i would say do the exhaust and all the free things (timing ,tps,water lines in the tb off ,coolant temp sensor pull it out an block the hole) adjustable fuel pressure reg ,pulleys race crank cobra water pump pulley and a big a alt130 ,a aluminum drive shaft , a gear ,a good shifter like pro 5.0 , black magic fan
with these mod we have had cars gone as fast as 13.28on a stock motor no port workand had a aod go 13.42 some things
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