Are 1975 heads worth messing with?

D

Dejavu

New Member

Apr 5, 2005

25

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LONGISLAND

Sep 19, 2005

#1

• Sep 19, 2005

• #1

I was given a 1975 302 that has very low original miles (I know it has never been rebored) and when I tore it down showed very little wear. The heads are set up for a smog pump so they have a huge hump at the top of of each exhaust port. I have port matched and done a little head work before but want to know; will the labor (free) be worth the trouble on these smog heads?
Thanks,
Fred

 

Max Power

Active Member

Jul 31, 2003

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36

St Paul

Sep 19, 2005

#2

• Sep 19, 2005

• #2

They will never flow a lot, but if you want to keep using them, getting rid of the thermactor bump would be a good thing, especially if it is free.

 

B

bnickel

Founding Member

Aug 21, 2002

5,640

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77

lubbock, texas

Sep 19, 2005

#3

• Sep 19, 2005

• #3

depending on the casting it could be a pretty decent set of heads. most 75's would have the D0OE casting number, if yours does you're in good shape, if it has a D5OE scrap them or use them for practice porting

 

D

Dejavu

New Member

Apr 5, 2005

25

0

0

LONGISLAND

Sep 19, 2005

#4

• Sep 19, 2005

• #4

DOH! D5OE Did some searching and found a lot of good info on E7s, and the general feeling is D5 = BOAT ANCHOR. Thanks for your replies, I' ll probably do some practice on these or see if I can find a good home for the whole motor .
Thanks for your replies,
Fred