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| block I.D. help https://slantsix.org/forum/viewtopic.php?t=39364 |
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| Author: | akbmotorsports [ Thu Mar 11, 2010 2:13 pm ] |
| Post subject: | block I.D. help |
numbers on pad PT 225 R 4 28, on side 2806830-2, 041691 AM. thanks, andy. |
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| Author: | Reed [ Thu Mar 11, 2010 2:32 pm ] |
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http://www.slantsix.org/articles/parts-matrix/jpg.htm |
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| Author: | akbmotorsports [ Thu Mar 11, 2010 2:53 pm ] |
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thanks. i was told this was a marine engine and was curious if the "R" (PT 225 R) would indicate reverse rotation. the (gift) block is junk, but the head and forged crank are good. if reverse will the head and crank work in normal rotating engine? andy. |
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| Author: | Joshie225 [ Thu Mar 11, 2010 3:03 pm ] |
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The head and crank should be just like a standard rotation engine. Do you have the cam or other parts that might confirm you have a reverse rotation engine? |
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| Author: | akbmotorsports [ Thu Mar 11, 2010 3:34 pm ] |
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this came to me with the head, less rocker assembly, timing set, cam and crank only. cylinders rusted and busted, pistons siezed. i haven't yet pulled crank or cam, just removed the rod and main caps and all journals look perfect. will pull those tomorrow and get #s, but if the head and crank will work, than cool, extra parts to play with  . thanks, andy.
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| Author: | SlantSixDan [ Thu Mar 11, 2010 3:44 pm ] |
| Post subject: | Re: block I.D. help |
Quote: PT 225 R 4 28, on side 2806830-2, 041691 AM.
PT: Passenger car engine made at Trenton engine plant225: Cubic inch displacement R: Regular fuel/regular passenger car service 4 28, if it is in fact 4 28, means April 28 production date. If it is missing a stamped digit, then it breaks out as follows: 4028: August 7, 1972 4128: November 15, 1972 4228: February 23, 1973 4328: June 3, 1973 4428: September 11, 1973 4528: December 20, 1973 4628: March 30, 1974 4728: July 8, 1974 4828: October 16, 1974 4928: January 24, 1975 Not a marine engine. It's amazing the lengths sellers will go to in an effort to avoid having to say "I don't know". 
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| Author: | Reed [ Thu Mar 11, 2010 3:51 pm ] |
| Post subject: | |
Quote: this came to me with the head, less rocker assembly, timing set, cam and crank only. cylinders rusted and busted, pistons siezed.
I guess it is a marine engine after all- it would make a great boat anchor.
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| Author: | akbmotorsports [ Thu Mar 11, 2010 3:57 pm ] |
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anchors aweigh!! this was a freebie so whatabargain. thanks for the replies. 
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| Author: | 4speed [ Thu Mar 11, 2010 5:21 pm ] |
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If it was a "reverse" engine all I can think of is the cam/starter/oil pump?/drive gear for the distributor(and distributor) would be backwards. Rest of the engine would be the same. Lynn |
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