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Pontiac Drop Base Shaker Assembly w/ 3" Cone Shaped Washable Element- for use with Edelbrock RPM Intake for '73 to '79 (326-455) Trans Am PTF-EP-401

PTF-EP-401
Pontiac Drop Base Shaker Assembly w/ 3" Cone Shaped Washable Element- For Use w/ Edel Perf RPM and Northwind NW-4150 Intakes & QJET/Holley Carb 1973-79 TA 326-455
**WILL NOT WORK w/ 403(1979) or 301(1980-81) Shakers**
Pricing: $249.95
5 5 3

Qty:

Description

WILL ONLY WORK ON PONTIAC  ENGINE WITH PONTIAC 400/455 SHAKER **NOT 301**.   GUARANTEED WILL NOT WORK ON 403 OLDS or SBC THAT CAME IN SOME PONTIAC CARS. THOSE SHAKERS HAVE DIFFERENT HEIGHTS AND OFFSETS

1973-79 TA 326-455 Pontiac Drop Base Shaker Assembly w/ 3" Cone Shaped Washable Element Included

Must use Pontiac 400/455 Shaker and not Oldsmobile

**Must cut shaker for air inlet

It can be made to fit with an air cleaner spacer if used with a stock height manifold.

Can work with the Torker II but it is a slightly different angle 

Can work with shorter intakes with spacers

*May not work on the early 1977 shaker that was only 2"*

*Will not work on a 74 GTO*

*Will not work on a 70-72 Trans AM with electric actuator flapper doors. To use on 70-72, must change base plate (OER Part# F10193) on shaker to a 73-76 and add a retaining ring.

 Not for KRE High Port Heads

Dimensions
Overall Height: 4 3/4"
Diameter: 16 5/8”
Filter Diameter: 10 1/4" top 13 3/4” bottom
Carb Flange to Top:2 3/4”

 

For use w/ Edel Perf RPM or Northwind NW-4150 Intakes and the following carbs/efi:

EFI Systems:
FAST EZ 1.0, 2.0
Holley Sniper
Holley Sniper2
FiTech

Modification of the drop base may be necessary at the fuel inlet fitting. 1/4", 1/2", 45/90 degree hose fitting or banjo fitting may also be needed

We have found the -6AN to o ring 3/8 steel 45 degree fitting works great to provide extra clearance instead of bending the pan to clearance the fitting on Sniper and Sniper 2 EFI systems. 

Holley Carbs:
Non-Electric Choke Carbs- Will work
Electric Choke Carbs- Will work

QJET Carbs:
Non-Electric Choke Carbs- Will work
Electric Choke Carbs- Will work

For some XP carbs the radius inside the drop base may need to be "massaged" to clear the float bowl

Edelbrock Carbs:
Non-Electric Choke Carbs- Will work with a Banjo Fitting from Russell (Part #640273).
Electric Choke Carbs- Will not work

 


 

Want more info on shakers and shaker differences? Click here for our Shaker Tech Article


To use a shaker scoop from an Oldsmobile engine you will need to locate another shaker from a Pontiac application. (See pictures to identify) The bottom portion of the shaker unit is metal and is riveted to the fiberglass shaker. The Olds and Pontiac fiberglass portion of the unit are the same. The rivets will need to be drilled and the metal portion removed to be attached to the corresponding application.

Oldsmobile Shaker

Pontiac Shaker

Details

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Shipping Information

  • Item Requires Shipping
  • 6.0 lbs.
  • W18.0000” x H18.0000” x L6.0000”
  • This item ships in its own box.

Customer Reviews

Comment Total Reviews (3)

76 Trans Am
  • Currently 5/5 Stars

Reviewed by:

Product ownership: Less than 1 month

Purchased from: Butler Performance Inc.

Comments:
Great fit for my application. I have a Pro Plus intake and Holley 750 DP and want to have the option of a functional flap in the shaker. The intake was designed to keep stock shaker location, so different than the RPM, but it fits perfect and looks clean.

78 T/A 6.6
  • Currently 5/5 Stars

Reviewed by:

Product ownership: Less than 1 month

Purchased from: Butler Performance Inc.

Comments:
Unit works and looks just fine. On top of an Edelbrock Performer intake and a Holley 4150 carb, I use a half inch adaptor which clears the float bowls, seals the shaker to the hood and allows it to shake as it should. The only drawback I encountered is the somewhat difficult attachment of the shaker to the base with my OEM ring clamp. A very close fit slows down the time required to put the shaker on. It's a factor to me because I only place the shaker on the base if I get caught in the rain. The engine is tuned with an open element in mind which is the normal operating mode.

Drop Base Shaker Assembly For Trans AM
  • Currently 5/5 Stars

Reviewed by:

Product ownership: Less than 1 week

Purchased from: Butler Performance Inc.

Comments:
I bought a 77 Trans AM with an Edelbrock Performer RPM and a Holly Street Avenger carb. The former owned raced the car and had a 14" air cleaner sticking out of the hood. Ugly as hell! One option was to install a stock intake and spend around $750 for the missing shaker components or spend $249 for this unit and keep the intake and carb the way it was. I'm really glad I went with the drop base. Installation was a snap, with no issues. The only modification needed was to shorten the air cleaner stud 2".

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