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 Stock Valve Springs 
		
		
		Can I Run An E 303 Cam With 1.7 Roller Rockers With Stock Heads An Springs.....thanks  
	And How Much Hp Do You Think I Have ......... Thanks My Set Up 83 Gt 91' Block, Edelbrock F4b Intake, 650 Holley Carb, Msd, Ported Stock Heads, E 303 Cam (.498) In. Lift 220 Duration, Shorty Headers,2 1/2 In. H Pipe 2 Chamber Flowmasters, T-5 W/ 3.73 Rear Gears, 245-55-16 Ponys  | 
		
 Re: Stock Valve Springs 
		
		
		I absolutely would not - put a fresh set of springs in rated for .550" lift 
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 Re: Stock Valve Springs 
		
		
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 Re: Stock Valve Springs 
		
		
		THANKS,         HOW MUCH HP DO YOU GUYS THINK MY MOTOR HAS. 
	My Set Up 83 Gt 91' Block, Edelbrock F4b Intake, 650 Holley Carb, Msd, Ported Stock Heads, E 303 Cam (.498) In. Lift 220 Duration, Shorty Headers,2 1/2 In. H Pipe 2 Chamber Flowmasters, T-5 W/ 3.73 Rear Gears, 245-55-16 Ponys  | 
		
 Re: Stock Valve Springs 
		
		
		My best guess is 240-250RWHP 
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