well I have 3 three pieces of 2" long rubber hose on the car all the rest is steel. I have taken them all off and looked at them. and flow tested both pumps 3/4 gal in 30 sec. checked the vent on the tank also.both carbs are clean. both been check 2 times now. siting at Idle with 7 psi of fuel pressure it just don't rev up quick and clean.