Out with the 305, In with the 350
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Out with the 305, In with the 350
My mechanic pulled the old engine out last night, so I took some pix this morning. This week he will put in the 350.




Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Are you not keeping the computer controlled carb and ignition?
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Joined: Mar 2007
Posts: 578
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From: near greenbay WI
Car: Camaro RS
Engine: 305 tbi
Transmission: manual
Re: Out with the 305, In with the 350
by the looks of the 350 hes' puttin in, i dont think he is keeping the ccc. but who knows
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Re: Out with the 305, In with the 350
Brett (the mechanic) is going to swap the original carb & dizzy over. I had the carby rebuilt last year before I found out the engine had a cracked head. So this year I bought a reco 350 to put in & it already had all the stuff on it. Brett is gonna use whatever bits off both that will make it work.
Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Good choice. You'll like it.
Kind of weird to see the steering column on the right side of the car. How do the brakes work, since the master cylinder is still on the left side?
Kind of weird to see the steering column on the right side of the car. How do the brakes work, since the master cylinder is still on the left side?
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Re: Out with the 305, In with the 350
The brakes are cross shafted, still work fine. The conversion is still a bit of a mystery to me too. Finding out more the longer I own it.
Senior Member
Joined: Sep 2007
Posts: 568
Likes: 1
From: Leander,TX
Car: 84 Z28 / 88 Trans Am / 87 base
Engine: L69 H.O. / 468 BBC / 2.8 v6
Transmission: 89 700R4 / TH375B / 700R4
Axle/Gears: 3.73 open / 3.23 posi / 3.42 open
Re: Out with the 305, In with the 350
from the pics it looks like you could use some newer motor mounts as well
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Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Re: Out with the 305, In with the 350
Wow 350 is finally in! Should be running this week.




Joined: Mar 2000
Posts: 43,187
Likes: 42
From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Wow, 7 months and it's still not running. That's as bad as some of my projects. . .
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Re: Out with the 305, In with the 350
My car is finally home! Got no pix yet as it is late & it is dirty as.
Can anyone tell me how to tune/set/whatever the EST? Got some notes sent through but can find the plug/port to do it.
Can anyone tell me how to tune/set/whatever the EST? Got some notes sent through but can find the plug/port to do it.
Thread Starter
Junior Member
Joined: Sep 2006
Posts: 75
Likes: 0
From: Wagga Wagga Australia
Car: 87 Firebird with T-tops
Engine: 350 finally!
Transmission: 4spd auto
Axle/Gears: sometimes I get traction...
Re: Out with the 305, In with the 350
Can anyone tell me how to set the base timing on the electronic spark control? Got the car running good enough to drive it but still needs to be tuned properly.
Here are some pix of it on ANZAC Day.





Here are some pix of it on ANZAC Day.





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