| FAQ |
| Members List |
| Social Groups |
| Calendar |
| Search |
| Today's Posts |
|
#1
10-26-2022, 09:59 PM
|
|||
|
|||
Help with Rod ID
Have a set of rods, reportedly Super Duty... Pics below, no numbers that I can find, marked GM ANY IDEAS?
 
|
|
#2
10-28-2022, 03:22 AM
|
||||
|
||||
|
Seeing as how nobody more knowledgeable than me (that's a lot of people) has stepped up...
IIRC, all the 58-62 rods were forged. Could these be good ones? Without any way to ID them odds are against it. Don't abandon research, it beats regret. I'm just steeling you for a possibility. Hope for the best, but prepare for the worst. Surest way to know if they're the regular rubber rods would be finding someone who can perform a hardness test on them. Brinell numbers are known. Sounds expensive though? Dunno, never looked into it. |
| The Following User Says Thank You to 242177P For This Useful Post: | ||
|
#3
10-28-2022, 03:43 AM
|
||||
|
||||
|
I would say 1963-1965 1/2 #544956 421 H.O. rod.
In general, widths of the big end of the Pontiac rods are .995", and the small ends are 1.250". Exceptons are 1958-63 S.D., .985" big end. 1973-74 S.D., .990" big end. 1969-70 RA V, .985" small end, .990" big end. Lots of info on rods in Pete McCarty´s second book. |
|
#4
11-09-2022, 08:04 PM
|
||||
|
||||
If you measure the rod from under the rod bolt head to above the rod nut, if it is exactly 2 inches, its an SD rod! other rods are 1 15/16th when measured the same way
__________________
1966 Lemans, 3700Lbs, 406 ci, #96 Heads, Crane 467/494 cam, RPM Intake, Q-Jet, 11 inch Converter, 3:90 gears, 3 inch exhaust, Best ET 12.62@107 MPH 414ci shortblock coming soon! |
| Reply |
|
|
The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.
Linear Mode
