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  #1  
Old Jan 7th, 14, 5:24 PM
webfoot webfoot is offline
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Jeremy
 
Join Date: Jul 2000
Location: Hermiston, OR
Posts: 6,162
Default Best suspension parts for street/strip car

I am doing some engine/converter upgrades and also hoping to make it to the track much more than I have. (total of 0 times the last 2 years!) Here is a list of what I have:

Front: QA1 single adjustable coilovers, with the BBC springs - not sure if these are rated at 450 or 550 lbs. (I am sure back then I was convinced I needed the stiffest spring available.) 1 1/8" front sway bar, battery is in stock location.

Rear - Bilstein shocks, BMR 2" lowering springs, UMI tubular lowers, uppers will soon be Spohn adjustable uppers, currently using OEM units. Also running rear stock sway bar.

I have a bench seat and the roads are straight around here, so I am not too concerned about giving up some street handling characteristics for better 60' times.

I did just read the "Tips to Make your car perform better!" thread, and that is what got me thinking about a thread like this.
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Jeremy


70 Chevelle
383, AFR heads, voodoo hyd roller.
Best time 8.09 @ 88.49 MPH (1/8 mi.)

68 GTO 'vert factory 4-sp, rally gauges, hidden headlights

Last edited by webfoot; Jan 7th, 14 at 5:44 PM.
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  #2  
Old Jan 7th, 14, 8:08 PM
Aaron Aaron is offline
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Join Date: Oct 1998
Location: Florida
Posts: 6,274
Default Re: Best suspension parts for street/strip car

Jeremy

As far as a converter. You need to get a chassis dyno and find where you power is and get with a converter company. Let them know your tires and gears too.

Suspension wise. For the strip, get rid of the front sway bar. Im not familiar with your front shocks, but you need to have 6" of front end travel. Stock springs may can work if you have 6" of travel. If not Stanhuff springs and Moroso springs would be better. There are some tricks you can do there. Check with crazydavey and Bob West post on double nutting.

The rear you need 3 degrees of pinion angle. Your springs are ok. Loose the sway bar and get a bolt in anti roll bar like the BMR. Get a matching set of shocks that go with the front ones. You can again check with crazydavey and Bob West.

Both of the these guys post and success are well known and documented here.
__________________
67 chevelle
3485 lbs without driver before cage
383 SBC / TH 350 with 3400 stall / 4:10 gears

Best time on motor: 11.811
Best mph: 116.44 mph
Currently undergoing a metal work to remove all rust.
Goal is to have a 10.99 or faster run
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  #3  
Old Jan 7th, 14, 8:42 PM
usnavyame70 usnavyame70 is offline
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matt
 
Join Date: Apr 2006
Location: oak harbor,washington
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Default Re: Best suspension parts for street/strip car

I have nothing high tech. I have UMI adjustable uppers and boxed lowers with Varishock single adjustable shocks. Original rear springs that came installed on the car and a HR parts bolt in roll bar. Rear gear is 4.11. For the front nothing fancy KYB shocks no front sway bar and everything else is original to the car from the factory. Car 60 foot was 1.53 with a 3500 stall and 700r4 trans. Have since changed the converter to a PTC 4200 stall and now have a TH400. No times with the new setup. Best 1/8th mile is 7.35 at 91mph
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1970 chevelle
383,11.1 compression
AFR 210 65cc
Comp cams 250/258 @050 .630 lift
solid roller EZX isky redzone lifters
Pro systems 950HP
700 r4
3000 stall
4.11 posi
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  #4  
Old Jan 8th, 14, 3:15 PM
webfoot webfoot is offline
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Jeremy
 
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Location: Hermiston, OR
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Default Re: Best suspension parts for street/strip car

So can I get the 2.5" ID Santhuff springs that will fit right over my existing QA1 coilover shock? (Doubt it since it would have to be tapered to meet the upper spring pocket correctly.) Or do I have to switch back to a full coil/shock setup.

