| FAQ |
| Members List |
| Social Groups |
| Calendar |
| Search |
| Today's Posts |
|
#1
11-10-2021, 05:40 PM
|
||||
|
||||
Identifying crankshaft?
I have a crank with center counterweights. I can't find any type of markings on it. Is there a way to identify the manufacturer?
I need a new aftermarket block. This crank has 3.25 mains. I'm assuming I can have the mains cut down to 3.00? |
|
#2
11-10-2021, 05:50 PM
|
||||
|
||||
|
At one time there were several top notch Crankshaft Machinists in California.
Without a receipt or a marking on the crank, it would all be a guess. A Wild Guess. Tom V.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
|
#3
11-10-2021, 07:19 PM
|
|||
|
|||
|
crank
Looks like a Moldex crank finished by RHS. Butler sold those crank, looks like a cross drilled crank.
|
|
#4
11-10-2021, 07:47 PM
|
||||
|
||||
|
All of the Cranks that Moldex produced years ago for Butler performance (5 cranks at a time ordered) were completely finished when they were shipped. I was there when they were being made. Whitey was the Shop Foreman. His son owns the place now. Whitey, RIP.
So I say BS on RHS finishing the cranks. Moldex always identified their cranks too. No Moldex Crank Stamp (but other ways). My opinion not a Moldex crank. Moldex also did Straight Shot oiling on those cranks. Not normal Pontiac oiling. Tom V.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
|
#5
11-10-2021, 08:49 PM
|
|||
|
|||
|
crank
Not trying to argue Tom V . My buddy damaged his crank and it is indeed a Moldex but was finished by RHS and was sold thru BP. It is also a cross drilled crank. He sent it to Moldex and they did say it is their crank that was sold thru Butler unfinished. They couldn't repair it as it cracked from the oil hole after he broke a rod. Just trying to help a fellow PY member.
|
|
#6
11-10-2021, 11:55 PM
|
||||
|
||||
|
Would have been nice to have post # 5 in the first place.
The cranks I saw DONE by Moldex were FINISHED Cranks, not a part that RHS machined most likely after Bob Gillian sold Moldex to Joe Flowers, Jr. So it was a roughed in crankshaft. It probably was not as strong either if the crank did not go thru ALL of the Steps that Moldex used to perform on their finished in house cranks. Nitriding being one of the last steps. Probably would have not been damaged in that oil hole area if Moldex had finished the crank themselves. Their detail work was excellent. It just took Moldex a lot longer to kick out a crank when they went from a 30 man shop to a 3 man shop. Always better in the beginning to give all of the details you are aware of vs make a short generic statement. Like it was a Butler/Moldex crank. It was but it wasn't, was it. Tom V.
__________________
"Engineers do stuff for reasons" Tom Vaught Despite small distractions, there are those who will go Forward, Learning, Sharing Knowledge, Doing what they can to help others move forward. |
| 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
