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View Full Version : could you guys decode this so for sure Im not goofing up

thepurelife
02-21-2006, 10:27 AM
Could you guys please decode these numbers so for sure Im not goffing up.Thanks in advance.I took all the numbers off the heads and block actually just off the one head but they are original matching set so 1 should tell.Thank bigtime as I am basically dumping it off and want to make sure its just a standard 348 heavy duty truck.

Block all numbers
3857655
gm4
Z
365
814
w01
HS
w14
96
68
011
Heads
381933
352
cfd
Super thanks again
bignbad60
02-21-2006, 11:31 AM
looks like truck stuff to me.
http://www.mortec.com/wmotor.htm
Tim
models916
02-21-2006, 01:53 PM
What does the flange on the crank look like? Round is 348, Bell is 409. #656 is 409 with 333 heads. #655 is 348 with 333 heads.
thepurelife
02-21-2006, 06:15 PM
What does the flange on the crank look like? Round is 348, Bell is 409. #656 is 409 with 333 heads. #655 is 348 with 333 heads.

Its round and the block is 655.Thats a 348 and the one you can stroke to a 409 from the information I get here and been told.Just did not understand why the block had no X and only a Z.Thats why I want to try to decode the number.Wish there was a way I could post pictures.