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Re: 411 pcm
The only reason people say to start with a 2001 Express Van VIN, is to have the correct starter tune for your truck. You can input your VIN into the van tune. I have passed Emissions in Cook County Illinois with the mods in my sig.
Jeff
98 GMC RCSB 1/2 ton 2wd, 100% internally stock 305,Ramjet intake,42lb inj,Twin T-3 junkyard turbos,12200411 PCM. 4675lbs w/me in it. Best time on 5 passes 13.01@110
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