Heat soak is a new term for me but the more I research how this happened the excessive heat of the day and where the carb is in relation to the manifold: this makes a lot of sense. The heat index was 99-100 yesterday and it runs perfect in the air conditioned shop it is stored in.you need you one of these;
https://www.vintageinlines.com/product-page/1v-phenolic-carb-spacer
it will help prevent heat soak by blocking the heat from the intake.
Heat soak is a new term for me but the more I research how this happened the excessive heat of the day and where the carb is in relation to the manifold: this makes a lot of sense. The heat index was 99-100 yesterday and it runs perfect in the air conditioned shop it is stored in.you need you one of these;
https://www.vintageinlines.com/product-page/1v-phenolic-carb-spacer
it will help prevent heat soak by blocking the heat from the intake.
I am having similar issues. Heat soak is also a new term to me but makes sense. I had no issues for two summers in extreme heat, but now have problems in anything over 80 degrees outside, cooler it can also happen just takes longer to manifest itself. Any thoughts to why this problem did not exist for 3,ooo miles and suddenly it does?you need you one of these;
https://www.vintageinlines.com/product-page/1v-phenolic-carb-spacer
it will help prevent heat soak by blocking the heat from the intake.
I am having similar issues. Heat soak is also a new term to me but makes sense. I had no issues for two summers in extreme heat, but now have problems in anything over 80 degrees outside, cooler it can also happen just takes longer to manifest itself. Any thoughts to why this problem did not exist for 3,ooo miles and suddenly it does?
Nothing has changed about driving habits, tune or time (although I've tuned and timed it since the problem started). The guy I bought it from admitted he didn't know much about working on cars and learned on this one. I'm not much better but have already cleaned up lots of little messes with a list left to go. I'm going to start with the rebuild and probably try the 2100 swap out this winter. Thanks for the helphard to say. perhaps you carb needs to have some work done on it, IE the needle and seat are not sealing like they should, airflow through the engine compartment has somehow changed, the center of the exhaust manifold is running hotter than normal. or perhaps you changed your driving a bit, you might have left the car sit longer in the past and that let things cool down a bit, and now you are in and out of your car more often giving no real time to let things cool off a bit.
any changes to the engine? timing, etc.?
a 2100 carb does do well on the small six, and you have two options there, the best is a direct mount, but that means pulling the head and having machine work done. the other option is a 2v to 1v adapter, the only drawback to that is you lose hood clearance. vintageinlines.com carriers the adapters you need to make that conversion.
i used a 2100 autolite on my old 66 falcon with the 170, and it worked nicely with the 2v to 1v adapter. there was a bit of an issue in getting the idle to run cleanly though, but with a little effort it can be done.
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