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Originally Posted by 64fleetside
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
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I have one of these injection set ups with or without heads. every thing is rebuilt and ready to run. $1000 for with heads and $400 without