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Old 04-30-2018, 10:57 AM   #11
Dukagora
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Join Date: Apr 2018
Location: Arizona
Posts: 30
Re: Fuel tank Sending Units

So does anyone know if an 87 tank and sending unit would affect the PSI to the carb in any way?

How does that get wired up on a truck that never had the fuel injection?

I have the 6 port valve, connector and switch on the way. I did find a diagram of what each pin did, just not sure how the connector for that sending unit changes things wiring wise since I would do this for both tanks.
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79 Crew Cab Chevy C20 454/TH400
Previously Owned:
77 Crew Cab Chevy C20 454/TH400 with lots of rust. Long gone.
77 1/2 ton long bed 350/TH300. Dismantled for parts.

Last edited by Dukagora; 04-30-2018 at 11:55 AM.
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