NoPistons -Mazda Rx7 & Rx8 Rotary Forum - How Can You Tell 76-78 13b Rotor Housings?

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- - How Can You Tell 76-78 13b Rotor Housings? (https://www.nopistons.com/rotary-engine-building-porting-swaps-55/how-can-you-tell-76-78-13b-rotor-housings-49335/)

vosko

06-02-2005 11:44 PM

i just got a decent pair of them. what i am going to do with them i am not sure! i'm pretty sure they are very early model housings.... they have the early mazda insignia and say 13b on em.......

scottystraub

06-03-2005 07:49 AM

76 was first year for 13b, i think https://www.nopistons.com/forums/pub...IR#>/blink.png

vosko

06-03-2005 10:59 AM

you are correct 76-78. read it wrong

treceb

06-03-2005 01:20 PM

i beleive they say R5 on them also. and should say mazda on them and not 13B, maybe both, but the fonts are kinda slanted. IIRC.

diabolical1

06-07-2005 03:07 AM

are you guys sure that the 13B didn't come out in 1974?

treceb

06-07-2005 11:09 AM

yeah 74 with the repu...

this what they should look like...

http://rxforyour7.com/Rotary%20engines.htm

and the "R5" seems to be for the irons not housings.

vosko

06-07-2005 11:32 AM

i'll take some pix later

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