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Old 09-17-2005, 01:58 PM
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no traction

hi
yesterday i went to the track,with my 78 camaro
to test my rebuild rear axle posi 3.42 with traction bars

the car has a modified 305ci the trans is a
th350 stock
tire size i used was 235 60 15 street tires(low pressure in tires)
there was no traction compound used on the track.
and we only can run dot tires.(regulations)

in 1 and 2 there was no traction i drove the 1/4 mile
in 15.4 at 150km
my question is would bigger mickey tompson et street tires help me to get
traction or hoosier quick time dot tires.

and how about summit drag chocks in front and rear

thanks

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Old 09-18-2005, 01:54 AM
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I don't use cheater slicks. So, I can't comment in that area.

I do know that drag shocks only work if you hook and your not. The other thing I wonder about, is about letting the air out of the tires. Driving on flat tires will slow you down. I am no expert on flat tires. Personaly, I avoid driving on them. But I can't see how they will help you get traction. Its all about the rubber compound.
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Old 09-18-2005, 12:35 PM
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thanks for reply bracketeer

do u mean hook up that the rear axle gets pushed down
when accelerating.
can u tel me more about a hook up axle and how you build it
on leaf springs.

i thought with drag shocks you would let the car come up on the front
and down on the back so the weight would get more to the back.
I thought letting air out of my tires would give me
a Little more surface on the tire because the were not wide (235)
they were not flat we kept them on the save side of driving it
and did not use the sniper kit(150hp)
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Old 09-18-2005, 01:21 PM
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no spin

Hey. Start by useing 90/10 shocks in the front.
Put a snubber on the nose of your rear end diff. high enough to keep the geomotry level. GO to the widest legal tires.
Take an old leaf spring and put it on top of the existing one upside down.
I am an old illegal street racer and these tricks work. Let your front end come up on the frame and do its work presureing the chassie to squat on the rear axel while the snubber hold the diff in place. This prduces a major amount of torqe to the ground. Cheaply. LOU
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Old 09-18-2005, 03:41 PM
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thans Lou
i see what u meen
i will also remove the steel inner bumper on the front
to make it lighter and the inside fenders and the
battery to the trunk.
are there more cheap mods
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Old 09-19-2005, 07:01 AM
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Yes Yes

Hey
Leave your innner fender well in they work for air stability.
If you look at supper stock cars from the seventy's you will see that the head lights are gone or there is a scoop under the front bumper or somewhere in the front hidden.
It is the first designs for air indction. Take your air filter and open the horn as wide as you can. Take out any baffels in it. Go to the hardwhare store and buy a lingth of siver colared flex duckting and a roll of duck tape.
The tubing is eight feet long when strectched. Attach it to your air horn and route the tubeing as smothly as you can out to the front. It adds at bunch of top end after fifty mph.
I use it on my motor home and it increased my gas milage by 2mph. And it reduced my RPM's at seventy to 2800. It does work guarentyed.
The cost is about fifteen dollars.
Don't let the air out your tires very much, its the compound. You don't want a tire running off the rim. Remove your air filter only when raceing
Lou
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Old 09-19-2005, 12:29 PM
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YES,
both are very good tires, don't know if you want to go taller though with 3.42 gears, you want your rpms high when you cross the stripe. I would suggest comp engineering adjustable shocks, they work very well for me. 90/10 on the front and 30/70 on the rear. also adjust your traction bars to see how they work best. you want the springs to flex some. you want all the weight transfer you can get on your launch. both tires you mentioned have soft compounds and hook the track well with 10 to 12 psi. 40 to 45 psi in the front tires helps also. you need to really focus on you 60 foot times, this tells you how good you are hooking the track.
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Old 09-19-2005, 02:47 PM
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thanks lou
i all ready have a ram air system
1978 hood scoop opened it up and made the shape off
a edelbrock pro flow foam filter in the hood and boxed it with rubber
so there is almost no heat going in the filter when standing still.

what i meant with cheap mods were for traction or chassis
because i am planning to build my new engine finally got all the
parts together 383ci flowed edelbrock heads comp ex284h cam bla bla bla ...so its going to be powerful
then i really have a traction problem

thanks tattoo
don't want to go taller with the tires because of the 3.42 gears
i put around 3bar in the front tires also 235 60 15 size
but i am planning to put small wheels and tires in the front

thanks for reply guys
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