carb 355 swap
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
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Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
carb 355 swap
i had a 305 tbi got tired of it so i dropped in a carbed 355 i seperated the harness i know everything on the driver side can stay. there are a couple things im unsure about theres a wire that had starts as 2 orange and then turns to red one side goes into the pass side and the other there is a black peice that has all the ac controlls does any one know what the other side goes to in the car?
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Re: carb 355 swap
i believe that 2 into 1 wire goes to your starter...if you could get pictures of the wires that would be more helpful
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
ahh ok well i guess thoes wires are just going to sit around since i got rid of the a/c. and is there one main wire that powers the fuse block or the windows and the lights etc
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Re: carb 355 swap
that orange and red gives power to your car so that will go on the big starter bolt along with your red wire from your battery
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Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
ok cool and where do the wires from the alt go to?
Last edited by littlevin91; Feb 24, 2013 at 03:34 PM.
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Re: carb 355 swap
there will be a plug somewhere in your harness that will plug into the alt that plug will also have a short red wire coming off of it with an eyelet ont the end that shrt wire will go on the back of the alt. as well as the thin wire coming from the positive battery wire
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
yea i found a good schematic and everythings wired up and has power only poblem is the fuel pump wony turn on
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Re: carb 355 swap
chances are if you unplugged the ecm the fuel pump wire was on that side..not 100% sure but pretty sure that what happened you need to put a manual fuel pick up in the tank and a mechanical fuel pump on the block now that your running a carb
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
i bought a regulator kit im gonna hool the pump to a switch not sure which wires the power and ground
Member
Joined: Jul 2010
Posts: 258
Likes: 0
From: Niagara falls,ontario
Car: 84 firebird
Engine: 355
Transmission: 700r4 stage 2 shift kit 2500 stall
Axle/Gears: 3.42 posi
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: carb 355 swap
With the ECM gone what mods have you done to suit the carb install?
You have nothing to run the pump anymore and you can't use EFI fuel pressure to the carb if it did
What are you doing about the convertor lockup now the ECM is gone?
You have nothing to run the pump anymore and you can't use EFI fuel pressure to the carb if it did
What are you doing about the convertor lockup now the ECM is gone?
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
for the lock up i put the tci lock up in the 700 and for the fuel pressure i bought a fuel pressure regulator thatll knock down the pressure to 6.5lbs for the carb so i can keep the fuel pump
Joined: Apr 2005
Posts: 7,736
Likes: 14
From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
i havnt done anything yet, but im gonna power the pump with a 12v source on a switch so i can turn i it on and off
Thread Starter
Junior Member
Joined: Aug 2009
Posts: 89
Likes: 0
Car: 1991 camaro z28 convertible
Engine: 5.0 v8
Transmission: 700r4
Axle/Gears: 9 bolt 3.23 borg worner
Re: carb 355 swap
on the fuel pump relay theres a single red wire if you power that the fuel pump turms on
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