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Just bought a 93 notch back with a 306 10.5 CR,E303, stock upper-lower, 65mm throttle and egr,24# injectors, BBK long tubes,off road h pipe and flowmasters My problem is it surges during driving. The TPS is correct. I'm not sure if the mas has ever been calabrated. could this be the problem? Also do I need a bigger than stock fuel pump. Any help will be appecerated.
Thanks, 93-306
 

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Have you checked for codes to see what the EEC-IV might be seeing?



Bill
 
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