Is the 4.9 Under Rated? - Page 2
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HT4100 4.1, 4.5, 4.9 Discussion, Is the 4.9 Under Rated? in Cadillac Engine Technical Discussion; ok, so to compare what a "200hp" engine "feels like" we need a baseline. So our baseline will be a ...
  1. #16
    Night Wolf's Avatar
    Night Wolf is offline Cadillac Owners 10000+ Posts
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    Re: Is the 4.9 Under Rated?

    ok, so to compare what a "200hp" engine "feels like" we need a baseline.

    So our baseline will be a current generation Impala LS with the Series II 3800 V6 producing 200hp and 240ft-lbs tq.? ok....

    So what times do one of those Impala's run?

    I know a stock 2001 Grand Prix GT runs a 16.4 or so... that is similar to the Impala, though a little more heavy.

    And, while my 15.9@85mph is true, that is honestly the fastest I ever seen a stock 4.9 Caddy do the 1/4 in, the rest seem to be around 16.3 or so... so do we use my speed, or the average?

    So lets say the Impala is the baseline 200hp, so the Caddy 4.9 "feels" more then 200hp.... what car "feels" less then 200hp and what are more examples that feel more etc...?

    I can't speak for anyone else, but I can't get in a car and say "this car feels like it has XXX horsepower" it is just a stupid statement, you can get in a 4cylinder Jeep Wrangler, put it in 4WD Low, floor it, and I bet it'll pull harder then a Northstar Caddy would, from a stop... until 30mph.... so what I am getting at is, so many factors come into play... my '79 DeVille is 180hp... I don't know how much it "feels" though, I know that if I was to get a 180hp Honda 4banger and put it in the Caddy, it would never move with that weight and the gearing...

    ah well....

  2. #17
    Ralph's Avatar
    Ralph is offline Cadillac Owners 10000+ Posts
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    Re: Is the 4.9 Under Rated?

    I also think the late 1980's Firebirds were rated at 200 hp (1988?) with the 305 cu. in. (one year I thought they were)

    But like you said, too many factors..

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