[Fot] TR3 using TR4A manifold

[Philip Gott]

Greg;
You could consider swapping the carbs, putting the float bowls between the carbs. I don’t know if there is enough room to do that, but I think the Volvo B18 engine had HS6’s with the float bowls between the carbs.
Phil


Sent from my iPhone

> On Aug 3, 2025, at 6:43 PM, Greg Blake via Fot <fot at autox.team.net> wrote:
> 
> Howdy folks. Have a street car question for yall. Assembly of Will’s car continues and I was test fitting the carbs and manifold I was planning to use. It’s a TR4A intake paired with HS6s. This is what I use on the TR3 race car. On the street car, the rear float is very close to the heater bulkhead fitting (see pictures). Has anyone done this on a street car and have a good solution to this interference? It looks like we could move the bulkhead fitting over by about 3-4” w/o issue, just hate to put another hole in the firewall.
> 
> Appreciate ideas.
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