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head ID help

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Old 02-04-2002, 07:10 AM
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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.
Old 02-04-2002, 08:27 AM
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Car: '88 Formula, '94 Corvette, '95 Bird
Engine: LC9, LT1
Transmission: TKX, 4L60E
Axle/Gears: 3.42, 3.23
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
Old 02-04-2002, 08:28 AM
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Car: '88 Formula, '94 Corvette, '95 Bird
Engine: LC9, LT1
Transmission: TKX, 4L60E
Axle/Gears: 3.42, 3.23
Forgot to ask, are these heads alum or iron?
Old 02-04-2002, 10:15 AM
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iron. thanks for the info. made in mex. = bad correct? lightweight castings?
Old 02-04-2002, 06:13 PM
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Transmission: TKX, 4L60E
Axle/Gears: 3.42, 3.23
I dunno.. Never really used any mexican heads..

Whats the valve diameter??

-- Joe
Old 02-04-2002, 06:21 PM
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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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