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Help with 1966 Lemans spring swap . Picking springs?
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/24/09
08:34 AM
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Hello . I had my 1966 Lemans sport coupe with a 326 for 20 yrs.I am dissabled and have been rebuilding it for the last 5 yrs. I have lightened it up a bit removed AC, heater box and lightened the engine and suspension a bit.I maybe took off 200-300 lbs. Since the car is in still pieces I cannot weigh it to select the correct springs .I have CPP tubular A-arms .I am going to buy QA1 coilovers but what size? I am thinking 350 lbs. or 450 lbs. springs . Does anyone know the original front end weight of a 66 Lemans or GTO. or has anyone swapped springs , if so what size? This is a street machine. Thanks from Canada
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Posted: 03/24/09
03:14 PM
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Try contacting Eaton Detroit Springs, they can help you select the right springs for your ride. They should be able to work from the original specs and choose a spring rate that will give you the ride height, ride quality and handling that you want. That's all they do so they are the experts.
Steve
PS: Where in Canada? I'm about an hour south of Ottawa. Several other guys are within an hour's drive of me.
A little help... 'cause we don't all have to learn the hard way!
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/24/09
03:47 PM
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Thanks Steve I'll try them tomorrow . Hope they can help.
I'm just outside Oshawa. A few nice Pontiacs around here.Mostly Chevy's though. Parts are tough to get around here for a 66 Pontiac and good advice even harder !
Cheers , Kevin
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/24/09
07:35 PM
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I would still like to hear if anyone has done this and what they used ?And how it handles?
Thanks , Kevin
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/25/09
10:38 AM
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Detroit springs replied and said the stock vehicle's weight is 3,090 and I might need 250 lbs. springs . 3090 sounds a little light to me ,but I'm not sure. But it also depends on my front/back balance or front end weight and they do not know. So If anyone has knowledge of this or the total front end weight of a 66 Lemans or GTO I would greatly appriciate it.
QA1 250 lbs. springs - front end weight 1500-1700 lbs.
QA1 350 lbs. springs - front end weight 1700-1900 lbs.
Thanks again , Kevin
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/26/09
06:39 AM
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The Ultimate GTO site lists a 66 GTO coupe at 3,445 lbs. , I saw another listed at 3,259 lbs and Detroit spring says 3,090 lbs . Thats a big difference . Who is right?
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/28/09
05:00 PM
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I'm thinking I need "race weight" which could be 3500-3900 . I'm still trying to figure this out !!! I'll probably go with 350 lbs.
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/31/09
12:20 PM
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Now the guys at Spohn suspension say I need 450 lbs. springs . I'll keep trying to figure this out!
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ponch326
New User
| Posts: 8
| Joined: 03/09
Posted: 03/31/09
04:49 PM
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Bought the 350 lbs. I'll let you know how it turns out one day .
Can't wait to try them out , but still got alot of work ahead.
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