Quote:
Originally Posted by blazerboy_4life
Oh I in no way think I im going to get any where near the 100mpg rating ive read about thats just silly. I do however think its possible to hit the 22-25mpg range on my 305 with some help.
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You will be a lot closer with fuel injection. My '83 K20 started life with the base 350, 3.42 gears, 700R4. It got 14 mpg city and 17 highway. At 150,000 miles a cam lobe went down. I swapped in a stone stock L98 Corvette TPI engine. Now I get 17/19 mpg and the driveability is much improved. On a 305 you might get a touch better. TPI is really optomized for a 305. I had a 305/5-sp/3.54 IROC Camaro that got 17-18 city and 20-21 highway.