Re: Pontiac Tri-power
			 
			 
			
		
		
		
			
			670s are fine,with a tripower.REALLY better do a good calc on the CR.You should try and be around 9-9.25 for a pump gas engine.Also you might need a elect vac pump and can for the power brakes to work more than once even with Rhodes.Tom 
		 
		
		
		
		
		
		
		
		
	
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