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Mazda's 13B for the 1986-88 RX-7 made 146hp without a turbo and 185hp with a turbo.
check out rotary engine illustrated - there is a video you can download that shows how the timing works. if you search it on google then you will find it.
A 86 rx7 has a 13b wankel rotory engine only the turbo edition was turbo charged
On a 1986-91 model they connect to the throttle body and the turbo compressor ! Hope it helps!
engine core - about 90kg's.
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13B for N/A and 13BT for Turbo models.
it the engine code. 2 rotor, naturally aspirated rotary
Gsl= 12A , Gsl-se 13B.
configure pheripheral devices
Engine number is underneath the distributor on front housing on the rough casting. If that fails check underneath the alternator on front housing.
on the 13b engine it should be behind the waterpump, just below the thermostat.