I am almost finished with the intercooler support bracket for the Frozenboost type 26 intercooler. It’s going to be tied in with a new support

# Chevrolet Small Block Exhaust Manifold Casting Numbers

FY |
LY |
Casting |
CID |
Applications |

1973 | 76 | 336709 | 350 | F |

1973 | 75 | 336710 | 307,350,400 | A B F G |

1973 | 80 | 346222 | 307,350,400 | A B F G |

1975 | 77 | 346247 | 350 | A B F G |

1975 | 77 | 346248 | 350 | A B F G |

1976 | 80 | 364753 | 305,350,400 | all |

1970 | 82 | 372243 | 350 | Y |

1978 | 82 | 462697 | 267,305 | G |

1978 | 82 | 462698 | 267,305 | G |

1955 | – | 3704791 | 265 | B Y |

1955 | – | 3704792 | 265 | B Y |

1956 | – | 3725563 | 265 | B Y |

1956 | – | 3731557 | 265 | B Y |

1956 | – | 3731558 | 265 | B Y |

1957 | – | 3733975 | 283 | B Y |

1957 | – | 3733976 | 283 | B Y |

1965 | – | 3746563 | 327 | Y |

1962 | 68 | 3747038 | 283,327 | B Y |

1958 | 67 | 3747042 | 283 | B Y |

1964 | – | 3747938 | 327 | |

1964 | – | 3747942 | 327 | |

1958 | 63 | 3749965 | 283,327 | B Y |

1958 | 65 | 3750556 | 283,327 | B Y |

1964 | 67 | 3790729 | 283,327 | Chevy II |

1965 | – | 3790730 | 283,327 | Chevy II |

1965 | – | 3791162 | 283,327 | Chevy II |

1966 | 67 | 3791182 | 283,327 | B |

1962 | 63 | 3797901 | 327 | Vette |

1962 | 65 | 3797902 | 327 | Vette |

1963 | – | 3797942 | 327 | Vette |

1967 | 68 | 3834947 | 283,327 | B |

1955 | – | 3836968 | 265 | B |

1955 | 3837069 | 265 | Y | |

1964 | – | 3840715 | 283,327 | A |

1964 | 68 | 3840912 | all | A F X |

1964 | 71 | 3846559 | 327,350 | Vette |

1964 | 65 | 3846563 | 327 | Vette |

1964 | 67 | 3849288 | 283,327 | Chevy II |

1964 | 67 | 3849290 | 283,327 | Chevy II |

1964 | 68 | 3855163 | 283,327 | B C K |

1966 | 67 | 3872723 | 283,327 | Chevy II |

1966 | – | 3872729 | 283,327 | A |

1967 | 68 | 3872730 | all | A F |

1966 | 67 | 3872738 | 283,327 | Chevy II |

1966 | 68 | 3872741 | 283,327 | B |

1967 | 71 | 3872765 | 327,350 | Vette |

1966 | 68 | 3872778 | 283,307,327 | B C K Y |

1964 | 67 | 3890424 | 283,327 | Chevy II |

1967 | – | 3892679 | all | A F X |

1967 | 68 | 3892683 | all | A F |

1966 | 68 | 3893604 | 283,327 | B |

1967 | – | 3893608 | all | A F |

1967 | 68 | 3896956 | 283,307,327 | C K |

1967 | 68 | 3905364 | 307,350,400 | C K |

1969 | 70 | 3932376 | 307,350 | A F |

1970 | 72 | 3932461 | 350 | Vette |

1969 | 70 | 3932465 | 327,350 | B |

1969 | 70 | 3932469 | 350,400 | B |

1969 | 70 | 3932473 | 307,350 | B |

1969 | – | 3932481 | 350 | Y |

1967 | – | 3940972 | 350 | F |

1969 | 71 | 3942527 | 302,307,350 | A F X |

1969 | 70 | 3942529 | 307,350 | A F X |

1969 | – | 3946826 | 302,307,350 | A F X |

1969 | – | 3946826 | 302 | |

1972 | 73 | 3959562 | 307,350 | A F |

1971 | 72 | 3973432 | 307,350 | A B F X |

1972 | 74 | 3986330 | 307,350 | F |

1970 | 72 | 3989036 | 350,400 | B Y |

1969 | 73 | 3989041 | 302,307,350 | A F X |

1970 | 73 | 3989043 | 307,350 | A B F X |