Rb20det Bolt On turbos? (Or upgrade?)

[A31cefiroNZ]

Hey all just wondering what would be a good upgrade that would bolt on to my rb20det? Was told by the people at shop that the op6 rb25neo would be to big for my rb20det? What options are around. Thanks team 🤘

[GTSBoy]

1 hour ago, A31cefiroNZ said:

Was told by the people at shop that the op6 rb25neo would be to big for my rb20det?

Well, there's no way that that's true, because that's a stock turbo for a barely bigger engine and you can put substantially larger turbos than that on an RB20.

The NeoOP6 is good for maybe 200rwkW on a 25, possibly more or less on a 20 (probably less). They really don't spool up a lot more lazily than the stock RB20 shitter turbo, so it's all win win....if you can find a good one, and if you are prepared to continue to live with a ceramic turbine that could fall off the shaft at the changing of the season.

I have seen near stock (internals, etc) RB20s make >260rwkW on big turbos that come on like a light switch at 4500rpm or so. The happy medium is somewhere in the low 200s I think.

If you want a new turbo, or to perhaps highflow your existing one, look at Hypergear.

[niZmO_Man]

I put an OP6 in my full stock (including exhaust) RB20DET back in the days, was great. A little laggier than standard but hammered to redline. Being a bit more laggier meant daily driving returned better fuel economy.

Also, look in here:

There's a Hypergear turbo dev thread in the next page, another option for you.