Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - sbc heads
Thread: sbc heads
View Single Post
  #2 (permalink)  
Old 08-24-2005, 07:16 AM
DoubleVision's Avatar
DoubleVision DoubleVision is offline
Not Considered a Senior Member
Last photo:
Join Date: Oct 2002
Location: Heart Of Dixie
Age: 43
Posts: 10,733
Wiki Edits: 0

Thanks: 19
Thanked 77 Times in 71 Posts
The 993 casting went out of production in the 70`s. However, Goodwrench later picked the casting back up on there targetmaster crate engines, you should see "hencho en mexico" on the casting, meaning, made in mexico.
These heads are heavy casted, 76cc chamber, 1.94 intake 1.50 exhaust.
305`s never came with these heads from the factory, 305`s have 1.71 valves and 1.84 inch valves on the intake side, since a larger valve will likely hit the small bore. The 400 small block was made from 1970 to 1980, so what you have is heads off a 350 if your certain they were made after 1985. Look on the block, if you see the same mexico casting, you have a target master block as well.
Reply With Quote