If SB motor has choke stove on ex.manifold from factory,what happens when after market headers are put on that motor? Does a different carb have to be used?
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Re: choke stove
Depending on the exact carb, it might be possible to adapt an electric choke from an aftermarket carb and keep the original carb with the engine.Bill Clupper #618 -
Re: choke stove
The pic shows a 1979. The heat stove is on the driver's side exhaust manifold and connects to the air cleaner housing inlet via that flex tube. It does not have a direct connection to the carb. The choke is on the passenger side. At one point I drove that car without the flex tube for several weeks and it did not seem to affect driveability. Mind you I do not drive in sub-freezing temps. So I would say that losing the stove (using headers) would not severely affect performance.
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Re: choke stove
One method is to convert the carb's choke to an electric assy. There's an off-the-shelf kit for most Holley carbs.
Another method is to 'jury rig' a heat riser by wrapping tubing around a leg of the header pipe knowing it'll be slightly less efficient than the original heat riser tube that went through the inside of the original cast iron exhaust manifold as these cars are typically warm weather 'weekend warrior' vehicles seldomly driven in the dead of winter...Comment
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