Author Topic: Flap on the shaker  (Read 1598 times)

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Offline devs78

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Flap on the shaker
« on: September 07, 2006, 07:19:05 PM »
I have a 78 t/a with a 400 in it. I was wondering if the shaker on those were supposed to be solid(no flap) or if it was supposed to have a flap that opened when you hit the gas pedal? I have had people tell me both ways are correct. Also would it help to open up giving it more air?
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Offline tribute

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Flap on the shaker
« Reply #1 on: September 07, 2006, 07:46:41 PM »
In 78 the flap did not open.  There are however kits that you can use to convert your non-functional scoop into one that opens based on either vacuum pressure or via electrial methods tied into the gas pedal.
421 Powered '77 TA

Offline kyledyr

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Flap on the shaker
« Reply #2 on: September 07, 2006, 08:29:39 PM »
http://www.pontiactransamshakers.homestead.com/

These are kits to open up your shaker. You have two options: Have it always open (when the car is running), or purchase a kickdown solenoid that opens up the flap when you really jam on the throttle.
"If you want me to be eco-friendly, make eco-friendly not suck."
'81 305 Trans Am WS6

Offline MacT/A80

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Flap on the shaker
« Reply #3 on: October 31, 2006, 04:26:48 PM »
i originally cut mine out but everything you could imagine ended up in there, so i bought the kit the others mentioned and i love it. theres nothin like smashin the gas a watchin it open, i was also probably the easiest thing i've ever done to my car
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1980 Trans Am, 400 Pontiac, auto
2011 Mustang, 1971 GMC C2500, 250 Straight 6, 4sp

Offline Hitman

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Flap on the shaker
« Reply #4 on: October 31, 2006, 05:39:25 PM »
There were functioning shaker scoops that had a opening flap, but they stopped about 1972.  After that, it was a solid scoop.
Brett Campbell
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1978 Trans Am