300cu heat tube for choke

Discussion in 'Small Block Tech' started by Ken keefe, Nov 11, 2022.

  1. Ken keefe

    Ken keefe Buick Strong

    installing the heat tube to the exhaust manifold, does it matter which port on the exhaust manifold
    it goes in and what is the other for?
    thanks, Ken
     
  2. philbquick

    philbquick Founders Club Member

    There's a tube that runs through manifold front to back at the collector. The tube to the choke oven goes into the front and the supply from the top air horn of the carb goes to the rear. The rear tube usually has a clamp on the rear of the head and usually doesn't go bad. You may need to clean the remains of the old oven tube from the front of the manifold tube so the new one can go in.
     
  3. Ken keefe

    Ken keefe Buick Strong

    thanks, great info, Phil
     

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