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i know ECR33 is series one GTS-t and BNR33 is series 2... not sure bout much else... I might even be wrong about that.

RB25DET is a race bred 2.5L Double overhead cam with Electronic fuel injection and a Turbo charger... assuming the HR33 is RB20E, it is a race bred 2.0L Fuel injected engine.

Chassis stamps according to Doug... (information from various web pages)

As far as I can tell an 'N' in the chassis code denotes 4WD. (GT-R and GTS4)

'B' is for the GT-R's (could be used to denote RB26?)

'C' is for Coupes (though I think the 32 and 34 GT-Rs are just BNR3x)

'R3x' Model (R32, R33, R34)

SUBJECT TO DICUSSION:

First Letter =

'H' Indicates an RB20 (E, DE or DET... see below) some had the following prefix (A=89, B=90, C=91, D=92, E=93) eg. E-HCR32 = 1993 model R32

'E' Indicates an RB25 (DE, DET... see below)

Engine Codes according to Doug... (information from various web pages)

RB = Engine Series (Race Bread ?Not sure how accurate this info is?)

2x = Engine size

20 = 2.0L

25 = 2.5L

26 = 2.6L

D = Double overhead cam

E = Electronic Fuel Injection

T = Turbo

TT = Twin Turbo

Engine codes...

| RB20E | RB20DE | B20DET | RB25DE | RB25DET | RB26DETT | RB30E |

I don't think I've left any out? (Other than the hybrid engines RB20/30 | 25/30 | 26/30)

Please, if I am wrong, someone post otherwise!

Thus ends the gospel according to Doug :P

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