Thanks to Mike Kipper (kip60) for this great article on replacing your choke heat riser. This fix is on my todo list too, but I keep putting it off because contorting myself to get in and drill out that lower tube hole doesn't look very fun.
You can read the article here:
http://classicbroncos.com/tech/early-bronco-heat-riser-replacement
Thanks Mike!
You can read the article here:
http://classicbroncos.com/tech/early-bronco-heat-riser-replacement
Thanks Mike!