RB20DET > SR20DET in R32

[Rezz]

What do you guys think? I've seen this conversion at some shows here, and I think just from weight distribution alone it would be a good idea.

Right now I've just just got a stock shitter R32 4-door Type M... 100,000k's, couple of dings here and there, but this ones gonna be my long-term ride... hello engine swap.

Would anybody contemplate removing an RB from a Skyline?

[Doctor]

NOOOOOooooooooooooooooooooooooooooooooooooooooooooo

[T0nyGTSt]

What about an FJ20DET???

T.

[RBN1]

ask Meggala, he's putting SR into a R32 2door atm

Checkout his site for info

[slip]

RB25DET Neo would be nice. Not cheap though.

If it was driven hard on track or timed events I would look at an SR for the weight/handling befefits.

[Nismodified]

most ppl would tell you its wrong and your going backwards by going from Rb --> Sr, but i say go for it

weight distribution would be nicer, and there wouldnt be too many of these conversions around

[Rezz]

Why would people say it's going backwards? The capacity is the same, the SR (chosen carefully) would be a newer engine, the power is virtually the same...

Alot of guys here in Japan either bomb the crap out of the RB20, or get rid of it.

[predator]

I wouldn't do it unless there is a problem with your existing engine.. then its something to consider

You should be able to build up a RB20DET to 230-250rwkw without internal work.. about the same as an SR20DET

[Rezz]

I've been quoted 250,000yen (A$3,122.00) for the conversion.

Is that about right by Aussie standards?

[aybee]

i reckon a sr in the 32 would be sweet. as megalla says, better weight distribution and better low down torque

[Mini Me]

better low down torque from the 4cyl? how does the bore/stroke ratio compare. i don't know a lot about these engines but i was inclined to think that the 6cly would be torquier.

RB20 has a higher redline yeah?

[TTT]

the torque thing is a bit misguided.

YES the SR20DET makes more torque than the RB20DET.

SR = 155kw@6000rpm and 275NM@4000rpm at 8psi boost (ROUGH numbers)

RB = 158kw@6200rpm and 263NM@3200rpm at 8-9psi boost (rough numbers again)

the RB makes like 10NM less but at 800rpm earlier.

so whish engine is actually the more TORQUEY engine?

the one that has a little more torque or the one that pulls from lower revs?

hope this adds to the discussion.

[Ronin 09]

Don't look at peak torque. You have to look at both power graphs, and determine the total area under them. The higher of the two is the 'torquer' engine.

[TokyoTaxi]

I saw this conversion done in Japan while I was over there ( Osaka ) and it seems the main reason for doing this RB to SR swap is for race or drift purposes. The main thing is that when an SR is fitted, there's so much room between the radiator and the engine that you can bring the radiator and intercooler back into the engine bay for protection against front end damage.

Most of the ones I saw then ducted the air path up through the bonnet which keeps the air heated air flow away from the engine itself but about 1/3 of the air hitting the front of the car actually goes into the engine bay.

One of the guys I spoke to over there also swears by the reduction in front end weight and the great change in weight distribution. So if your RB is dead, go an SR instead !

[Rezz]

Yeah, that flat-mounted-in-the-engine bay intercooler setup is a definate goer... theres actually a flat-mount intercooler for 180SX's with extemely short pipes to and from the turbo/intake manifold which I'm looking to export to Oz.

FAT32> I'm in Osaka/Kobe. Who did you speak to?

[TTT]

what does the RB engine weigh?

the SR apprently weighs 189kg.

[TokyoTaxi]

Rezz, I was talking to one guy at the Osaka Auto Messe who spoke english rather well and that's where I got most of my info from. Didn't really talk to any workshops etc. about this subject. ( Don't speak enough Japanese to hold a conversation ).

I love the conversion from RB to SR it just makes so much sense and it looked awesome in his red drift R32 !!

[doxximus]

www.meggala.com

[Rezz]

Originally posted by FAT32

Rezz, I was talking to one guy at the Osaka Auto Messe who spoke english rather well and that's where I got most of my info from. Didn't really talk to any workshops etc. about this subject. ( Don't speak enough Japanese to hold a conversation ).

I love the conversion from RB to SR it just makes so much sense and it looked awesome in his red drift R32 !!

Was that this years Messe, or last (or one before that)? Mate, I saw a couple of Aussies (I can tell a countryman in a crowd of Japs no problem! ) there, I wonder if it was you?

Anyways, I love the conversion too, ESPECIALLY after Nismo retired the RB26 in the '02 JGTC in favour of the VG30DETT, for better weight distribution amongst other things...

[TokyoTaxi]

I went this year ( Feb 03 ) and I should be going again next Feb if all goes well. The year before I went to the Auto Salon in Tokyo but that's just too packed for me. You know, you probably did see me there. I think I was causing a bit of a disturbance by drawing the promo girls away from the hungry flocks of Japanese camera jockey's. He, he. Got some great pictures from that trip.

I've got a mate who lives over there called Alan then another mate called Gary who also joined us. 2 Aussies and a Greek in Japan, way too funny !