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Not Restored, But Custom Built

ISTMP

Member
Joined
Feb 24, 2021
Messages
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Location
Roswell, New Mexico
1940 Plymouth PT-105
Custom tube chassis:
Designed on CAD and all parts detailed on drawings.
2" chrome moly tube
4-link rear
Custom front A-arms
Bus miter box steering w/Mustang II
Rack&Pinion
Shortened 8-1/4 Sure Grip Rear
(with girdle and 3:55 gears)
108" Wheelbase
4 wheel disc brakes
15 gal Jeep CJ fuel tank
Engine:
Stock 440 .030 bored
RPM intake/750cfm carb
Custom 1-7/8 headers to 3" pipes
Remote mt oil filter
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The front grille was trashed. So we
fabricated a new insert. Running boards shortened 8", rear fenders shortened 3". The bed sides are
from a '54 Ford.
 
Looking good there. Only question is why an 8-1/4 housing with plenty of 9-1/4 units out there. Especially when powered by a 440.
 
Cheap, plentiful, and easy to narrow.
I can get these for around $100.
Got a friend with a junkyard that has
them stacked up like cord wood.
With the girdle, it should be able to
handle the 440.
 
Cheap, plentiful, and easy to narrow.
I can get these for around $100.
Got a friend with a junkyard that has
them stacked up like cord wood.
With the girdle, it should be able to
handle the 440.
How many can you narrow before they are no longer cheap including towing fees? Can you post a picture of that girdle?
 
Running the 8-1/4 on history of a friends R/T (440/6 pack), that runs
consistently in the 12's. Weight and
cost were his deciding factors. It's
been under his car for many, many
passes and has never had a problem.
He also runs the same girdle I'm
using. And we both also eliminated
the "C" clips.
Sorry, no pic of the Girdle, but it's
manufactured by Moser Engineering.
 
Yes. The load bolts for these have a
swivel foot that lands on the bearing
caps and housing (at an angle). We
removed the foot and ground the
ends of the bolts round, and they
now land on the center of the caps.
We've also mounted the 4-link bars
using rubber bushings instead of
Heim joints to reduce the shock to
the differential housing.
 
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