Stock Quadrajet
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Joined: Nov 2003
Posts: 282
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From: New York
Car: 83 Z28, 84 Z28
Engine: 5.0 Cross Fire, 5.0 H.O.
Transmission: 4 Speed Auto, 5 Speed Manual
Stock Quadrajet
Does anyone know what the CFM rating on my stock 84 Quadrajet on my L69 305 is?
Joined: Mar 2000
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
Around 750 cfm, if fully capable (see the Tech Articles to determine that - basically that the AV opens all the way, which was typical with the HO versions).
How much your engine can use - that's a completely different question. The good news is the q-jet "adjusts" itself via the AV so that it only flows what the engine can use.
How much your engine can use - that's a completely different question. The good news is the q-jet "adjusts" itself via the AV so that it only flows what the engine can use.
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