10-18-2025, 02:58 PM

68lemans462 68lemans462 is offline

Ultimate Warrior

Join Date: Jul 2003

Location: Lakewood, Colorado

Posts: 1,433

Tell me more about this 455 HO block I picked up

1972 485428 455 HO block, YB code, J041 date code. The block appears to have a relatively fresh .030" bore and 4 bolt main caps. How rare is this block and what is it worth?

Attached Thumbnails

Click image for larger version

Name: 20251018_124004.jpg
Views: 155
Size: 73.7 KB
ID: 658907

Click image for larger version

Name: 20251018_123939.jpg
Views: 205
Size: 73.8 KB
ID: 658908

Click image for larger version

Name: 20251018_124032.jpg
Views: 194
Size: 95.0 KB
ID: 658909

Click image for larger version

Name: 20251018_123916.jpg
Views: 181
Size: 90.7 KB
ID: 658910

Click image for larger version

Name: 20251018_124028.jpg
Views: 131
Size: 64.5 KB
ID: 658911

__________________
*************************************
1968 Lemans. 37,000 original miles. GTO clone. 462ci/KRE 290 heads. UltraDyne 280/288 Solid/850 Qjet by Cliff/Performer RPM/TSP 9.5" in TH400/8.5" 3.42 gears/3950# Race weight/12.58@106 at Bandimere speedway high altitude

Reply With Quote

The Following User Says Thank You to 68lemans462 For This Useful Post:
Baron Von Zeppelin

« Previous Thread | Next Thread »

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 Forum Rules

Forum Jump

All times are GMT -4. The time now is 08:13 PM.

About Us

The PY Online Forums is the largest online gathering of Pontiac enthusiasts anywhere in the world. Founded in 1991, it was also the first online forum for people to gather and talk about their Pontiacs. Since then, it has become the mecca of Pontiac technical data and knowledge that no other place can surpass.

Menu

About Us