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Old Apr 20, 2010 | 09:43 PM
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2025 Corvette of the Year Finalist - Modified
2024 C3 of the Year Winner - Modified
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Default Head id numbers

These heads have been on for about 32 years give or take, two valve jobs, hardened exhausts seats. The usual valve job stuff.

I would like to know what they came from. What size valves etc.

Drivers side 3749765
Pass side 3932461

Any help welcome, or point me in the right direction to get the facts.

Last edited by Mod75; Apr 20, 2010 at 10:24 PM.
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Old Apr 21, 2010 | 02:38 AM
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Pass side 3932461 - Application 1969 Corvette 350 300/350hp 62cc 1.94/1.50, 2.02/1.60
Driver side should be 3872765
http://corvettec3.ca/casting.htm

Avner
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Old Apr 21, 2010 | 04:17 PM
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Good site but the '78 and '79 L-82s are called L-48s.
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Old Apr 22, 2010 | 06:15 AM
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Are we talking head numbers here or exhaust manifold numbers? The numbers listed don't correlate to any heads I can find. The drivers side doesn't match anything, but the passanger side matches an exhaust manifold number from 70-72 vettes.
Manifolds are down toward bottom:
http://www.nastyz28.com/sbcmenu.php
Heads:
http://www.nastyz28.com/sbchevy/sbch.php
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Old Apr 24, 2010 | 02:00 PM
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2025 Corvette of the Year Finalist - Modified
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2021 C3 of the Year Finalist - Modified
2019 C3 of Year Finalist (appearance mods)
Default Id #

Yes it looks like I have some of my part numbers are not correct. Will check again this weekend, after 33 years and i have misplaced the info.

Thank you
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Old Apr 25, 2010 | 08:39 PM
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When you get your head numbers, you can check them out at www.mortec.com.
Terry
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