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cast # on heads?

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Old Sep 1, 2003 | 12:32 PM
  #1  
leo037's Avatar
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From: Downey, California
Car: 92 RS with B4C Package
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 323
cast # on heads?

Hey can any one tell me what these numbers mean, one head has 3998991 hard to tell if the numbers are 9's or 8's and the other has 14079261. Thanks
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Old Sep 1, 2003 | 01:15 PM
  #2  
JERRYWHO's Avatar
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From: So-cal.
Re: cast # on heads?

Originally posted by leo037
Hey can any one tell me what these numbers mean, one head has 3998991 hard to tell if the numbers are 9's or 8's and the other has 14079261. Thanks


3998991....72-73...307/350......75cc chambers
14079261...86......350


This is from www.mortec.com

Jerry
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Old Sep 1, 2003 | 02:59 PM
  #3  
Dyno Don's Avatar
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From: Orange, CA
Car: '90 Trans Am-12.45@110.71
Engine: 355 w/AFR 195's Elem. 400/430 HP/TQ
Transmission: Tremec T-56
Axle/Gears: 12 Bolt 3.73
Hey Leo:
Where've you been....we needed another Firebird at the Southbay cruise ...we only had 8
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Old Sep 1, 2003 | 06:00 PM
  #4  
leo037's Avatar
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From: Downey, California
Car: 92 RS with B4C Package
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: 323
Thxs Jerry, Hey Don yea I wish I could have made it but I din't know redoing the headliner was going to take so long but it looks nice now now my car can look a little nicer for the next meet.
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Old Sep 1, 2003 | 06:43 PM
  #5  
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From: So Cal
are these heads any good for an engine build? i want something that flows pretty good or at least can be worked.

leo...if they arn't, im sure we can still work something out for a trade. couple runs to the junk yard or something.

l8. leo call me on my cell. you can come get the spoiler when you want.
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Old Sep 1, 2003 | 08:52 PM
  #6  
demonchild's Avatar
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hold up...two different heads? can someone clarify?
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