If the lack of static pressure to the pump inlet IS contributing to the problem, what am I going to do about it? I can't refit the original tank, as the roll bars are in the way. I could raise the cell up, but I'd rather not if I can help it.
If the lack of static pressure to the pump inlet IS contributing to the problem, what am I going to do about it? I can't refit the original tank, as the roll bars are in the way. I could raise the cell up, but I'd rather not if I can help it.
Fill the carb bowls... disconnect fuel system... will it idle?
Uh... it'll idle with it hooked up, so unless I'm missing something, it should if the fuel is disconnected (for a little while, anyway).
The idle is fine once its above stone cold, use the choke until then. The issue is at a sustained 50%+ throttle; wants to stall unless the choke is fully closed, and even then it isn't good.
"If the lack of static pressure to the pump inlet IS contributing to the problem, what am I going to do about it?"
Put an electric pump below or at least even with the tank. Most low-pressure electric pumps are much better pushers than they are suckers. For example, on almost all of the OEM British sports car setups, the pump is below the tank's pickup so gravity feeds the pump and then the pump pushes the fuel above the tank to the carbs. SU pumps especially don't like sucking, and so do many of the universal ones. TRs of course usually use a mechanical pump, and I honestly don't know if those are good suckers or not, but I do know that when they're used with a stock tank, gravity is helping the pump (if you disconnect the fuel line from the tank to the pump, you'll drain the tank).
--Carl
That's what I had at the outset of this thread, electric pump mounted underneath the cell, about 4" below the outlet. I'm back to the mechanical now, and its not working much (if any) better. 
I may just raise the damn tank for the weekend, and troubleshoot at a later date.
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