Our tunnel ram if anything starts better cold than warm. That situation has improved overtime. I have worked on the carbs quite a bit, lowered the idle feed jets in the blocks, reduced the size of the jets and air correctors etc. Made sure the carbs were the same, counted the idle speed screw turns etc.

Anyway, basic procedure is to turn key to start, let it crank a second or two, if that does not do it a pump or two with a little bit of throttle cracked and it lights off. It actually should need a little bit of accelerator pump cold as the idle mixture should be set up for a warm engine. This assumes no cold start features of course.

We have a 452 with Weiand tunnel ram and 2 x Holley 600 Ultra carbs.

Have also worked on the distributor making sure the air gap was correct.

My guess is you are rich, what size idle jets and air correctors are installed?

Check out http://racingfuelsystems.myfunforum.org/index.php for lots of good carb information.

Good luck. Best regards, Dave