500 Powered Fleetwood VS. HT-4100 Powered Fleetwood
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500, 472, 425, 368 Discussion, 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood in Cadillac Engine Technical Discussion; So I have a 500 C.I. 1980 Fleetwood 2 door. Completely stock 1975 engine with a warmed over exhaust system. ...
  1. #1
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    So I have a 500 C.I. 1980 Fleetwood 2 door. Completely stock 1975 engine with a warmed over exhaust system. Turbo 400 / 2.41:1 open gearset.

    That engine displaces twice as much as an HT-4100 with same body.

    So let's say I hook up to a trailer weighing about as much as the 4.1 car.

    We line up and race down the quarter mile at a drag strip.

    Who will win?

    Of course this assumes the 4100 makes it the whole 1/4 mile.

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  3. #2
    drmenard is offline Cadillac Owners Enthusiast
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    I'm betting the 500 will win and it won't even be close..

  4. #3
    BRUCE ROE is offline Cadillac Owners Fanatic
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    Your problem is, you can only power 1/4th of the wheels, so the 500 could lose it on wheel spin. The 4100 will power half the wheels, no spinning there. Bruce Roe

  5. #4
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    Wheelspin would be mitigated by trailer tongue weight which isn't really fair : ) This car currently has very poor traction compared to one with a posi.

    HT-4100 would be same type car same open rear axle. RWD all the way.

  6. #5
    jayoldschool's Avatar
    jayoldschool is offline GM RWD V8 addict
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    3.42s on the 4100 will get it out of the hole faster. How long it stays out front... my bet... not long.

  7. #6
    70eldo's Avatar
    70eldo is offline Cadillac Owners Connoisseur
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    Quote Originally Posted by The Ape Man View Post
    So I have a 500 C.I. 1980 Fleetwood 2 door. Completely stock 1975 engine with a warmed over exhaust system. Turbo 400 / 2.41:1 open gearset.

    That engine displaces twice as much as an HT-4100 with same body.

    So let's say I hook up to a trailer weighing about as much as the 4.1 car.

    We line up and race down the quarter mile at a drag strip.

    Who will win?

    Of course this assumes the 4100 makes it the whole 1/4 mile.
    Are you caught up in a bet?

  8. #7
    The Ape Man's Avatar
    The Ape Man is offline Cadillac Owners Connoisseur
    Automobile(s): '80 Fleetwood Coupe, 1994 and 1995 Mercedes 140 Coupe
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    Re: 500 Powered Fleetwood VS. HT-4100 Powered Fleetwood

    Quote Originally Posted by 70eldo View Post
    Are you caught up in a bet?
    Yes but it involves ping pong. No bets on drag racing yet.

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