oldburbs -
I appologize for the shorthand. "MPC" is the Master Parts Catalog - available on line at Keith Hardy' site.
> Old Online Chevy Manuals> '29-'54 MPC> '29-'57 MPCBrake Pull Back Spring Description
(FYI - 4.827 #369935 is parking brake pull back spring)
> MPC Group 4.827, part #3698665Clutch Pedal Pull Back Spring Description
> MPC Group 0.844, part #3653114> Clutch Pedal Diagram in MPC>> I'm not sure what springs you have. The photos by DADS50 match the Factory Assembly Manual diagrams. I defer to him regarding which of your springs would be correct for each job. I assume that the spring with the stronger pull would be for the clutch pedal.
Aftermarket springs are probably not exactly correct. I replaced the brake pedal return spring on my '54 with one from Chevs of the 40s. Chevs of the 40s often uses the same part number as the MPC (#3698665). The Chevs spring is 5-3/4" overall length, it has 50 coils, is 1/2" ID, and the hooks on each end are 1" from the coils. The spring that I replaced was stretched and distorted and I don't know if was original. It had 27 coils (30?), the hook on one end was 3-3/4" from the coils, and the hook on the other end was 7/8" from the coils. It looked like the brake spring in FAM 5/2.00, but not like the one in FAM 6/4.00. I don't know the correct length of the "Brake Link" in FAM 6/4.00 and the "3683931 EXTENSION" in FAM 5/2.00.
> Chevs #3698665Chevs of the 40s spring #3653114 (the clutch pedal pull back spring in the MPC) is listed as Throwout Arm Spring, 6" in Chevs catalog and does not look like the spring in the FAM or the one in Gus's photos. The spring on my '54 clutch pedal is like the Chevs of the 40s spring, and it works fine.
> Chevs #3653114The Filling Station "CLUTCH PEDAL RETURN SPRING" #SA-187 looks like the one in the FAM
> Filling Station #SA-187The Filling Station does not show a "Brake Pedal Return Spring."
Guess I totally muddied up the waters!
