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Author Topic:   16 in rear spring verses a 11in in the metric set up
maxwell
Dirt Full Roller

Total posts: 46
posted May 07, 2004 09:50 AM  
Wondering how much dirrence does this make having a taller spring in the rear of a stock Metric frame race car. Should i go with a 16in spring or a 11 in spring

iowa_dirt_track_girl
Dirt Freak

Total posts: 461
posted May 07, 2004 10:13 AM  
I wouldnt go with 16 inch springs i would go with 13 inch spring in the rear you get way more forward bite with the taller springs

Plus you take a chance on coil binding the smaller springs

What kind of car is it hobby stock stock car what??

stockcar5
Dirt Forum Champ
Total posts: 578
posted May 07, 2004 11:13 AM  
i went from the 13s tp the 16s this year and i love it. i think you'll need weight jacks to make it work though.
luke

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maxwell
Dirt Full Roller

Total posts: 46
posted May 07, 2004 01:00 PM  
iowa dirt,i run a sreetstock type car. Stock car 5 why do you need weight jacks Thanks you all i willl go to the 16in sooner or later them 11in spring arre working pretty good i just looking for better thanks feel free for other suggestions

waltonjr1
Dirt Forum Champ
Total posts: 516
posted May 07, 2004 01:12 PM  

 
This pic is with 13" rear springs. The 11" springs were binding but I do have 300# of weight in the rear. Car sets perfect now with the 13's. This is with stock spring perches, no jacks on the rear.


alias
Dirt Full Roller

Total posts: 43
posted May 07, 2004 01:38 PM  
Maxwell and myself are playing with a
different animal. Our cars are limited
modifieds. We only weigh 2350 pounds and
we can cut the rear spring perch out and
run the 13, 15, or 16 inch springs up thru
the frame. We can build our adjustable shim
(cheapee weight jacks) as high up above the
frame as we want to help set the ride heights. If i knew how to post a picture I
would. I will try to figure it out tonight.
THe taller springs seem to help with forward
bite. Also, I am able to run softer springs
without worrying about coil bind. 16 inch
springs in a street stock with all stock
mounting locations would make the ride heights in the rear pretty tall. Dirtworks
just started building these cars, they are
called SIMS limited mods. Go to dirtworksracecars.com and you can see how they do it. We do have to use the stock metric trailing arms and mounts on the frames
and on the 7.5 inch rearend. How was that
for confusing. Good luck to everyone this
weekend. I always enjoy messin' with ya maxwell, see ya at the race track tomorrow night.

stockcar5
Dirt Forum Champ
Total posts: 578
posted May 07, 2004 02:50 PM  
i would think the ride height would be way to high in ther ear with stock spring mounts? maybe i am wrong though.

luke

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iowa_dirt_track_girl
Dirt Freak

Total posts: 461
posted May 07, 2004 06:54 PM  
with the 13 inch spring in the rear you car should set more even in the rear.

What are your frame heights at now in the rear and front.even with going to a 11 inch springs you should only gain about 1/2 to 1 inch frame height
Plus you forward bite will be much more.
you will have more of a tendance to coil bind the 11 inch springs especially if your car is much over 3,000 lbs if you car works good now with lets say a 175 lbs spring you can go to a 150 lbs 13 inch spring and get more travel
Hope that helps you

    

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