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    35s & gas mileage

    I did...the EGR, TPS, CTS, etc...all test good.
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    35s & gas mileage

    LOL...I wish....Checked it several times...somer times with the boat and other times without the boat/trailer/load at all....same results I have done all I could to figure it out... New cap, rotor, wires, plugs, PCV, fuel filter, oil filter and synthetic oil, tranny filter, air filter, IAC...
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    Engine Build for Towing

    O went with JL's for my mains and holy crap..they are clean as hell and pretty loud especially considering the are only getting maybe 22w RMS..LOL....My buddies swear I am lying when I am telling them they are only run off the head unit power...LOL I was actually thinking about a pair of W3's...
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    35s & gas mileage

    I get absolutely horrible MPG on a totally stock OBS 93 Ext. Cab 4x4 with 5.7L tbi and a 4L60E with 3.73 limited slip. I put 45 in one day and drove 58 miles and had less gas than when I put 45 in it.
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    Engine Build for Towing

    OK, I have been thinking about this lately...here is the option I am considering and would like yalls opinions Used Motor Rebuild Current Motor (it has 278K on it) 383 long block swap 454 and 4l80e in swap '99 5.7L and Tranny Swap '99 5.3L and tranny Used Motor with Vortec Heads and Manifold...
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    Engine Build for Towing

    Mine has RPO Z71 and 245's...Also, I mounted the 6 1/2 in the door and the 6x9's in the rear pillars where the 4x6's originally were
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    Engine Build for Towing

    It is running stock 245/75R16's...Also it is a 4L60E... I do plan to add headers, high-flow cats, and true 2 1/4 or 2 1/2 dual exhaust and probably a closed element CAI as well...also looking at doing the Ultimate TBI mods I either have to R&R the motor or I am gonna sell the truck but don't...
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    Engine Build for Towing

    Oh I forgot..the tranny cooling solution is....transmission-radiator-auxillary-transmission
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    Engine Build for Towing

    It has 3.73's in it I have heard good things about Blueprint motors only reason I was looking at them plus the aluminum heads were a nice touch Also, I am looking to get better then 5 mpg....so I am more concerned with TQ than HP
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    Engine Build for Towing

    Hey all, Sorry if this isn't the right place, but since I use my beast for towing my tournament bass boat...I thought this was the most appropriate place. I have a: 1993 GMC K1500 Ext.Cab 4x4 5.7L with 278K; 4L60E (supposedly rebuilt 1 year ago); 14 bolt 9 1/2 rear....also has RPO F44...
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    94 k1500 5.7 rough idle

    Sorry older thread jut wanted to say on a current note...mine ran like a$$. I did a tune up and I am running Accel cap, rotor, and wires with AC plugs with no issues in my 93 K1500 HD
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    oil pressure dropping at idol

    Mine does it and also has the slight rattle....spoke to a very trusted and highly recommended master mechanic and he stated in my case (275K mi.) that my motor would be needing R & R ( Repaired/Replaced) which I had already figured.
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