loose in there. i'd definetly rebuild the bottom end. i know i should've after hydrolocking twice and getting water in the oil the second time and driving for probly ten miles to get home. mine didn't even knock before it blew. 
lets not and say we did.

Slolyfe

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Re: anyone know how to quiet down a rod knock?
« Reply #5 on: September 15, 2009, 10:07:22 AM »
90W hahaha
You'll never take me alive

drayday55 [OP]

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Re: anyone know how to quiet down a rod knock?
« Reply #6 on: September 15, 2009, 09:17:53 PM »
yah no kidding, lol  o well stuff happens

lilbuddy

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Re: anyone know how to quiet down a rod knock?
« Reply #7 on: September 15, 2009, 10:32:12 PM »
Spend 2 hrs and replace the rod bearings. Its incredibly easy.
RIP Kyota.... you are the man

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86rustbucket

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Re: anyone know how to quiet down a rod knock?
« Reply #8 on: September 15, 2009, 10:47:26 PM »
Spend 2 hrs and replace the rod bearings. Its incredibly easy.
can u just do it from the bottom with the engine still together? just pull oil pan?

lilbuddy

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Re: anyone know how to quiet down a rod knock?
« Reply #9 on: September 15, 2009, 10:50:18 PM »
Yes, its incredibly easy.

Unless its still IFS, then it wouldnt be worth it in my opinion.

But if its solid axle, its easssssssyyyyyyyyyyy
RIP Kyota.... you are the man

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79coyotefrg

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Re: anyone know how to quiet down a rod knock?
« Reply #10 on: September 16, 2009, 08:44:34 PM »
if he does it before the crank is toast,

 replacing rod bearings can be done in 2 hours max like LB said,

just rtv the pan gasket
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drayday55 [OP]

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Re: anyone know how to quiet down a rod knock?
« Reply #11 on: September 16, 2009, 10:06:26 PM »
well, the rod berings are new clevite 77  , i dont see how changing them will do any good?  i need to resize the rod to fix anything

the crank was turned 20 under and i did the pin bushings, but i never sized the big end of the rods. dumbass move
the berings did plastiguage ok tough!
if any of you rebuild a motor, chuck the pistons, resize the rods, bore 1 size larger and balance everything.
i know you can do alot less but look what happend when i went 80%

drayday55 [OP]

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Re: anyone know how to quiet down a rod knock?
« Reply #12 on: September 16, 2009, 10:08:04 PM »
if he does it before the crank is toast,

 replacing rod bearings can be done in 2 hours max like LB said,

just rtv the pan gasket

do you think i spun a bearing?  it does go away after warm!  if this is the case ill drop the pan tomorrow.
bad thing is i have been driving it and will 50 more miles tomorrow and yes i have a 85 sfa

drayday55 [OP]

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Re: anyone know how to quiet down a rod knock?
« Reply #13 on: September 20, 2009, 09:32:15 PM »
damn thing is getting louder, anyone in san diego have a sort or long block?

 
 
 
 
 

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