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			----It might just be me, but I think Tri-Y heades are mostly for ease of installation. Probably some degree of performance upgrade but not optimum. Beautiful engine though!....Bill S
		 
		
		
		
		
		
		
		
		
	
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| The Following 2 Users Say Thank You to olredalert For This Useful Post: | ||
 67 Nova Boy (09-24-2021), Lee Stewart (09-24-2021)  | ||
		
		
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| The Following 8 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 60sStuff (09-24-2021), 69M22Z (09-27-2021), bobm67 (09-24-2021), Dave Rifkin (09-25-2021), dykstra (09-26-2021), jwbavalon (09-24-2021), olredalert (09-24-2021), YenkoYS-199Stinger (09-27-2021)  | ||
		
		
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| The Following 7 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 67 Nova Boy (09-24-2021), 69M22Z (09-27-2021), big gear head (09-24-2021), Dave Rifkin (09-25-2021), dykstra (09-26-2021), flyingn (09-27-2021), olredalert (09-24-2021)  | ||
		
		
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| The Following 12 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 69M22Z (09-27-2021), big gear head (09-24-2021), Dave Rifkin (09-25-2021), dykstra (09-26-2021), flyingn (09-27-2021), L78_Nova (09-24-2021), LT1vette (09-25-2021), Oldss (09-25-2021), olredalert (09-24-2021), SS427 (09-26-2021), Tenney (09-25-2021), YenkoYS-199Stinger (09-27-2021)  | ||
		
		
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| The Following 9 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 60sStuff (09-24-2021), 67 Nova Boy (09-24-2021), 69M22Z (09-27-2021), Dave Rifkin (09-25-2021), dykstra (09-26-2021), L78_Nova (09-24-2021), LT1vette (09-25-2021), olredalert (09-24-2021), YenkoYS-199Stinger (09-27-2021)  | ||
		
		
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| The Following 6 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 69M22Z (09-27-2021), dykstra (09-26-2021), earntaz (09-24-2021), olredalert (09-24-2021), PeteLeathersac (09-25-2021), SS427 (09-26-2021)  | ||
		
		
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| The Following 5 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 67 Nova Boy (09-26-2021), 69M22Z (09-27-2021), Dave Rifkin (09-25-2021), olredalert (09-24-2021), PeteLeathersac (09-25-2021)  | ||
		
		
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| The Following 9 Users Say Thank You to Lee Stewart For This Useful Post: | ||
 60sStuff (09-24-2021), 67 Nova Boy (09-26-2021), 69M22Z (09-27-2021), bobm67 (09-25-2021), dykstra (09-26-2021), jwbavalon (09-24-2021), olredalert (09-24-2021), PeteLeathersac (09-25-2021), YenkoYS-199Stinger (09-27-2021)  | ||
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