305 to LS1 5.3- Want to carb the 5.3
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Junior Member
Joined: May 2014
Posts: 23
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From: Lincoln, NE
Car: 86 Camaro
Engine: 305Ci
Transmission: 700r4 w/ shift kit
305 to LS1 5.3- Want to carb the 5.3
So I'm looking to swap my 305 with a 5.3 vortec. I want to make to new motor carbourated. I know about the intakes to convert the injection to carb. But how do I change it to be run by a distributor to eliminate the electronics of the coils?
Senior Member
Joined: Apr 2007
Posts: 668
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From: wallingford,ct
Car: 91 formula ws6
Engine: 355 tpi OBDII
Transmission: 4l60E
Axle/Gears: 2.73 with 4th gen brakes
Gm performance used to sell the kit to use a ford distributor. You need to replace the whole front cover set up iirc. Easier and cheaper to just run the msd box to run the coils in my opinion.
Senior Member
Joined: Jun 2013
Posts: 746
Likes: 24
From: Atlantic Canada
Car: 87 Trans Am
Engine: LS1
Transmission: T56
Re: 305 to LS1 5.3- Want to carb the 5.3
Why do you want to run a carb??
If it's the wiring, it's not that difficult. If it's the fuel system, it's not that difficult.
Keep it EFI, and you get modern reliability and performance... Need to change something just hook up a computer.
If it's the wiring, it's not that difficult. If it's the fuel system, it's not that difficult.
Keep it EFI, and you get modern reliability and performance... Need to change something just hook up a computer.
Supreme Member

Joined: Aug 2004
Posts: 1,051
Likes: 4
From: Iowa
Car: 92 Camaro RS
Engine: LS1
Transmission: T56
Axle/Gears: 10bolt w3.42 Torsen
Re: 305 to LS1 5.3- Want to carb the 5.3
I looked into a similar idea for my 69 camaro. If I LS that it will be carbed to look period correct and i'll get faux valve covers to hide the coils. I'd use an ignition controller instead of going to a distributor.
Would ultimately like to complete that build with a FAST EFI carb but $2k is a lot of money.
Would ultimately like to complete that build with a FAST EFI carb but $2k is a lot of money.
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