[Fot] tr3 overheating

[KENMUN at aol.com]

fot, thanks for all the responses. now i have a head id question for tr3/4. 
 i've got 4 heads; 3 have 1 5/8" intakes and have the following cast into 
the top  of the head; "a", "h29": "m"," p79 ": "m", "p286". the 4th has  1 
1/2"  intakes and cast "a", "302137" and a stamped "11395". anyone what the  
difference might be? thanks, ken m.
**************Access 350+ FREE radio stations anytime from anywhere on the 
web. Get the Radio Toolbar! 
(http://toolbar.aol.com/aolradio/download.html?ncid=emlcntusdown00000003)