Carburetors Carb discussion and questions. Upgrading your Third Gen's carburetor, swapping TBI to carburetor, or TPI to carburetor? Need LG4 or H.O. info? Post it here.

charcoal canister

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Old Jul 21, 2008 | 08:07 AM
  #1  
91formulaSS's Avatar
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Joined: Feb 2004
Posts: 542
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From: Lowell, MA
Car: 91 Formula, 95 GT
Engine: 5.7, 5.0
Transmission: T5, T5
Axle/Gears: 3.42:1, ???
charcoal canister

can I still use it with a Holley DP?
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Old Jul 21, 2008 | 09:56 AM
  #2  
Apeiron's Avatar
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: charcoal canister

Yes and no. You can still use the canister to collect fumes from the tank, but the purge is controlled by the ECM, which no longer functions on your car.
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Old Jul 21, 2008 | 02:05 PM
  #3  
five7kid's Avatar
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Posts: 43,187
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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
Hmmm, I thought the purge is controlled by thermal vacuum switches.

But, you wouldn't have the fuel bowl vent function of the stock carb.
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Old Jul 21, 2008 | 02:08 PM
  #4  
Apeiron's Avatar
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Joined: Jan 2000
Posts: 20,981
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From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Re: charcoal canister

Not for a 91, IIRC.
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