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Thread: 68 chevelle hooking issues

  1. #1

    68 chevelle hooking issues

    CAR- 68 chevelle BBC stock type suspension all steel except hood and weighing in at 3150 w/driver.
    currently using 30x9 hoosier bias on 10" wide rims
    anti-roll bar
    (old) competition engineering 3 way shocks all the way around.
    front end travel all out.
    car 60 foots 1.40 to 1.50 depending on hook and weather.

    the car seems to be spinning the tires right on the launch.

    I leave at 4000 on the brake the motor seems not to like anything smaller.

    As ive noticed in the last two outings the car is consistantly spinning about .04 off the 60 foots.
    The reason i know is come sometimes it wants to plant the tires and haul the mail. I can usually feel it when it does it cause it carries the front wheels about 15 foot out.
    I've been lucky and gone a few rounds thanks to r/t's and just the feeling on the bottom of my pants.

    This is a fairly new combo for this car as it use to have a SBC.

    There are a couple things i know that need to be done. Had the a-arm bushing replaced and they have not been de-burred. Also someone also mentioned putting new front springs in possibly going with moroso trick fronts. But i love the way the car sets but i guess that doesnt win you races. Could i still get the same ride hieght with a differnt (heavier spring.)
    Could also put another battery in the back for weight transfer help.


    Anyone know of weight savings and benefits of going to a new tubular style a arms with coil-over combo??

    i have farted around with tire pressure going from 14 all the way to 9 (heavy cars dont like 9 p.s.i. by the way

    tryed doin diferent style of burnouts....

    all this with the same outcome.

    I know the is something that needs changing on the front just would like yall opinion on this before i go spending hard earned money.


    Thanks,
    Mike

  2. #2
    Member JOURNEYMAN
    Join Date
    Nov 2005
    Location
    Baltimore
    Posts
    30

    68 chevelle

    Do you have adjustable control arms in the rear. Now is that tire a foot print size or size on the side wall of the tire. I can fit a 12.5 x 30 on a 10" rim on my 72 Chevelle. Is the pinion angle set , might change to coil overs in the rear.

  3. #3
    Junior Member APPRENTICE
    Join Date
    Mar 2003
    Location
    Shiocton, WI
    Posts
    12
    How does the car sit?
    How much distance between the lower control arm bumpstop and the frame?

    You need to get those front control arms to be free.......Stock rubber bushings will get by but you need to grease them up and grind off the serrations.

    How old are the tires?
    You might even try more than 14psi.
    Are they stiff sidewall slicks?

    Have you ever just tried footbraking it?

    More info would help......engine, trans, converter, gear, etc. etc.

    Brian
    66 Chevelle SS
    496, Pump gas, no dominator, no spool, no electric fuel pump, no electric water pump, no big tires, full interior...............Just a street car.
    10.02 @ 134

    http://i90.photobucket.com/albums/k2...e66ss/crop.jpg

  4. #4

    Launching your Chevelle

    Remove your front sway bar. This will allow the front end to come up quickly. You need more front end travel to plant the rear tires down. Also, invest in the drag shocks. You will be good to go with drag shocks and the removal of the sway bar.

  5. #5
    Senior Member EXPERT BUILDER
    Join Date
    Jan 2007
    Location
    atwood,Ky
    Posts
    302
    you need aftermarket rear bar if you don't have them ,the old ones will twist and bend even if you plate them,front sway bar needs to go ,if you are running rear coil springs they need to be trick springs with air bag on right side,get new shocks( i used koni on mine).my small hoosiers less burnout the better (just a haze of smoke).if all else fails backhalf it :wink: .good luck


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