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hi im making a list of stuff for my RB25/30 build

Spool RB30DET (DOHC) Rebuild Kit CP 9:1 $2,015.00 RB head oil drain kit $285.00 HKS cams 252/264 $800.00 RB30 $240.00 RB25det head $300.00 RB20 covers oil pump spool $790.00 oil restrictors $30.00 crank collar $175.00 timing belt (from mate) $50.00 turbo manifold 6booost (from a mate) $500.00 injectors intake (from mate) $400.00 HTA GT3586R turbo $1,800.00 water pump N1 $180.00 RB25det gearbox R34 $1,600.00 ECU $1,300.00

tolal estament atm

$10,465.00

need help with picking coils and have i forgoten anything

CHEERS Oscar

Edited by MRHD66
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I found some brand new stock oem coils on ebay which seem to be fine otherwise Splitfires. What is your power goal and do you plan to track it? Stock rods are probably ok up to 350kw but get new rod bolts and of course main and big end bearings. Do you have a wastegate and bov? I would forget the head oil drain kit but drill and tap the sump for breather(s) - have a read of the oil control thread http://www.skylinesa..._sk+oil+control

If you are going to track it get a bigger, baffled sump. If not at least get the Tomei baffle kit. You'll need a line and some fittings for the vct and probably some lines for the turbo and probably all new belts and hoses - don't get the N1 water pump as you will not be doing 8000rev/min. Oops - just saw your water pump thread - if you plan on running your RB30 at 8000 rev/min you will need a new quality harmonic balancer probably some valve springs possibly a modified ignition trigger depending on ecu as well as getting everything balanced. I run mine at 6500rev/min max (limiter set at 7000).

350 to 400 !! And yes it's goin to get balenced and new balencer what you recommend ? And will get head o ringed and ported too will be used to drag and on street it's goin into a HD Holden so have to modify the sump anyway will make it as big as we can was also thinking RB25 oil cooler set up on it too

Edited by MRHD66
  • 2 weeks later...

Wouldn't bother going to the trouble of O-ringing it's pointless. Just get a metal head gasket and arp studs, though if you're only looking for around 350kw you can get away with a stock head gasket and arp studs if you have a good tune.

As for porting just clean up the protrusions in the exhaust ports and give them a polish, no need to mess around with intake.

A balancer you'd want would either be a Ross Tuffbond or ATI.

A sump that can hold 6.5L with good baffling should be enough and with your oil drains drilled out and cleaned up you won't have a problem.

what Ive told some other good ppl i know, including ppl on this forum who have built there beasts.

take your number, and double it. then take 25%. then your in the ballpark of what it will all cost. provided you do alot of the work yourself.

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