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Old 08-28-2002, 08:09 AM
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Post High Tourqe, Good economy

Im looking to make a High, low end tourqe motor that gets gets good economy, I herd they go hand and hand. So far i have a 350 sbc I put a new lower then stock cam in it, The enigne has dished pistons. I figured i need 64 cc chambers to get a good 9.1 compression. Now i must figure out the heads. There is a set of completly re-done 93 TBI heads for $160 bucks. I want high tourqe from this motor so are those heads good, or are the fulie heads better. I already got an Edelbroke S-P-2-P intake manifold which is made for econmy and low end tourqe. Can someone give me advice on what i should do, to get low end tourqe engine that gives atleast 20 MPG. Thanks

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Old 08-28-2002, 06:51 PM
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LOL....sorry had to say this....A LIGHT FOOT.
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Old 08-28-2002, 07:18 PM
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For low end torque and economy its my understanding that smaller is better.Dual plane intake,cam 204-less intake,small tube headers,heads I would say small intake runners w/ small valves 1.94 and lower like 1.84 or 1.72.
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Old 10-17-2002, 08:25 PM
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you can actually get alittle better fuel economy with a slightly bigger than stock cam.the less your engine has to work,the more efficient it will be. for example,dual exhaust,electric fan,a 4speed auto tranny wouldn't hurt,a 1 inch spacer plate,and a k&n filter are all agood plan.all tes little things helped my 90 gmc pick-up average 25-26 mpg@ 65 onthe hiway,as well as keep up to any stock 5.3 vortec out there.
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Old 10-17-2002, 09:36 PM
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Impressive mpg figures, especially for a truck that has all of the aerodynamic qualities of a barn door going thru the air! Anyway, I think Copper top hit the nail on the head with the OD tranny. That will give you to greatest mpg increase. Then you don't have to run pueny valves and a little biddy cam! I love your idea about those TBI heads. I think they are a "secret" part of a recipe that makes for a powerful combo on the cheap. While your at it, why don't your try and install to whole enchalatta and get the TBI set up for your auto. There is a sea of 305 TBIs quietly sitting in the junk yards. I bet you could get every thing you needed, Throttle body and manifold included, for less than 200 bucks! Heck man, get the TBI motor! It's got a roller cam setup. You can re-use those lifters and install a sweet running mid-80s Z-28 cam for very few dollars. That thing will purr and have some impressive power and get good milage. Isn't that what it's all about for the street! Good luck
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