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Original Message
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| RE: Nope. |
| By McQ - 06/08/2006 12:10:20 AM; IP 4.242.45.86 |
There wasn't a part/casting # stamped on the tri power intakes. The big block FE tri power was introduced in April, '61 for the HP 390/375 horse engine. The tri power bumped the horse power rating to 401. This exact system was carried over into '62 with the 390HP and then the mid year 406. For '63, the tri power 406/405 horse continued to mid year until the 427 replaced the 406 option.
What you might be able to find is a date code on your intake. On some, and this isn't always the case because some are totally void of date codes/numbers other than firing order, you might find:
1E24 cast near the top of the thermostat housing. This particular stamping means -
1 - 1961
E - May
24 - 24th day of May.
The tri power became an over the counter option after mid '63, all the way into at least '67.
That's about all I can tell you. |
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