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4y Carb to 4Y EFI help

Tech Talk for Cruiser owners.

Moderators: toaddog, Elmo, DUDELUX

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Posts: 70
Joined: Fri May 11, 2007 4:26 pm
Location: Central Coast, NSW

4y Carb to 4Y EFI help

Post by Brainless »

Hi Anybody who has done this can you help me with what i need, so far i have sourced

Fuelpump
ECU and Loom
Intake Manfifold
Airflow Meter
Oxygen Sensor
ThrottleBody
Fuel Filter
Fuel Lines

Also will i need the Electronic Style Dizzy apposed to my current points style?
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Posts: 70
Joined: Fri May 11, 2007 4:26 pm
Location: Central Coast, NSW

Post by Brainless »

Anybody got any idea's?
87 Hilux SingleCab Project - 3rz, 35's 3inch Spring, 3 inch Body, GB Lift
88 Ford Mav, 4inch Spring, 3inch Body
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Posts: 1256
Joined: Mon Jun 19, 2006 7:05 pm
Location: newzealand

Post by tweak'e »

i haven't done it but while your at it i would certainly convert it to electronic ignition. the later ones where electronic, should be any easy swap.

just bolt everything up as per the EFI vers, the wiring would be the only real tricky part.

only other catch i can think of is any difference in fuel between what your uses and what the donor vehicle uses.
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Posts: 70
Joined: Fri May 11, 2007 4:26 pm
Location: Central Coast, NSW

Post by Brainless »

difference in fuel? :S

i run mine on unleaded and the donor vehicle is unleaded
87 Hilux SingleCab Project - 3rz, 35's 3inch Spring, 3 inch Body, GB Lift
88 Ford Mav, 4inch Spring, 3inch Body
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Posts: 1256
Joined: Mon Jun 19, 2006 7:05 pm
Location: newzealand

Post by tweak'e »

91 octane, 95, 96 or 98 etc

i think some of the older ones where 98 octane.
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Posts: 398
Joined: Fri Oct 25, 2002 5:40 am
Location: near gosford,central coast, nsw

Post by cplux »

you may need to make sure the electronic dizzy is from a 4y-e i converted my 4y to a custom efi setup and the normal 4y-c dizzy wouldnt work properly. (too weak a signal)
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