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When I ran a turbo in my 79 sc 3.0 cis engine with stock wur, I kept It pretty simple It worked very well at 9lbs of boost no intercooler. I added a 7th injector that was plumbed in just before the throttle body, I used an sc cold start injector for this with a hobs style pressure switch set at 5lbs. My afrs were plenty rich on boost. Not the perfect setup for fine tuners but it worked well and ran safely. The slippery slope finnally caught up with me and ended up building my current engine with 930 cis Ruf intake and fuel head. I kept the 7th injector but it only fires when on boost over 6,000 rpms.
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