Those anti roll bars look nice, but I was not prepared for the sticker price.
__________________
Jeremy


70 Chevelle
383, AFR heads, voodoo hyd roller.
Best time 8.09 @ 88.49 MPH (1/8 mi.)

68 GTO 'vert factory 4-sp, rally gauges, hidden headlights
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  #5  
Old Jan 8th, 14, 4:09 PM
Aaron Aaron is offline
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Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by usnavyame70 View Post
I have nothing high tech. I have UMI adjustable uppers and boxed lowers with Varishock single adjustable shocks. Original rear springs that came installed on the car and a HR parts bolt in roll bar. Rear gear is 4.11. For the front nothing fancy KYB shocks no front sway bar and everything else is original to the car from the factory. Car 60 foot was 1.53 with a 3500 stall and 700r4 trans. Have since changed the converter to a PTC 4200 stall and now have a TH400. No times with the new setup. Best 1/8th mile is 7.35 at 91mph
Matt

Thats a good 60 for a 3500 stall.

Does it flash higher?
__________________
67 chevelle
3485 lbs without driver before cage
383 SBC / TH 350 with 3400 stall / 4:10 gears

Best time on motor: 11.811
Best mph: 116.44 mph
Currently undergoing a metal work to remove all rust.
Goal is to have a 10.99 or faster run
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  #6  
Old Jan 8th, 14, 4:10 PM
Aaron Aaron is offline
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Join Date: Oct 1998
Location: Florida
Posts: 6,274
Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by webfoot View Post
So can I get the 2.5" ID Santhuff springs that will fit right over my existing QA1 coilover shock? (Doubt it since it would have to be tapered to meet the upper spring pocket correctly.) Or do I have to switch back to a full coil/shock setup.

Those anti roll bars look nice, but I was not prepared for the sticker price.
Not really sure. You may have to call them.
__________________
67 chevelle
3485 lbs without driver before cage
383 SBC / TH 350 with 3400 stall / 4:10 gears

Best time on motor: 11.811
Best mph: 116.44 mph
Currently undergoing a metal work to remove all rust.
Goal is to have a 10.99 or faster run
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  #7  
Old Jan 8th, 14, 6:50 PM
mr 4 speed mr 4 speed is offline
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Default Re: Best suspension parts for street/strip car

check out Dick Miller www.dickmillerracing.com
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  #8  
Old Jan 8th, 14, 7:38 PM
usnavyame70 usnavyame70 is offline
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matt
 
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Location: oak harbor,washington
Posts: 501
Default Re: Best suspension parts for street/strip car

Aaron,


The converter would flash right 4k. I think it 60 so well do to the high first gear in the 700r4. Heading to the track on the 19th to see what the new th400. with a 4500 PTC converter does and still need to try out the 200 shot.
__________________
1970 chevelle
383,11.1 compression
AFR 210 65cc
Comp cams 250/258 @050 .630 lift
solid roller EZX isky redzone lifters
Pro systems 950HP
700 r4
3000 stall
4.11 posi
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  #9  
Old Jan 8th, 14, 9:00 PM
Aaron Aaron is offline
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Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by usnavyame70 View Post
Aaron,


The converter would flash right 4k. I think it 60 so well do to the high first gear in the 700r4. Heading to the track on the 19th to see what the new th400. with a 4500 PTC converter does and still need to try out the 200 shot.
Very respectful times then!

Let us know how it does with the 4500 and 200 shot.
__________________
67 chevelle
3485 lbs without driver before cage
383 SBC / TH 350 with 3400 stall / 4:10 gears

Best time on motor: 11.811
Best mph: 116.44 mph
Currently undergoing a metal work to remove all rust.
Goal is to have a 10.99 or faster run
Reply With Quote Quick reply to this message
  #10  
Old Jan 8th, 14, 9:35 PM
usnavyame70 usnavyame70 is offline
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matt
 
Join Date: Apr 2006
Location: oak harbor,washington
Posts: 501
Default Re: Best suspension parts for street/strip car

I will. With being in Florida maybe I can make the 1/8th mile list before the fast cars get a chance to run. hahah
__________________
1970 chevelle
383,11.1 compression
AFR 210 65cc
Comp cams 250/258 @050 .630 lift
solid roller EZX isky redzone lifters
Pro systems 950HP
700 r4
3000 stall
4.11 posi
Reply With Quote Quick reply to this message
  #11  
Old Jan 8th, 14, 9:41 PM
Aaron Aaron is offline
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Join Date: Oct 1998
Location: Florida
Posts: 6,274
Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by usnavyame70 View Post
I will. With being in Florida maybe I can make the 1/8th mile list before the fast cars get a chance to run. hahah
Are you in Florida now?

