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Proform 750 Street Series #67208 (vacuum seconday) 4BBL info.

Started by b5blue, May 04, 2015, 05:57:47 AM

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b5blue

  I'm starting this topic to cover the Proform 750 Street Series carb. There isn't much detailed info on this one out there. (Much more info on the mechanical secondary one, not what I'm looking for.) I'll add here as I nail down details.

303 Mopar

1968 Charger - 1970 Cuda - 1969 Sport Satellite Convertible

firefighter3931

Here are the basics Neal :

http://proformparts.specialtyauto.coresense.com/product-exec/product_id/874/nm/PROFORM_reg_STREET_SERIES_CARBURETOR_b_750_CFM_b_VACUUM_SECONDARY/category_id/182

Like the Quickfuel vac secondary carbs ; the secondary opening is controlled by a screw adjustment. Different from the typical Holley vacuum secondary which uses springs like your old 6-pack setup.

From the factory it comes with :

-6.5 power valve
-72/78 jetting
-70 idle air bleed/31 high speed bleed
-33 shooter on the primary discharge

* I'm assuming it has a 30cc accelerator pump

Let us know how it's running when you get it out for some testing  :yesnod:



Ron
68 Charger R/T "Black Pig" Street/Strip bruiser, 70 Charger R/T 440-6bbl Cruiser. Firecore ignition  authorized dealer ; contact me with your needs