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Rod Bolt Re-use


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4 replies to this topic

#1
cammmy

cammmy
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Joined: 01 Apr 2011
  • Location:Wellington, NZ
I'm changing the big ends on the valver and would like to know if I can re-use the rod bolts or if they need replacing too?

Can I measure them and re-use if they are within a certain spec?

#2
MiCRO

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  • Name:Bruno
  • Location:Zagreb, Croatia
QUOTE (cammmy @ Feb 21 2011, 03:32 AM) <{POST_SNAPBACK}>
I'm changing the big ends on the valver and would like to know if I can re-use the rod bolts or if they need replacing too?

Can I measure them and re-use if they are within a certain spec?



I'm no expert, don't know if they are re-usable, but I wouldn't take a risk, they can't be so expensive. I know it's recommended to change head bolts, and I think rod bolts are under much more stress than head bolts.

Maybe I'm wrong.

#3
Ryan

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You can reuse them if they're in good condition as they don't stretch by any great amount.

New ones are £10 each these days.

#4
MiCRO

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QUOTE (Ryan @ Feb 23 2011, 12:10 PM) <{POST_SNAPBACK}>
You can reuse them if they're in good condition as they don't stretch by any great amount.

New ones are £10 each these days.


Not cheap, but still, you rebuild your engine once in what, 20 years? So I wouldn't go and save money on such an important part.

#5
cammmy

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hmmmm. My post just dissapeared.

Anyway, it pretty much said:

These are for the valver which has 285,000km on the clock but it still goes (very) well and doesn't blow smoke. I think the big ends are showing there age though.

Have got a set of bearings and ARP studs/nuts that I will put in this weekend, hopefully with a windage tray and baffled sump if my brother can weld everything up before then.