chevy vortec 4.3 cpi performance parts!

[poochie]

cpi unit flow matched, new design regulator,performance chip 87 -89 octane special egr gasket! you have to make sure all of your sensors are working like a fresh o2,clean your egr valve no cleaner no gum out, clean throttle body out plus upper cylinders with sea foam new spark plugs ngk.the 4.3 runs strong when set up the right way my truck is 93 blazer fully options she pulls like a bear two door truck. you have to send me your old cpi unit.once set up you will like your truck,s performance i have been testing each part slowly i have not went to a k&n air filter as of yet,will be going with a high flow muffler for less back pressure no dual,s plus you still keep your cat system.biggest thing to check is your fuel pressure, koeo-54-64 psi no bleed down,running52-58 psi. parts $400.00