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64fleetside · 11-28-2004, 04:20 PM

305/700R4 & 3.42 gears in an 88 silverado got me over 20 always. My bro had same combo in a 88 full size work van also gave over 20. I know these were both injected but a well tuned Qjet would be close. I get 17-18 in my 64 w/350/700R4/3.42. Brian

11-28-2004, 04:20 PM	#9
64fleetside Registered User Join Date: Apr 2004 Location: arkieland Posts: 1,070	305/700R4 & 3.42 gears in an 88 silverado got me over 20 always. My bro had same combo in a 88 full size work van also gave over 20. I know these were both injected but a well tuned Qjet would be close. I get 17-18 in my 64 w/350/700R4/3.42. Brian