Not sure I understood your sentence.
__________________
67 chevelle
3485 lbs without driver before cage
383 SBC / TH 350 with 3400 stall / 4:10 gears

Best time on motor: 11.811
Best mph: 116.44 mph
Currently undergoing a metal work to remove all rust.
Goal is to have a 10.99 or faster run
Reply With Quote Quick reply to this message
  #12  
Old Jan 9th, 14, 10:37 AM
kettbo kettbo is offline
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George
 
Join Date: Mar 2006
Location: Lakewood, WA
Posts: 10,289
Default Re: Best suspension parts for street/strip car

AARON,
Matt was up here in Oak Harbor, WA. He is in Florida these days. Nobody is drag racing here in the Seattle-Tacoma area this time of year. We're rather dubious about TNTs scheduled at Pacific Raceways in FEB and MAR. Would love to actually have some early runs, weather is DOUBTFUL. Racing is even hit or miss in APR and MAY with showers or wet tracks that refuse to dry with 50-60 deg day high temps and overcast . JUN-SEP it is reliably pleasant
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o 70 Elky $2000 454; 10.5:1, 101cc ovals, 2.19/1.88, HR 237/245* .604/.600" 110 SR lifters, RPM with 850DP 3000 stall/3.42s 275/60s. 4000# territory 2.5" ext
1.631 11.727 113.37 91.47 midtrack 1.647 11.729 113.49 91.58 mph mid track
Bests 1.620 60 ft 91.60 best mph

now 3.90s and 295/65s for 2014

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  #13  
Old Jan 9th, 14, 4:36 PM
webfoot webfoot is offline
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Jeremy
 
Join Date: Jul 2000
Location: Hermiston, OR
Posts: 6,162
Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by Aaron View Post
Suspension wise. For the strip, get rid of the front sway bar. Im not familiar with your front shocks, but you need to have 6" of front end travel. Stock springs may can work if you have 6" of travel. If not Stanhuff springs and Moroso springs would be better. There are some tricks you can do there. Check with crazydavey and Bob West post on double nutting.
If I may hijack

Since the qa1 shocks are already adjustable, I was thinking of just going to a lighter spring, say a 250-350 lb rate. (Have seen some BB guys using the 350 lb ones, hence my whim to use a 250)

Not even $40 a piece.
http://www.summitracing.com/parts/hal-10-250/overview/
__________________
Jeremy


70 Chevelle
383, AFR heads, voodoo hyd roller.
Best time 8.09 @ 88.49 MPH (1/8 mi.)

68 GTO 'vert factory 4-sp, rally gauges, hidden headlights
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  #14  
Old Jan 9th, 14, 6:10 PM
dirtlips408 dirtlips408 is offline
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Ron
 
Join Date: Jul 2005
Location: stockton,ca
Posts: 2,675
Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by webfoot View Post
So can I get the 2.5" ID Santhuff springs that will fit right over my existing QA1 coilover shock? (Doubt it since it would have to be tapered to meet the upper spring pocket correctly.) Or do I have to switch back to a full coil/shock setup.

Those anti roll bars look nice, but I was not prepared for the sticker price.
Jeremy I just got a similar set up to yours. Its not installed yet tho. Ramey at UMI told me you can run the coilover shock as a regular shock with a standard type coil spring. Just have to remove the spinners and what not. He said the shock adjusters clear but it tight and kinda a pain to adjust thru the compressed coils.
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69 Camaro
491 BBC
TH400/GV
9" 3.50
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  #15  
Old Jan 9th, 14, 6:13 PM
webfoot webfoot is offline
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Jeremy
 
Join Date: Jul 2000
Location: Hermiston, OR
Posts: 6,162
Default Re: Best suspension parts for street/strip car

Quote:
Originally Posted by dirtlips408 View Post
Jeremy I just got a similar set up to yours. Its not installed yet tho. Ramey at UMI told me you can run the coilover shock as a regular shock with a standard type coil spring. Just have to remove the spinners and what not. He said the shock adjusters clear but it tight and kinda a pain to adjust thru the compressed coils.
Hmm, never really thought about that. Is there an issue with using the reduced height spring in these coilovers? I assume it has something to do with limited suspension travel introduced when using a 10" spring.

Either way it would not be much more money than just getting the different QA1 springs. I would simply miss having the adjustable height and hate installing another pair of coil springs.
__________________
Jeremy


70 Chevelle
383, AFR heads, voodoo hyd roller.
Best time 8.09 @ 88.49 MPH (1/8 mi.)

68 GTO 'vert factory 4-sp, rally gauges, hidden headlights
Reply With Quote Quick reply to this message
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