LO5 vs. LT1
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5.0 and 5.7 Discussion, LO5 vs. LT1 in Cadillac Engine Technical Discussion; Yesterday, I talked to a guy who works at a junkyard. He just totaled his 96 9C1. Seems some old ...
  1. #1
    JAKE91's Avatar
    JAKE91 is offline Cadillac Owners Fanatic
    Automobile(s): 1993 FWB, 1979 COUP DE VILLE,'92 ROADMASTER
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    Cool LO5 vs. LT1

    Yesterday, I talked to a guy who works at a junkyard. He just totaled his 96 9C1. Seems some old lady in a 2003 Cadi Deville didn't stop for a red light at an intersection he was already 1/2 way through...and the rest was history. The engine and tranny were both damaged. It was a total loss. Even the rear end snapped on impact...he didn't even have time to brake. (He didn't get hurt at all! Not a scratch. Proof that Chevy B-Bodies save lives!) He's gonna take the interior out but that's all that could be saved. He told me he wants a TBI version of the 9C1 and wanted to buy mine...I said..."Sorry dude...no way!" He said that he had so much trouble with his LT1 Caprice...it was hard to work on...parts were expensive....he sometimes searched high and low for problems and couldn't find them...etc...etc. He wants a more old fashioned engine like the TBI version because they are easier to work on. Everything is right where its always been. He said changing the wires is even a B_TCH because he had to take off the pulley and the belt to get to the thing that is supposed to be the cap. Changing the plugs were a 3 hour job for him. Two sensors cost him 200.00 bucks! :drinker

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  3. #2
    monkeymuscles is offline Cadillac Owners Member
    Join Date
    Jan 2004
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    Re: LO5 vs. LT1

    The LT1 is a little exspensive at times and is harder to work on compared to an LO5 but you get alot of power out of them. The B and D-body LT1 has 260hp and 330 ft/lbs of torque. The ignition is very difficult on the LT1/L99 engines because you need to take the harmonic balancer and water pump off to get to the distributor(opti spark). The wires are hard becase of the location of the distributor they are routed under the manifolds. I guess it depends on what you grew up with. Me, I like these computer controled engines because this is what I'm growing up with and learning on. Both the LO5 and LT1 are excelent engines and could last 300K miles or more if kept up well and both can accept a decent amount of power.

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