Z28 Camaro on the dyno

Discussion in 'The Bench' started by matt68gs400, May 21, 2016.

  1. matt68gs400

    matt68gs400 Well-Known Member

    Just watched this today at Muscle Car Restorations near Eau Claire, WI.

    https://vimeo.com/167564822


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  2. Smokey15

    Smokey15 So old that I use AARP bolts.

    DZ302 ? Any numbers? Curious because my 302 has been "freshened up" and I'm like to know what that one put down.
     
  3. Briz

    Briz Founders Club Member

    I was waiting for the dreaded catastrophic failure.
     
  4. SteeveeDee

    SteeveeDee Orange Acres

    SBCs are REALLY hard to break, in my experience. Though I wonder what that smoke under the hood was, in the last couple of seconds.
     
  5. moleary

    moleary GOD Bless America

    puff of smoke could be clutch, chasis dyno are hard on clucthes....
     
  6. buickx

    buickx Well-Known Member

    I had a 69 z28 in 1970, and brought my new born son home in it from the hospital....
     

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  7. bhambulldog

    bhambulldog 1955 76-RoadmasterRiviera

    My Dad bought new a 1969 Chevy Kingswood wagon , with 350 small block.
    The crankshaft sheared in two at six months old at 70 mph on the highway.


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  8. CJay

    CJay Supercar owner Staff Member

    That's an awesome pic Owen. look at the price on the pump! 37 cents!!
     
  9. SteeveeDee

    SteeveeDee Orange Acres

    I had a '69 RS with a 327 and a 4 speed. I used to race the snot out of that thing, winding it into oblivion on both mountain roads and the drag strip. That engine was still in it when I sold it, with 90+k miles. It is one of 3 cars that I had that made an honest 140 MPH (this one on the way to Las Vegas from Los Angeles) in 1973. Another was a '66 Le Mans with a Ram Air III that wasn't properly prepped by the former owner, and didn't survive that RPM level, spinning a bunch of rod bearings, out in the Nevada desert about 20 miles from a burg called Goldfield. The last was a '65 Malibu that I built, 327 with a 350 trans. Good times!
     
  10. SteeveeDee

    SteeveeDee Orange Acres

    Bet he was glad it had a 50k mile warranty! How long did the service replacement last?
     
  11. matt68gs400

    matt68gs400 Well-Known Member

    No idea, what the numbers were for it. I didn't stick around to ask questions as the kids were tired and cranky.
     
  12. bhambulldog

    bhambulldog 1955 76-RoadmasterRiviera

    Yep, it was fixed under warranty .
    My Mom drove it for three years,
    After those three years (1972) , it went to one of my Dad's land survey crews for five more years,
    Then in '77 when my brother and I got our driver's licenses , Dad gave it to my brother and I got a '66 Biscayne 6cyl , that had also been a survey crew car.
    Both those Chevys had well over 200,000 miles on them.
    They were still running strong when we sold them.
     
  13. redsixty9

    redsixty9 Platinum Level Contributor

    I wouldn't want my car dyno'd there. Very strange way to get numbers by going through the gears like that. They must do transmission work on the premises. There's no slip on the dyno and will burn up clutches quick. You want to dyno your car at a 1:1 trans. gear ratio to get the good consistent numbers on a chassis dyno. Usually third gear on automatics and fourth on manual transmissions.
     
  14. matt68gs400

    matt68gs400 Well-Known Member

    They were just showing off for an open house. The purpose wasn't to get extremely accurate numbers.
     
    Last edited: May 22, 2016
  15. No Lift

    No Lift Platinum Level Contributor

    X2 My dyno operator wants me to disconnect my downshift cable(T350) before I run it so it won't downshift into 3rd when he gets on it. In every gear there were probably different numbers popping up and I can't even imagine what kind of spikes they were getting between the gears. Even in 4th gear the numbers would have been almost useless because it would not have gotten a smooth acceleration curve.
     

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