Thread: Casting numbers?
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03-20-2004 04:28 PM #1
CHR Member
- Join Date
- Feb 2004
- Location
- Peterborough
- Car Year, Make, Model: 86 GMC S-15 SBC powered
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- 65
Casting numbers?
Could some one tell me or direct me to where I can find out what theses numbers mean 3898920, GM-5, F-29-3, They are on the heads of my smb.
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It would be nice if this up and down crap would cease.
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