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have rebuilt engine with no info. what heads are these?

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Old Aug 10, 2010 | 06:02 PM
  #1  
call3n's Avatar
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
have rebuilt engine with no info. what heads are these?

sorry pics are upside down but i just snapped photos of numbers inside heads
it says J239 i believeName:  0810101848.jpg
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Size:  61.2 KBName:  0810101849.jpg
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Size:  52.2 KBName:  0810101850.jpg
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Size:  46.2 KBthis one says 8970126
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Old Aug 10, 2010 | 06:20 PM
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scamaro355's Avatar
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: have rebuilt engine with no info. what heads are these?

i looked here and didnt see that number anywhere http://www.73-87.com/chevy_ids/sbheads.htm
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Old Aug 10, 2010 | 06:22 PM
  #3  
call3n's Avatar
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

yea i cant find it either
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Old Aug 10, 2010 | 06:24 PM
  #4  
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Joined: Dec 2003
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: have rebuilt engine with no info. what heads are these?

i bet thats suposed to be 3970126 which is off a 67-70 327 194 intake and 150 exhaust
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Old Aug 10, 2010 | 06:24 PM
  #5  
call3n's Avatar
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

maybe the first 8 was actually a 3.
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Old Aug 10, 2010 | 06:25 PM
  #6  
call3n's Avatar
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Joined: Jul 2010
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

yea just saw that
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Old Aug 10, 2010 | 06:28 PM
  #7  
call3n's Avatar
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

ok how bout the block numbers. it has 2. 10w149981 T0926CNN
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Old Aug 10, 2010 | 06:30 PM
  #8  
scamaro355's Avatar
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Joined: Dec 2003
Posts: 489
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From: wv
Car: 92 rs
Engine: 355 stealth ram, dart heads, S480
Transmission: 4L80E
Axle/Gears: 3.42
Re: have rebuilt engine with no info. what heads are these?

looks like they are a 68cc combustion chamber also
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Old Aug 10, 2010 | 07:11 PM
  #9  
call3n's Avatar
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

those numbers are from the front side of the block passenger side. i also got this number from the back driver side down low- 3970014

Last edited by call3n; Aug 10, 2010 at 07:17 PM.
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Old Aug 10, 2010 | 07:19 PM
  #10  
call3n's Avatar
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Joined: Jul 2010
Posts: 13
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From: Sterling, MA
Car: 89 Pontiac Formula
Engine: 350 carb swap
Transmission: 700r4
Re: have rebuilt engine with no info. what heads are these?

think i found it. its a 70-73 350
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