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Emissions system removal on a LG4 305.

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Old Apr 4, 2001 | 03:23 PM
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Trigger84's Avatar
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From: Ocala,Fl. USA
Emissions system removal on a LG4 305.

I am about to replace my intake, carb, and im going to get hedders. I want to know exactly what i need to do other thatn that to get rid of my emissions system. I've heard some things about the torque converter needing a vacuum line, and about the distributor not working without the computer connections on the carb. I'm sure someones done this before, so I'll appreciate any help.
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Old Apr 4, 2001 | 05:26 PM
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With a non computer controlled (cc) carburetor you need a vacuum advance distributor. The Carb and Distributor are really a 'package' deal.

------------------
--Steve S--
1984 Trans Am 305 LG4, 5 speed
Daily Driver, Flowmaster 80 Series
Holley 600 cfm & vacuum advance
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Old Apr 4, 2001 | 08:51 PM
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So if I want to get rid of the old QuadraJet I have to get a new distributor along with it? I was hoping I was gonna be able to avoid replacing the distributor too. Anyone with some advice on the torque converter vacuum?
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Old Apr 4, 2001 | 09:12 PM
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You need the distributor unless you replace it with a new computer controlled carb. The distrib won't have advance if you do away with the carb (no TPS readings to computer).

As for the vaccum line, the 700-r4 doesn't run off of vaccum, it only runs off of the TV cable. Your new carb should have a place for it.

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1984 WS6 Hardtop Trans Am
Former L69 Car under restoration
1984 T-top Trans Am
4-bolt main 350, performer intake, headers, Holley 650, T-5, hayes clutch, dual elec. fans and 3.23's.
Daily driver and restoration
13.98 @ 101
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