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Old 01-06-2018, 12:00 PM   #1
bbrriiaann1973
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Fuel Injected

If I wanted to make the change to a aftermarket fuel injection set up that requires a electric fuel pump that produces 50 psi. Could I use the existing tank (behind the seat) with a external electric fuel pump?

If so how would I deal with the fuel return line back to the tank?
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Old 01-06-2018, 12:01 PM   #2
bbrriiaann1973
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Re: Fuel Injected

Sorry forgot to mention that it's a 1970 C10 383/700R4
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Old 01-06-2018, 02:33 PM   #3
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Re: Fuel Injected

Read this. Should help.

http://67-72chevytrucks.com/vboard/s...=holley+sniper
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Old 01-06-2018, 04:27 PM   #4
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Re: Fuel Injected

There are others like this one:

http://fitechefi.com/products/40003/

You get the idea though. Use your mechanical pump on the block to fill the sump with the high pressure pump inside, then plumb that high pressure to your EFI set up.
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Old 01-07-2018, 10:02 AM   #5
Katrina/10
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Re: Fuel Injected

Use an external E2000 fuel pump and the charcoal canister line for a return.
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Old 01-07-2018, 10:39 AM   #6
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Re: Fuel Injected

No charcoal can on a '70 model.
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Old 01-07-2018, 11:03 AM   #7
70STOVEBOLT
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Re: Fuel Injected

Quote:
Originally Posted by CaptRMW View Post
No charcoal can on a '70 model.
Depends on where it was built. My ‘70 was built in Fremont and it had the evap system on it.
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Old 01-07-2018, 02:45 PM   #8
bbrriiaann1973
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Re: Fuel Injected

No charcoal can on a 1970 Chevy truck
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Old 01-07-2018, 06:13 PM   #9
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Re: Fuel Injected

Quote:
Originally Posted by bbrriiaann1973 View Post
No charcoal can on a 1970 Chevy truck
Well mine had it. Don’t know why anyone would add it if it wasn’t factory.
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Old 01-24-2018, 10:09 PM   #10
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Re: Fuel Injected

You can buy a sending unit with a return line. That's what I did with my '71.
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