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  • 2 months later...

sounds like it will be a killer engine. More revvy than an rb26 and with more torque than an rb25!! very interested to see how it turns out. Are you using an r33 gearbox? cause the r32 one is just going to go POP! Also let us know what cams u go and if u convert to solid lifters

I'm joining in on this one guys. I want to stretch this little 2.0L engines wings as much as I can, using as many stock parts as posible.(it means I dont have S**t loads of money).

I have my turbochargers exhaust housing being modified at the minute. It's a T3 flange .63AR. What I did was bore into the scroll area in line with the direction of the airflow into the turbine, just before it turns the corner. This is where the external wastegate goes.

This way the airflow doent have to turn a corner to escape out to atmoshpere.

I'll have pics soon

Turbine

What will the gearbox's take??

I could do with something that can take 400bhp clutch kicks :cheers:

haha well the rb20 box wont last long doin those kinda stunts! especially with the extra torque of the 2.4L. Would strongly suggest beefing up clutch and upgrading to an r33 gearbox (they can handle upto ~400KW maybe more), they are basically a gtr box without the transfer case

I wouldnt spend the money on the g'box if it is still running ok, wait til/if it breaks. Mine is hanging in there, for a week or two it felt a bit ordinary after a fluid change but 1,000kms later it has come good, mind you that only 2.0L and less only 215-235rwkws...but spend the money on a kick ass clutch for the RB20 box, then when ithe box goes get the RB25, the few months you get out of the std box will lwt the bank account recover:)

BTW wanted to ask, i was thinking about it today if i change the storke of my engine does it change the compression ratio?? why yes it does.

Stock Bore and strok is 78mm x 69.7mm and the new bore and stroke is 82mm X 73.7mm.

THe stock compression ratio is 8.5:1

Anyone fancy working out the new CR, i bet other people don't bother with this but i bet its going to be easly in the mid 9:1's

OK first off sorry about 3 posts in a row, you should be replying bitches lol

I've just sent the order form off too TOMEI for the parts :cry:

I was saving this money for a holiday you know guys, lol

Tomei bit:

82mm Pistons for RB24DET

1.8mm head gasket 83.5mm ø

valve springs (soild type)

Soild lifters + adjuster shims

Timing belt

PROCAMs + pulleys (solid type)

£2500 spent at 3am in the morning, i'm going to wake up tomorrow and this will all just be a dream i hope. :rofl:

Tis going to be a beast :cheers:

P/s i need to know, does the GTR oil pump fit the RB20? is it a good upgrade if so? also water pump?

  • 2 months later...

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