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Re: Engine Knocking sound RB30
Rod big end bearings are most noticeable between 2000rpm and about 3000rpm. I heard quite a few nasty rattles like that before...
You can use a screwdriver with a long handle and place the tip up against the block. The handle rests up against your ear and it acts as a good way of hearing the rattle in the block. If it is rattling, then the crank will be damaged and a secondhand motor with a 6 month/10,000km warranty is normally around $500.
Getting the sump off in a R31 is a right royal pain. Have to unbolt the engine mounts from the cross member and jack the motor up to get room to get the sump off.
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N14 Pulsar
VQ35 conversion with major N/A upgrades, 6 spd FWD manual HLSD
18" Rims, big brake kit, Coil overs and freshly painted
Smashed Black VY SS Ute 
The workhorse...
Twin turbo 5.7L LS1 
Boyd Coddington 19" Turbine Wheels
AP Racing 4 Piston Brakes
Tein Coil over Suspension
HKS EVC 6 Boost Controller
PLX Devices DM-200 OBDII
Custom Front Mount Intercooler
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