back barrels wont open at wot
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Joined: Feb 2007
Posts: 805
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From: anderson ,sc
Car: 89 formula/00 z28
Engine: carbed 350/ls1
Transmission: 700r4/ a4
Axle/Gears: 3.23 posi/ 3.73 posi
back barrels wont open at wot
i have a holley 750 with vacuum secondary but the back barrels will not open at wot and i have a yellow spring in it to. any ideas why this would happen?
Joined: Mar 2000
Posts: 43,187
Likes: 45
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
A couple of possibilities:
1) The vacuum signal passage is plugged somehow or another.
2) You're blipping the throttle in the driveway and expecting the secondaries to open while you watch.
1) The vacuum signal passage is plugged somehow or another.
2) You're blipping the throttle in the driveway and expecting the secondaries to open while you watch.
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Joined: Apr 2005
Posts: 61
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From: Toronto, Ontario
Car: 1986 Z28 Camaro
Yeah they dont open when your in park.. without a load on the engine.. I realized that, after revving the **** out of mine for 10 minutes =P..lol
Thread Starter
Senior Member
iTrader: (2)
Joined: Feb 2007
Posts: 805
Likes: 0
From: anderson ,sc
Car: 89 formula/00 z28
Engine: carbed 350/ls1
Transmission: 700r4/ a4
Axle/Gears: 3.23 posi/ 3.73 posi
no at dragstrip then a i used a paper clip on the rod on the diaphran its not opening it just start 2 days ago
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mdtoren
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Aug 16, 2015 05:45 PM
