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Thread: ARP rod bolt question

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2008-11-15 21:11:48
ARP rod bolt question
I already posted this up on sr20forum but didnt get any respons. Someone told me to visit sr20-forum I might have better luck there.

The ARP rod bolt has an 0,1mm collar for 4mm just under the head.
This makes it fit pretty tight in the rod, just as the OEM ones do. (OEM has sort of ribs)
However a really respected SR20 mechanic told me it was better to hone the first 4mm of that hole so it would fit nice and smooth to prevent cracking of the rod.
Have you guys ever had problems with ARP rod bolts just pressed in without machining the rods?
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