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Old 09-23-2003, 10:12 AM
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Exclamation Carb'd 305 to TPI 305, help?

hello hotrodders community, just needed some help from you guys.
-I have a '71 Chevy Van that I recently purchased. The previous owner installed a carb'd 305 from a 77-78 Chevy Caprice Classic, IIRC. Everything is basically stock with the exception of some headers. Still running on the 2 barrel. This van will be used to tow light vintage import cars around and for bringing parts back from my junkyard crusades. I wanted something smoother and better on gas mileage so i was pondering about installing a Tuned Port Injection(TPI) system from a late 80's camaro/firebird. Now here's my question...


-What do I need to do in order to convert my '77 Carb'd 305 into a TPI 305?

So far I know I need the TPI system, harness and computer.
--Anything else or special plumbing or welding I would need to do to the existing engine?
--Has it ever been done/Could it be done to this old of an engine?

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Old 09-23-2003, 02:38 PM
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you will also need the sending unit out of the fuel tank on the doner car, the fuel pump, and you'll need to run a return fuel line. That's all I can think of for now. Good Luck.
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Old 09-23-2003, 03:10 PM
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I have a almost complete TPI system off a 1990 IROC-Z with a 305. I don`t have the wiring harness or throttle body, i do have ECM with hypertech chip, distributor, TPI base, runners, plenum, FI rail, I`m looking to sell this at a good price, if your interested let me know.
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