Jump to content
SAU Community

Recommended Posts

got my car back 2day from compression n leak test

Cylinder 1 - 125PSI & 20% leakage

Cylinder 2 - 130PSI & 10% leakage

Cylinder 3 - 130PSI & 80% leakage (exhaust valves)

Cylinder 4 - 120PSI & 30% leakage

Cylinder 5 - 60PSI & 80% leakage(crank case)

Cylinder 5 - 125PSI & 20% leakage

and turbo seals are blow, which is probably root cause of failure....

SO now i dunno.... :) gonna sit down with mechanix 2morrow

wat price am i looking at on a RB25DET rebuilt aiming for 300kw?

Pistons

Rods

Bolts

ORIGINAL CRANK WILL BE USED....

Valves need to be fixed up

Bearings

Honing

water pump

IS there anyhting else?

Can sum1 PLEASE fill in the prices so i will be a little settled 2morrow :)

Link to comment
https://www.sau.com.au/forums/topic/68921-engine-is-gonnnenene/
Share on other sites

if your aiming for 300kw there's alot of work that needs to be done. since your gonna rebuild ya engine get the head port and polish so you get better flow and the car becomes really responsive once you hit the pedal. metal head gasket is a good thing. go and see a guy by the name of harry at high octane he will give you a rebuilt kit including forge pistons and metal head gaskets. your probably lookin at $3000 for the kit. N1 water and oil pump. new timing belts while your at it. i work at chasers in melbourne if you have any other pm me i can give prices that we normally sell for down here. also get a new clutch. make sure its heavy duty. ya gonna need it for that power. also 550cc injectors, fuel pump, aftermarket computer, bigger intercooler. mate you be lookin at about $7000 and that's not including turbo. you should bring ya car to melbourne we can get you 300 kw at the wheels and explain it to you further.

Bore the sucker to 87mm, throw in a GTR crank and rods. :rofl:

Spend 1.1k on the head, that should include a rebuild, port polish & valve deshroud, cc & combustion chamber polish.

I used King engine bearings and the std. RB25DET pump.

I don't like the idea of running N1 pressures on the little RB20/25 S1 or RB30 oil pump crank engagement/drive. Its only myself being a little wary of the known issues.

You will be looking at an easy 5.5-6k for the motor alone. + labour.

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • Hey guys Long time lurker, I daily a nm35 stagea 250t rs four and I've had it for almost 2 years (very reliable 👌). Issues or just looking for information ill always find myself here having a read, so thought id join.  3inch stainless intake, pod filter, AM performance turbo dump pipe, 3inch hotdog, 3 and half inch stainless to 3 and half inch AM performance blast pipes. Bc racing coilovers. 18inch rims Hdi intercooler and trans cooler soon.  Here's my car
    • thanks for the advice on the box... i was thinking the 6 speed was better for cruising on the highway but on closer inspection and comparison the Rb 5 speed box was not too different...  So the choice is going to be the RB25 box... if I can save up and find one at the right price  
    • Thanks Matt, yes that's what i am aiming for. Just going to apply the right voltage and grounds to the dash connector. Hence my search for these pins... any chance you know if these pins are in the same spot as the ones on the S15 Dash connector? as mentioned above on page 8?
    • Yes, unfortunately that's the one. Signal was noisy to begin with; after driving once and looking back at the logs I saw pressure constantly swinging between 0-200psi, or staying at 0 randomly for a few seconds. There's a lot of good sensors that share the same look and feel, so don't presume they're all bad. I bought mine for 20$ off Amazon and I should have read the reviews prior, as it's clear they're junk.  I purchased a lowdollerr motorsports sensor. 
    • wedding eh.....I seem to get to more funerals than weddings or christenings these days....
×
×
  • Create New...