Jump to content
SAU Community

Recommended Posts

Hello

I am wanting to make my RB20 reach as close to 400hp as possible and keep good response.

I have received many suggestions which are good.

Just to look at the other side so that I can have all understanding of my options,

which is a good engine to put in the 32, a rb25 or rb26?

I read that the 25 is good but it has its problems and cant be boosted too high because of its compression.

I read that the 26 is great, just expensive.

Ive read that the s1 25 engine is easier to wire in than the s2 and neo, but the neo's ecu's is easier to have it nistuned, chipped, etc.

What are the pros and cons of putting a rb25 engine in?

What are the pros and cons of putting a rb26 engine in?

If I do these mods, my road tax and other expenses here in Japan will go up more than double for what they are for the stock rb20.

If it is not neccessary to put either in to get 400 hp and have good response, than I will not.

Once I mod up and tune my 20 , will I have better torque?

Tax will cost more in Japan?

Scotty, you can't recieve PM s.

Thanks Ben. 400 messages is only a few months worth it seems. :P

They pay extra registration costs (road tax) by engine displacement I think. No wonder there are so many small engine turbo cars there.

... rb24 time???

26 crank in an rb20 block, custom pistons.... stealthiest way to get more capacity for your 20.

I'd be starting with an r32 rb25 na head, 26 crank, rods and tomei (from memory) make pistons to suit? I think you have to notch the top of the rod blah blah blah

At least that way you retain the rb20 block and engine number, get some more capacity etc pop an hks 2530 turbo kit and ecu/fuel system of choice. Boom done!

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

    • Drain it. I got official Matic D but you can get whatever is listed as Matic D compatible.
    • Thanks guys,  Yeah I should at least have them dynoed, at least then I know what I've got as a starting point.  The springs on these are hard as rocks. I vaguely remember Russman saying he was going to sell the shocks to me with the rocks fitted, as he was keeping the softer springs for his new setup.  I didn't click at the time but of course that was to let me know the shock/spring wouldn't be matched.  I also remember pricing up new springs around 2014-15, but, house, money etc. it never happened. So that was another reason to have them rebuilt. I have rebuilt the forks on many motorcycles so I think I could handle the seals on these easily enough, but getting the valving right would be a rabbit hole I cbf exploring.  Duncan, interesting to hear RP was tuning these back then. I might give them a call.  In the mean time I have been busy fitting sway bars. The Whiteline rear sway bar I purchased 15 years ago finally got fitted, along with the Whiteline front bar that showed up last week. Just waiting on new links for the front sway bar to finish that off.  And my spare set of advan AVS VS5's should be back from the powder coaters in a Pearl White finish sometime this week, with a set of Hankook RS4's lined up for fitting.  And then I just have all the suspension bushes to do. A comprehensive kit is on the way... Lots to do before the Ararat hill climb. Cheers guys 🍻   
    • Nice car! I’m glad folks in the US have gotten past the FnF and are buying real cool cars like the 260RS I was with a bunch of mates in Portland about a year ago and spotted a green Stagea (just a regular 2.5T AWD) parked about 2 blocks away and they were like “a what?” So I made a bet with them for a round of beers and said “ok one of you run down there and tell me if the steering wheel is on the correct side” 5 mins later the American comes trudging back up the hill and goes “he’s right guys. Ok what beer do you want?”
    • Should replace OR drop the tank, give it's good clean. Might be worth replacing that entire fuel level/pump/cradle thing with this: https://frenchysperformancegarage.com/products/fpg-s13-180sx-r32gtst-single-pump-hanger-kit-billet-hat-6-v3-fpg-089?gQT=2  
    • Thank you so much for the help
×
×
  • Create New...