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Im after an oil pumpformy gtrand dont really wnat to spend the $1700 or so for a nitto, crank collar and machining, I know rb30's have a different geardesign, narrowdrive and dont seem to crack, however theyflow less. Im planning on running restrictors on the head feed, and a single turbo, which will both improve oil supply to the bottom end, am I mad?

Yep. You are mad. lol

Simon-s14 has a stock na bottom end with stock shimmed pump with 26 head in a drift car. But he is risking a stock sh rb30 bottom end so like 300bucks max.

weigh up the risk and decide

Just got on CT and found that heaps of people are running a8(turbo) pumps in big hp/8000rpm cars running down to 9's, just never heard of vls breaking pumps, seems to be a skyline thing. If simon s14 is running a stock na pump, then it would have even less load onthe drive flats, as they flow even less, wonder what his oil pressure is like

Edited by Adriano

Just got on CT and found that heaps of people are running a8(turbo) pumps in big hp/8000rpm cars running down to 9's, just never heard of vls breaking pumps, seems to be a skyline thing.

Don't forget though they are all auto, leave the line off a loaded engine/transbrake and you never see them sitting on limiters during burnouts. Definately big factor differences.

It's certainly not the RPM that's the problem on a well balanced motor.

Where did you get $1700 for crank collar and install from? The collar itself is $150 and I had a wide crank collar fitted to an rb25 crank for a little over $100. Even if having the crank micro polished, straightness/crack/balance checked and grub screw cleaned you'll come in at well under a grand.

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