Go Back   Corvette Forum > C4 Corvettes, 1984 - 1996 > C4 Tech/Performance
Sign in using an external account
Register Forgot Password?
Register Search Today's Posts Mark Forums Read FAQ Vendor Directory
Search
C4 Tech/Performance
L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Welcome to Corvetteforum.com!
Welcome to Corvetteforum.com.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, at no cost, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, join Corvetteforum.com today!


Corvette Store
 
 
C7 Parts & Accessories
C6 Parts & Accessories
C5 Parts & Accessories
C4 Parts & Accessories
C3 Parts & Accessories
C2 Parts & Accessories
C1 Parts & Accessories
Wheels & Tires
Sponsored Ads
 
 
Vendor Directory
  
Reply
 
 
 
 
Thread Tools Search this Thread
Old 12-10-2001, 09:37 PM   #1
black_89_vette
CF Senior Member
 
black_89_vette's Avatar
 
Member Since: Nov 2000
Location: Prescott Ontario
Default GM heads part #'s

I bought a 383 crate engine and the whole engine had to be dissassembled due to the fact that the people who put the engine together knew JACK poopie. Anyways, I put my alum. L98 heads on it after they were ported out. So, I have a set of heads here and they have a GM production number stamped into them. Problem is that I don't know what heads these are. They are said to be stage 2 ported, 3 angle valve job heads with this number stamped into them

14102188

Any ideas as to what heads these are? I think my mechanic said they looked like vortec heads.


[Modified by black_89_vette, 7:38 PM 12/10/2001]
black_89_vette is offline   Reply With Quote
Old 12-10-2001, 10:44 PM   #2
DOCTOR J
CF Senior Member
 
Member Since: May 1999
Location: Greenwich, CT
Default Re: GM heads part #'s (black_89_vette)


I'm not sure about stamping numbers - I thought those were production serial numbers put on at the foundry.

GM used to cast the item number into the head - as shown here between the rockers for 5 & 7 cyl (10088113). 113 is the L-98 head casting #.

http://temp.corvetteforum.net/c4/doc...x/car97-11.jpg


drj

DOCTOR J is offline   Reply With Quote
Old 12-10-2001, 10:50 PM   #3
Rich B.
CF Senior Member
 
Rich B.'s Avatar
 
Member Since: Aug 2001
Location: Lockport NY
Default Re: GM heads part #'s (black_89_vette)

Jims' Performance has a Head Chart at -
http://www.jimsperformance.com/headchart.html

...But I don't see your head # there...There's a 14102187, but it's from/for a small-valve 305...

...If that's it, you got ripped... :(
Rich B. is offline   Reply With Quote
Old 12-10-2001, 10:52 PM   #4
black_89_vette
CF Senior Member
 
black_89_vette's Avatar
 
Member Since: Nov 2000
Location: Prescott Ontario
Default Re: GM heads part #'s (DOCTOR J)

OOPs, I just rechecked them and the last 3 digits are 183, not 188.

I did go to the gm website and ran the numbers, even the 183 and came up with nothing. I checked it under Chevy, Pontiac and even Buick!

The stamps on the head are..

GM 5
14102183
GOO6 (?)
black_89_vette is offline   Reply With Quote
Old 12-11-2001, 01:43 AM   #5
SunCr
CF Senior Member
 
Member Since: Dec 2000
Location: San Diego, Ca
Default Re: GM heads part #'s (black_89_vette)

Casting # on my original '89 heads is 10088113. I believe the current production I installed had the same number, but it's a different design (the intake manifold bolts are counterbored for a gasket retainer and the rocker studs no longer include the factory guideplates). I recall someone posting info about casting #'s. You might want to try a search under Heads.
SunCr is offline   Reply With Quote
Old 12-11-2001, 01:18 PM   #6
Hendej
CF Senior Member
 
Member Since: Jun 2000
Location: Crystal Lake, IL USA
Default Re: GM heads part #'s (black_89_vette)

I put 14102183 into google and got your heads identified as '87-89 5.0 and 5.7L chevrolet/pontiac. See here:
http://www.generalautoparts.com/PDFs/Techtips1.pdf

This also came up:
http://www.nhra.com/tech_specs/engin...ts/CHEV-89.rtf

which says they are 53cc, 11.18 CR heads for a 305 TBI application. None of this is as important as flow numbers, which aren't listed. (IMHO)
Hendej is offline   Reply With Quote
Old 12-11-2001, 09:24 PM   #7
black_89_vette
CF Senior Member
 
black_89_vette's Avatar
 
Member Since: Nov 2000
Location: Prescott Ontario
Default Re: GM heads part #'s (Hendej)

Thank you very much for the info. I had a hard time finding any info on them. So, it looks like they're high compression pieces of crap. Thanks for your help Hendej.
black_89_vette is offline   Reply With Quote
Old 12-11-2001, 09:24 PM
 
Go Back   Corvette Forum > C4 Corvettes, 1984 - 1996 > C4 Tech/Performance
Reload this Page GM heads part #'s
 
 
 
Reply

Tags
10088113, 14102183, 14102188, 57l, 98, casting, chevy, cylinder, gm, head, heads, numbers, rocker, stud, tpi


Thread Tools Search this Thread
Search this Thread:

Click for Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off

Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
whats it worth??? L88,L89, L71 blunblk68 C3 General 2 07-03-2013 01:25 PM
Warning to ProComp Head Guys King Lear C3 Tech/Performance 15 02-03-2007 07:59 PM
Help Decoding an Engine nvr-enuf C3 General 7 08-02-2006 11:27 PM
Thinner head gaskets? joe73vette C3 Tech/Performance 9 01-09-2005 04:53 PM
Help identifying Engine shft22 C1 & C2 Corvettes 4 02-02-2004 08:57 AM


All times are GMT -4. The time now is 08:04 AM.


Emails & Password Backup