13b engine numbers ?
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Junior Member
Joined: Jun 2016
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From: melbourne victoria Australia
13b engine numbers ?
hi there all,
im converting my vw to a rotary engine soon.
can any one please help advise me on early 13 b 74/75 year model engines numbers!
what did the 74/75 engine year start with the engine number please ?
reason being im wanting to to fit a early year engine plate for engineering/rta purpsoses which have not much pollution gear.
the 1973 beetle had no pollution gear what so ever!
thanks
glen
im converting my vw to a rotary engine soon.
can any one please help advise me on early 13 b 74/75 year model engines numbers!
what did the 74/75 engine year start with the engine number please ?
reason being im wanting to to fit a early year engine plate for engineering/rta purpsoses which have not much pollution gear.
the 1973 beetle had no pollution gear what so ever!
thanks
glen
Joined: Mar 2001
Posts: 31,835
Likes: 3,232
From: https://www2.mazda.com/en/100th/
well besides the part number, none of the US literature mentions an engine number. here you would need to look at some original cars.
from 9/73 to 10/74 the engine part number was 1757-23-200. 13B, big port, non nitrided, so black irons, the big font Mazda rotor housings. in the US we get a thermal reactor.
10/74 and later the part number is 3565-23-200. should be the "mazda automobiles" rotor housings. smaller ports. still non nitrided, so irons will still be black
from 9/73 to 10/74 the engine part number was 1757-23-200. 13B, big port, non nitrided, so black irons, the big font Mazda rotor housings. in the US we get a thermal reactor.
10/74 and later the part number is 3565-23-200. should be the "mazda automobiles" rotor housings. smaller ports. still non nitrided, so irons will still be black
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