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VL turbo is an RB30DET (correct me if I am wrong).

So, if the models go the same as the other RB range, non turbo would be RB30DE...

thats what i thought, i thought it would be rb30de

but apparently the rb30de is something completely different....

the picture below is a rb30de i believe

post-11625-1155198308.jpg

Edited by Tebie
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thats what i thought, i thought it would be rb30de

but apparently the rb30de is something completely different....

the picture below is a rb30de i believe

well, its a DE, not sure what capacity

the rocker cover is from a ECCS red top rb20 though

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ok guys let me set a few thing straight

the rb20 head doesn't bolt straight onto the rb30 block, and it doesn't even have enough flow anyway to do so

theoretically an rb30de is an rb30 block with an rb25de head on it

people put heads from rb25/26 on rb30 blocks, you can't from the 20 without modding, but why would you anyway it's too small

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Power is close to limited around the 350rwkw mark for the SOHC RB30ET (without going nuts on it in the first place). To get over this the DOHC heads from the RB25 and RB26 (even though I haven't seen a 26 on one as yet in real life). But in saying that cams are important.

Either way, you can make plenty of power with the SOHC RB30ET head, but if you're aiming for the 400rwkw + while allowing the engine to live a different head will be required along with selected cams etc etc.

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