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Spring options with Hal QA1 - R's

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Old Sep 22, 2005 | 11:05 AM
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Default Spring options with Hal QA1 - R's

I have an Iron 408 and think the Hal springs are too soft. I have BMR lowering spring on it now and was thinking about using them with modified perches on a set of QA1 R's. How do you feel this would work. I street drive the car as well as race it. Any input would be appreciated.
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Old Sep 22, 2005 | 12:52 PM
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When I had my old 422ci iron block and Hal front springs and shocks, the car was too low. And the airdam would scrape a lot.

You can run lowering springs just make sure the car is not too low in front. If it is put stock springs back in the front.
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Old Sep 22, 2005 | 02:20 PM
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Originally Posted by Pro Stock John
When I had my old 422ci iron block and Hal front springs and shocks, the car was too low. And the airdam would scrape a lot.

You can run lowering springs just make sure the car is not too low in front. If it is put stock springs back in the front.
That is probably my best to put stockers back in.
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Old Sep 22, 2005 | 02:28 PM
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did you get that thing into the 10's yet???
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Old Sep 22, 2005 | 08:24 PM
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It ran 11.17@123 in street trim with th efull interior and with 17's on it and then the rear end let go. That was with a 3000' DA. I am putting a 12 bolt in tomorrow and should have new times next week and hopefully it will be a little cooler.
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Old Sep 26, 2005 | 12:06 PM
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Qa1 also makes 300 and 325 lb springs if the 275's are to soft.
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Old Sep 26, 2005 | 01:35 PM
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My stock springs were 294lbs. I went with the 325 springs since I added 85lbs of turbo weight.
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Old Sep 26, 2005 | 01:39 PM
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Originally Posted by 2001 Pewter WS6
It ran 11.17@123 in street trim with th efull interior and with 17's on it and then the rear end let go. That was with a 3000' DA. I am putting a 12 bolt in tomorrow and should have new times next week and hopefully it will be a little cooler.
and you're going w/ 4.10 gears... oh baby this thing's gonna fly. let us know how you do!
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Old Sep 27, 2005 | 11:39 AM
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Originally Posted by onfire
My stock springs were 294lbs. I went with the 325 springs since I added 85lbs of turbo weight.
I probably added around the same weight with my iron block. I will look into those.
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Old Sep 27, 2005 | 11:41 AM
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Originally Posted by imslow
and you're going w/ 4.10 gears... oh baby this thing's gonna fly. let us know how you do!
Well the rear is in and the slicks are on. I am just hoping the weather holds. It is supposed to be 65* for a high and an over night low of 40* so it should be pretty nice at night as long as it doesn't rain. Our track is 1250' so that doesn't help the 'DA.
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