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head ID help

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Old Feb 4, 2002 | 07:10 AM
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GRENDLE's Avatar
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From: washington, NJ
head ID help

anyone know anything about casting #'s 33417369 . their supposedly off a 90 vett. will they work on an 86 TA? (exhaust ports line up etc.) any idea what the valve springs are good to? do these flow any good? i've got a chance to get them CHEEP. thanks for any info.
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Old Feb 4, 2002 | 08:27 AM
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From: SALEM, NH
Car: '88 Formula
Engine: LC9
Transmission: 4L60E
Axle/Gears: 3.89 9"
33417369...90-up...350..........Gen.I Goodwrench crate motor,
"Hecho en Mexico", 76cc


Not a bad head blower head with the 76cc chambers. I dunno the valve size tho, I assume 1.94..

-- Joe
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Old Feb 4, 2002 | 08:28 AM
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From: SALEM, NH
Car: '88 Formula
Engine: LC9
Transmission: 4L60E
Axle/Gears: 3.89 9"
Forgot to ask, are these heads alum or iron?
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Old Feb 4, 2002 | 10:15 AM
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From: washington, NJ
iron. thanks for the info. made in mex. = bad correct? lightweight castings?
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Old Feb 4, 2002 | 06:13 PM
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anesthes's Avatar
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From: SALEM, NH
Car: '88 Formula
Engine: LC9
Transmission: 4L60E
Axle/Gears: 3.89 9"
I dunno.. Never really used any mexican heads..

Whats the valve diameter??

-- Joe
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Old Feb 4, 2002 | 06:21 PM
  #6  
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From: Gresham, Oregon
Re: head ID help

Originally posted by GRENDLE
anyone know anything about casting #'s 33417369 . their supposedly off a 90 vett. will they work on an 86 TA? (exhaust ports line up etc.) any idea what the valve springs are good to? do these flow any good? i've got a chance to get them CHEEP. thanks for any info.
For future reference............ www.mortec.com
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