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Author Topic: Suffix code????mystery  (Read 1855 times)

Offline Keith8486

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Suffix code????mystery
« on: May 14, 2013, 06:41:48 pm »
I have an 454 motor. No casting number...but got an suffix code of....t0316m6b.....I know the first 5 mean.the last three I can't find anywhere. Please help.the heads are 91-01 heads.suppose to be an stock vortec motor.
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84 dually 454
86swb 305.

Offline Captkaos

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Re: Suffix code????mystery
« Reply #1 on: May 19, 2013, 02:28:04 pm »
How can you have a motor that doesn't have a casting number.  All of them has casting numbers...
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