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500, 472, 425, 368 Discussion, Problems with V 8-6-4 ???? in Cadillac Engine Technical Discussion; How come ur caddy sags so much upon full throttle, my dads barely sags upon full throttle and the air ...
  1. #61
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    Re: Problems with V 8-6-4 ????

    How come ur caddy sags so much upon full throttle, my dads barely sags upon full throttle and the air bags have rotted away.
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  2. #62
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by bigblockcaddy
    yea i heard they were rushed into production so thats why it had all the faulty shit....but i just dont like the fact that caddy put a v6 in a 2 ton plus car...it dosent seem like it would move it like my 425 or the 472
    HT4100 is a V8, but there is also a 4.1 Liter V6 made by Buick. That V6 actually makes more torque than the V8.
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    Re: Problems with V 8-6-4 ????

    The only thing i will do internally is my timing chain and gear, even though it doesn't need it. But it will give 5 horses. I will also check my mains, though they don't make any noise. ALLdata says that some 4100 engines have a main bearing knock. And my caddy makes a knock when warm, but i'm positive that my lifters are full of shit. So they can't build up enough pressure. That is fixable with half a litre of tranny fluid and a 30 min idle and then rotella 15w40.
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    Re: Problems with V 8-6-4 ????

    It's not sagging DA, the front end is lifting up because the car actually has some power.
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  5. #65
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    How come ur caddy sags so much upon full throttle, my dads barely sags upon full throttle and the air bags have rotted away.
    Cars will sag more because of the power that they have. Go look at a pic of a '70 Chevelle SS454 launch. And your dad's doesnt have airbags. Cadillac never offered air spring suspension, and even Lincoln didnt have it until the 1988 Continentals, and I think that was different than the air springs they had in the 90 Town Cars.
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    Re: Problems with V 8-6-4 ????

    How does a timing chain and gear add 5 horsepower?
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    Ricks 4.9 may be faster than my 87 but i don't care, but my 4100 has the msd 6a ignition, and i have the msd pro billet ditributor along with msd cap, rotor, Ignition control module, coil, and super conductor wires and bosch platinum plus 4 plugs. All i have to do is replace my timing gear with steel gear and get a superchip installed. I felt a VERY big difference in power when i took it for a spin, plus i have flowmaster exhaust and a magnaflow cat.
    Look kid... I keep trying to post this stupid stuff, lame combacks and stupid pictures... hoping you'll get a clue...

    all this MSD stuff you mention will do nothing on a stock 4.x.... much less an HT4100. There is no way at all the HT4100 is anywhere near the limits of the stock HEI.

    You would also realise those Bosch +4 plugs are garbage in the engine. I had them in mine and removed them after 15k for stock spec AD Delco platniums... they are far better.

    flowmaster exhaust? you must mean muffler... because with stock manifolds and exhaust pipe, that is hardly a whole exhaust.

    Really none of that you mentioned is doing anything worth noting for performance on your HT4100. Don't believe me? Take it to the drag strip on a weekend, I'll bet my stock 1989 Oldsmobile 131k V6 is faster.
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by terrible one
    How does a timing chain and gear add 5 horsepower?
    ricer mentality.....ricer mentality........
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  9. #69
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    Re: Problems with V 8-6-4 ????

    My dads caddy doesn't sag actually because i put spacers in the springs in the back. You can definatly feel the torque on my dads caddy.
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by terrible one
    Woah! A bunch of MSD stuff! Did you do anything INTERNALLY?
    yeah dude, red neon lights under the dash!
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    How come ur caddy sags so much upon full throttle, my dads barely sags upon full throttle and the air bags have rotted away.
    Your response:

    Its called TORQUE. The 4.9 has lotsa torque, the HT4100 doesn't. That is why Daddys million mile, suspension-less Caddy dosn't sag.

    Real answer:

    the stock struts where shot, and the electronic level control had a leak. All of that has been fixed now.
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  12. #72
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    Re: Problems with V 8-6-4 ????

    I'm almost positive that '89 Eighty Eight with the 3800 would beat the '87 deVille.
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    My dads caddy doesn't sag actually because i put spacers in the springs in the back. You can definatly feel the torque on my dads caddy.
    READ MY POST! IT IS NOT SAG, ITS THE FRONT END LIFTING UP. WHY THE HELL ADD SPRING SPACERS?! SO IT WILL RIDE LIKE A HONDA?
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  14. #74
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    The only thing i will do internally is my timing chain and gear, even though it doesn't need it. But it will give 5 horses. I will also check my mains, though they don't make any noise. ALLdata says that some 4100 engines have a main bearing knock. And my caddy makes a knock when warm, but i'm positive that my lifters are full of shit. So they can't build up enough pressure. That is fixable with half a litre of tranny fluid and a 30 min idle and then rotella 15w40.
    lifters aren't the only thing full of shit......
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  15. #75
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    Re: Problems with V 8-6-4 ????

    Quote Originally Posted by caddeville
    My dads caddy doesn't sag actually because i put spacers in the springs in the back. You can definatly feel the torque on my dads caddy.
    Spacers for the springs?

    Are we trying to Budget Boost a Jeep Wrangler here? come on now....

    I'm almost positive that '89 Eighty Eight with the 3800 would beat the '87 deVille.
    gosh man... my Olds has it all over that thing....

    think about it.... lets break it into simple math...

    30hp more
    +
    20ft-lbs torque more
    -
    2 cylinders (just for S&G )
    -
    300lbs
    +
    better gearing
    =
    whole lot faster.

    My completly stock '89 Olds Eighty Eight with 131k miles ran a 16.9 @79mph... nothing speical, I drove it to the track because I was bored on a Wednesday night and raced it. I only got 2 runs in too, that was the best, so I am sure I could have launched it better and get a better time. But the 16.9 is what is printed on the little piece of paper that I actually have. Until you have one of those little pieces of paper, please do not say how "fast" your car is.
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