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The
pictures below depict the various differences between rotary engines. |
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Rotors---10A left, 12A center, 13B/20B right |

Eccentric Shafts 20B top & 13B bottom. |
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Side Housings 20B/left, 13B/right |

Twin turbo assy. 20B/top 13B/bottom |
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3mm 13B Stock Apex Seal - 84-85 GSL-SE |

3mm Hi-Perf, dual-spring Apex Seal w/ larger side
piece |
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2mm stock dual-spring 13B Apex Seal '86-on |
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