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suspension and times

 
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jhyjohnson
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Joined: 30 Oct 2005
Posts: 129

4780.54 points


1973 Buick Apollo

PostPosted: Mon Nov 07, 2005 6:55 pm    Post subject: suspension and times Reply with quote

got this buik with a 355 chevy double hump heads 2.02/1.60 valves, 292 cam 9:1 comp with a 650 edelbrock thunder avs carb and torkerII single plane intake. 350 turbo tranny. was runnin 9.26 in 1/8 with a 3:08 gear ane street tires 60ft times 2.12. changed to a 5:13 gear and mickey thompson et drag radials 275/50/15. got time down to 9.04 and 60ft of 1.94. body is hittin tires on take off and gear changes. gettin springs re arched but feel like i should be gettin quicker times
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87calais
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Joined: 19 Apr 2003
Posts: 206

5692.14 points



PostPosted: Wed Nov 09, 2005 11:59 am    Post subject: Reply with quote

What Kinda of Buick? Some of those cars are pretty big.....
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jhyjohnson
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Joined: 30 Oct 2005
Posts: 129

4780.54 points


1973 Buick Apollo

PostPosted: Wed Nov 09, 2005 7:31 pm    Post subject: Reply with quote

buick apollo same as a nova
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85GMCstreetbeast
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Joined: 01 Aug 2005
Posts: 315
Location: Fayetteville, Georgia
9229.74 points


1985 Chevrolet GMC

PostPosted: Thu Nov 10, 2005 1:43 am    Post subject: Reply with quote

So your running around mid-hi 70mph trap speeds. Try using air suspension shocks so that you dont bottom out.
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2x4
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Joined: 25 May 2003
Posts: 303

2189.72 points



PostPosted: Thu Nov 10, 2005 1:32 pm    Post subject: Reply with quote

Wow, I'm surprised those meats fit in those wheelwells!
I wouldnt even mess with the stock springs, try stepping up to a Landrum/Calvert spring, or at least a new replacement style. What shocks are you running? That could also be a problem, but the springs are wasted that are in there now.

The 60' is still bad, I really doubt the suspension is doing its job. Maybe time for a rebuild back there? Are you running any traction devices (slapper bars)? How about subframe connectors?

Another thought is to roll the lips of the quarter panels in, but youve probably done that already.

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jhyjohnson
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Joined: 30 Oct 2005
Posts: 129

4780.54 points


1973 Buick Apollo

PostPosted: Thu Nov 10, 2005 7:00 pm    Post subject: Reply with quote

runnin shackles and air shocks. rear springs have had it. need sum traction bars got a bad wheel hop with the air shocks. guess its time to tear down the car for the winter and build everything right.
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zziggy
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Joined: 14 Oct 2005
Posts: 1

135.44 points



PostPosted: Tue Nov 29, 2005 5:31 pm    Post subject: Reply with quote

Your cam is too big for that low of compession. Try to go 11:1 at least
The intake isn't up to snuff for that cam either.
A VIC JR or RPM intake would be a BIG help
A Real 10" TCI super streetfighter converter would do wonders too.
Front suspension work, Lighter front springs, 90/10 shocks, A-arm bushings serrated teeth removed, no sway bar
subframe connectors, 6-point roll bar
slapper bars, 50/50 rear shocks

That cam in a 350 should be running 11's in the 1/4,, 7.50's in the 1/8th with about a 1.6 60'
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af2
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Joined: 01 Sep 2003
Posts: 5578
Location: grassvalley, ca
71842.50 points


1933 Willys Coupe

PostPosted: Thu Dec 01, 2005 6:28 pm    Post subject: Reply with quote

Converter is the key here. I would have a 3000 stall and hold on. You don't have enough torque to kill a Vega converter and that is what I used to run with no problems. Get one for the turbo trans and it will go in perfect. Make sure you have the smaller bolt pattern on you're flywheel so it will bolt up. Good luck!@
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af2
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Joined: 01 Sep 2003
Posts: 5578
Location: grassvalley, ca
71842.50 points


1933 Willys Coupe

PostPosted: Thu Dec 01, 2005 6:51 pm    Post subject: Reply with quote

I left out a couple of things. A cheap set of slapper bars are a must to keep the axle from wrapping. You must have preload on them to work right. That means when you set them up put a bottle jack between the body and pinion area and jack it up about 3-4" then install the bars with the snubber touching the spring. Take the jack out and you have preload. That will stop the squating also without re inventing the wheel. I am assuming you are running a mono leaf spring. That is why you are getting wheel hopp. I always ran a leaf pac. It helped the strain on the bars. It is harder to bend 4 leafs than 1. You should be running 1.6s 60 foot with this set up and will amaze you at the trap time. I have run 8.0s with close to the same set up. I always run solid cams. I feel they are much more crisp.
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