Does a rod knock render your block beyond repair?
05-11-2004, 04:08 PM
#1
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Does a rod knock render your block beyond repair?
My 94 B18B came down with a bad case of rod knock a while back (hence I swapped in a B20). I was told if you have a knock, the problem is the crank, and the motors junk (in an email from DH Racing, eBay co.). I was under the assumption I could just replace the rod bearings and it should be good to go.
Any advise? The motor had 160k on it, but was exceptionally cleaned. It did have the head gasket replaced at around 130k., which could be why it looked so clean inside the head.
What would the typical repair be? How much could I get for the long block (less everything) as-is?
Thanks!
Any advise? The motor had 160k on it, but was exceptionally cleaned. It did have the head gasket replaced at around 130k., which could be why it looked so clean inside the head.
What would the typical repair be? How much could I get for the long block (less everything) as-is?
Thanks!
05-12-2004, 01:43 PM
#4
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Re: (Family Guy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Family Guy »</TD></TR><TR><TD CLASS="quote">the problem is only in the crank journal and bearings.</TD></TR></TABLE>
What if these are damaged? Is the block machinable?
What if these are damaged? Is the block machinable?
05-13-2004, 06:35 AM
#5
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Re: (wreckedmyteg)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by wreckedmyteg »</TD></TR><TR><TD CLASS="quote">What if these are damaged? Is the block machinable? </TD></TR></TABLE>
I not a pro or anything, but the only time rod knock has to do with the block is when the rod siezes to the crank and put a hole in the block. lol
The noise you are hearing is caused by too much play between the rod and the crank it has nothing to do with the block. Part of a complete rebuild is to inspect the crank and get the journals back to servicing condition, but I guess if you manage to mess it up too much, the crank will be beyond repair, in which case you would find a new one.
I not a pro or anything, but the only time rod knock has to do with the block is when the rod siezes to the crank and put a hole in the block. lol
The noise you are hearing is caused by too much play between the rod and the crank it has nothing to do with the block. Part of a complete rebuild is to inspect the crank and get the journals back to servicing condition, but I guess if you manage to mess it up too much, the crank will be beyond repair, in which case you would find a new one.
05-13-2004, 03:04 PM
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Re: (Family Guy)
<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by KraZEtEggIE »</TD></TR><TR><TD CLASS="quote">my friend(builds motors for local machine shop) said next time my motor starts knocking put gear oil in it right away. it can over tripple the life of the motor. i think he said only use a quart tho. more and u wont be abled to go over 10mph. lol</TD></TR></TABLE>
just trying to help out
just trying to help out
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