Has anyone seen the gas tank guts?
 

Is there a strainer or equivalent, Inside the gas tank that would cause poor feed at high speeds?

I had a similar problem at highrevs. I ended up have a nasty crack in my tank... could be that or fuel filter. I got a new pump andput 2 filters on the pump and it works great... just my 0.02$...:D

yea there is but I would think fuel filter first.

yeah, and look in this this section. there have been 2 threads on this. some great info!!!!

Were you loosing power at high rpms, like 6-8. I had never revved my engine so high till yesterday and it kinda stumbled up there. Could it be the strainer or is it a weak fuel pump.

Hell the car dies at 50 mph, I'm in the process of rebuilding the carb, but it seemed clean enough not to cause the problem. Thanks everyone for your info. Let me check out Maverx13b's search threads, and get back to work on the carb.

The best way to check for fuel supply is to "Tee-in" a fuel pressure gauge, tape it to the windshield, and monitor the pressure while you're driving. I used a cheap auto parts store vacuum/pressure gauge, some rubber vacuum line, and one of those plastic tees with the multi-sized barbs. The whole setup only cost a few bucks, but answered a lot of questions.

hey man that's a good idea...I'm gonna do that and check it out.