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Can any one tell me what heads i have?

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Old Oct 16, 2010 | 12:23 PM
  #1  
krzyz's Avatar
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From: winnipeg canada
Car: 1982 z28
Engine: 383
Transmission: 4l60e
Axle/Gears: 3.73 posi
Can any one tell me what heads i have?

ok so i got the casting number off my cylinder heads and i cant seem to find any kind of specs on them can any one help me out IDing these heads here is the cast number #3998820.

thanks
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Old Oct 16, 2010 | 01:06 PM
  #2  
AlkyIROC's Avatar
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From: 51°N 114°W, 3500'
Car: 87 IROC L98
Engine: 588 Alcohol BBC
Transmission: Powerglide
Axle/Gears: Ford 9"/31 spline spool/4.86
Re: Can any one tell me what heads i have?

Not a good casting number. There's a 3998920

72-74 350 heads. 1.94/1.5 valves.
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