How Can You Tell 76-78 13b Rotor Housings?

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06-02-2005, 11:44 PM

vosko

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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.......

06-03-2005, 07:49 AM

scottystraub

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76 was first year for 13b, i think

06-03-2005, 10:59 AM

vosko

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you are correct 76-78. read it wrong

06-03-2005, 01:20 PM

treceb

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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.

06-07-2005, 03:07 AM

diabolical1

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

06-07-2005, 11:09 AM

treceb

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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.