Budget 5.3 in a '69 Bird Newb questions
04-20-2018, 07:17 PM
#1
Budget 5.3 in a '69 Bird Newb questions I have a '69 Firebird with an ill running chevy 350 in it. I am trying to make this as minimal a project as possible so I can get it running this spring.
My thoughts are get another old school carbed 350 and plug it in cheap or what I would like to do is get a complete 5.3 to put in her.
If I go the 5.3 route what are the other items that I would need?
In-line fuel pump at the least
electric fan?
Engine swap mounts
I'd like to maybe even add a 4 speed modern trans like a 4l60....or even a manual. what would be needed to add that?
My thoughts are get another old school carbed 350 and plug it in cheap or what I would like to do is get a complete 5.3 to put in her.
If I go the 5.3 route what are the other items that I would need?
In-line fuel pump at the least
electric fan?
Engine swap mounts
I'd like to maybe even add a 4 speed modern trans like a 4l60....or even a manual. what would be needed to add that?
04-23-2018, 01:55 AM
#2
I have a '69 Firebird with an ill running chevy 350 in it. I am trying to make this as minimal a project as possible so I can get it running this spring.
My thoughts are get another old school carbed 350 and plug it in cheap or what I would like to do is get a complete 5.3 to put in her.
If I go the 5.3 route what are the other items that I would need?
In-line fuel pump at the least
electric fan?
Engine swap mounts
I'd like to maybe even add a 4 speed modern trans like a 4l60....or even a manual. what would be needed to add that?
My thoughts are get another old school carbed 350 and plug it in cheap or what I would like to do is get a complete 5.3 to put in her.
If I go the 5.3 route what are the other items that I would need?
In-line fuel pump at the least
electric fan?
Engine swap mounts
I'd like to maybe even add a 4 speed modern trans like a 4l60....or even a manual. what would be needed to add that?
04-23-2018, 05:13 AM
#3
Thanks..... I did just run across your project thread late yesterday and have yet to read through it. I'm sure it will have some relevant information.
04-23-2018, 05:19 AM
#4
TECH Fanatic
You will need a Powertrain Control Module (PCM) with an adapted wiring harness and with a reflashed PCM to run your engine. Drive shaft shortened if you go to a 4L60E trans. Likely different trans cross member. Likely a set of headers because your LS exhaust manifolds might not fit.
The costs add up quickly.
Rick
The costs add up quickly.
Rick
04-23-2018, 05:44 AM
#5
Thanks for the info..... Not what I was hoping to hear but not surprised either. Maybe I'll just try to find a good used Pontiac 400/455 or another Chevy 350 to plug in then and save that LS project for later.
04-23-2018, 06:40 AM
#6
Stock fuel tank? Didn't see what you have there... it will need to be sumped.
Reach out to dirty dingo for swap mounts... used their sliders in 2 Nova builds and they work great
You will need a wiring harness or re work whatever comes with your 5.3
Reach out to dirty dingo for swap mounts... used their sliders in 2 Nova builds and they work great
You will need a wiring harness or re work whatever comes with your 5.3
04-23-2018, 09:06 AM
#7
If you do run into an issue, I used LS3 manifolds from a 5th gen Camaro and they fit pretty well. A little close to the Power steering box. I need to go back and update my gas tank though, what I did works but it isn’t the right way. Get a sumped gas tank or and in-tank pump