Messiah Posted March 31, 2005 Share Posted March 31, 2005 Ok now i havnt trolled through a search to see if anyone else has suggested this yet, but i do remember a lot of people asking about this. I was thinking about the nissan engine naming system the other night while a tad bored and this is what i've come up with, if anyone knows better please correct me. Now as we all know the SR is a 4 cylinder alloy block, and the RB is an Iron 6. Now the japanese word for "4" is "Si" and the jap for 6 is "Roku", to me this is a pretty obvious pointer. SR must mean "4 - somethingorother" and RB "6 - somethingelse". Now can anyone tell me if there is a japanese word for Alloy or aluminium that begins with an R or a word for iron that starts with a B? Any takers? Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/ Share on other sites More sharing options...
funkymonkey Posted March 31, 2005 Share Posted March 31, 2005 japanese slang for alloy is "alu" if that helps. something that dosen't sit right with that theory is the fact that FJ20's and CA18's are all 4 cylinders and they have different characters, same with the older L series straight 6's. One of the guys suggested that R was for Rong (japanese dosen't have an L in katakana, hence Long is pronounced Rong) and S was for Short I think we threw something at him for that stroke of brilliance. Good theory though, sounds a lot better than the nut-jobs that think RB stands for Race-bred. Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1276758 Share on other sites More sharing options...
Messiah Posted March 31, 2005 Author Share Posted March 31, 2005 cheers funky..... well the good news is that the FJ and CA thing doesnt go totally against what i've said.... but instead just throws any hope of consistency to use as a lead... bugger I hope you threw something heavy at him do we have any other takers with theories on these that ARENT "Race Bred" or related. Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1276773 Share on other sites More sharing options...
KamikazeR33 Posted March 31, 2005 Share Posted March 31, 2005 rooted bearings? Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1276868 Share on other sites More sharing options...
Mandingo Posted March 31, 2005 Share Posted March 31, 2005 ^^ lol Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1276932 Share on other sites More sharing options...
nemz Posted March 31, 2005 Share Posted March 31, 2005 rb20 = really big 2 lirtre rb25 = really big 2.5 litre so on so forth its a tested theory and sr stands for small reamer Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277015 Share on other sites More sharing options...
Pva_Glue Posted March 31, 2005 Share Posted March 31, 2005 its like asking what is 'pH' stands for?! Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277065 Share on other sites More sharing options...
33SOM Posted March 31, 2005 Share Posted March 31, 2005 RB ReBuild?? Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277115 Share on other sites More sharing options...
Rezz Posted March 31, 2005 Share Posted March 31, 2005 Guys I wouldn't waste too much time trying to figure out why Nissan used 'RB'26 or whatever... I noticed that most of the guys who do seem to think the Japanese people think in English, thereby we have numbskulls sayin "RB means 'race Bred' uleh!"... LOL as if the Japanese would do that. But one little hint as to what they did mean, the R31 Skyline range included the '2.8D GT Passage D' which obviously was powered by the 'RD28' diesel engine. So if we look at that designation, the 'D' in 'RD28' means diesel of course... obviously... nothing groundbreaking there. Hmmm, I'd go as far to say that the first letter ie: 'R' in 'RB26' is just a letter used to signify a petrol inline six. Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277382 Share on other sites More sharing options...
Messiah Posted March 31, 2005 Author Share Posted March 31, 2005 its like asking what is 'pH' stands for?! pH? why that stands for pH = -log10[H+] which is the "hydrogen ion exponent" and the designation PH for the numerical value of the exponents of this power. [H+] indicates the activity of H+ ions (also written [H3O+], the equivalent hydronium ions), measured in moles per litre (also known as molarity). why do u ask? Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277396 Share on other sites More sharing options...
funkymonkey Posted March 31, 2005 Share Posted March 31, 2005 who want's to play "pick the guy with a degree in science" Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277409 Share on other sites More sharing options...
geordie Posted April 1, 2005 Share Posted April 1, 2005 //!!lol!!// Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1277671 Share on other sites More sharing options...
TTT Posted April 1, 2005 Share Posted April 1, 2005 maybe you should have trolled through search.. you would have found this.. R = 6 cylinder, closed deck. B = Gasoline application using cast iron/nickle based block. S = 4 cylinder, closed deck. R= Gasoline application using sand-cast alloy based block. K = 4 cylinder, closed deck. A = Gaslone application using sand-cast iron based block. Q = 4 cylinder, open deck. R = Gaslone applcation using die-cast alloy based block. Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278219 Share on other sites More sharing options...
PHATR32 Posted April 1, 2005 Share Posted April 1, 2005 why have s and k when hey can have 1 letter? Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278259 Share on other sites More sharing options...
wilch Posted April 1, 2005 Share Posted April 1, 2005 rb20 = really big 2 lirtrerb25 = really big 2.5 litre so on so forth its a tested theory and sr stands for small reamer Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278313 Share on other sites More sharing options...
Boostzor Posted April 1, 2005 Share Posted April 1, 2005 Isnt the RB26 supposed to be a 6cyl version of the ca-18? i dont know about that quote u gave us. What about the Q45? thats a v8 Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278324 Share on other sites More sharing options...
HIPSI Posted April 1, 2005 Share Posted April 1, 2005 who want's to play "pick the guy with a degree in science" Anyone with an internet connection and the ability to search google can have a science degree these days :flamed: Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278347 Share on other sites More sharing options...
lukevl Posted April 1, 2005 Share Posted April 1, 2005 R stands for Sand cast and die cast aluminium block. Thats pretty dumb Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278373 Share on other sites More sharing options...
RBN1 Posted April 1, 2005 Share Posted April 1, 2005 Isnt the RB26 supposed to be a 6cyl version of the ca-18? i dont know about that quote u gave us. What about the Q45? thats a v8 nah the RB26 is a RB26 Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278379 Share on other sites More sharing options...
Boostzor Posted April 1, 2005 Share Posted April 1, 2005 nah the RB26 is a RB26 yeh im not trying to say they are the same engine but they are built the same just with 2 cyl + or -. Solid lifters and all that jazz. Plus whats 18x1.5?? thats right. 2.6 and change. Testament to the fact that my ca ownz Link to comment https://www.sau.com.au/forums/topic/68912-is-this-the-meaning-to-rb-and-sr/#findComment-1278401 Share on other sites More sharing options...
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