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 Post subject: Traction bar ??
PostPosted: Sun Jan 19, 2025 12:39 pm 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8769
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Just a general question on traction bars. My race car ran a best of 12.70/104.7 with just clamped leak springs on the car. I am running M/T street R tires so they hold pretty well. Almost like a slick I suppose. Does anyone have any idea if a set of traction bars would be of any value on a car like mine? I have a set in the garage I could try but thought I'd ask here 1st. Best 60' times are 1.67.

PS. Since Slantzilla claims he ran a 12.70 ET I need to go at least a 12.69. :mrgreen:

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2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!
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12.70 @ 104.6
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 Post subject: Re: Traction bar ??
PostPosted: Sun Jan 19, 2025 1:19 pm 
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Turbo EFI
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Joined: Mon Jan 12, 2015 5:55 am
Posts: 1421
Location: Brightwood, VA
Car Model: 1965 Plymouth Belvedere I
If you hook now without spinning, I wouldn't think you could benefit by adding traction bars.

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 Post subject: Re: Traction bar ??
PostPosted: Sun Jan 19, 2025 1:41 pm 
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Supercharged
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Joined: Sat Nov 27, 2004 8:03 pm
Posts: 9572
Location: IRWIN PA
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Cant hurt to try them. If they are awful, take them off. You are close enough to 2 tracks for testing purposes.

I Think technology has surpassed those, as you see so many HP and V8 / Boost / Nitrous Guys running Calvert's stuff.

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 Post subject: Re: Traction bar ??
PostPosted: Sun Jan 19, 2025 3:06 pm 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8769
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Not usually having traction problems unless it is a no prep track! :D The traction bars are here and free. $400+ Caltracs I will probably consider once the 4 speed is in the car depending on how hard the hit is with my lawn mower cammed engine. :mrgreen:

_________________
2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!
Image
12.70 @ 104.6
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 Post subject: Re: Traction bar ??
PostPosted: Sun Jan 19, 2025 8:42 pm 
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Board Sponsor & Moderator
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Joined: Thu Oct 17, 2002 7:27 pm
Posts: 14554
Location: Park Forest, Illinoisy
Car Model: 68 Valiant
I used to run clamp on slapper bars on my 66. I made shims so the rubber bumpers were just touching the cront zpring eye with me sitting in the car.

When I was spraying it I had a 8.0X26X15 ET Street on it.

Did they work?

I ran Mike when he had the Valiant running 11:70s. I 60d within .02 of him.

If your front half is clamped solid, you are already accomplishing what a traction bar does.

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 Post subject: Re: Traction bar ??
PostPosted: Mon Jan 20, 2025 3:42 am 
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SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 8756
Location: Silver Springs, Fl.
Car Model:
My 66 Barracuda would 60 foot 1.76 with stock 5 leaf rear springs with the front segment clamped and the rear segment unclamped. Was on 8 x 23 x13 slicks, and 3.91 rear

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225


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 Post subject: Re: Traction bar ??
PostPosted: Mon Jan 20, 2025 4:13 am 
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Board Sponsor & SL6 Racer

Joined: Wed Oct 23, 2002 7:57 pm
Posts: 8769
Location: Waynesboro, Pa.
Car Model: 65 Valiant 2Dr Post
Yeah my best is a 1.67, usually 1.70-1.74. So not hateful for 2800# I guess. I have stock springs and I added an additional second spring to stiffen up the front section when I put in the poly front eye and hanger bushings. Thanks guys.

_________________
2 Mopars come with Spark plug tubes. One is a world class, racing machine. The other is a 426 CI. boat anchor!
Image
12.70 @ 104.6
Image


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 Post subject: Re: Traction bar ??
PostPosted: Mon Jan 20, 2025 4:37 am 
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SL6 Racer & Moderator
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Joined: Sat Oct 19, 2002 12:06 pm
Posts: 8756
Location: Silver Springs, Fl.
Car Model:
My Cuda weighted 3250, with a 170 engine, but remember I was making a "ton" of bottom end torque. I left on the bottle. The one time it was on the dyno (at Pittsburg) it was making 358 ft/lbs at 2800 rpm on a 150 shot. I estimate something around 400 ft/lbs with the 225 shot, that I got up to.

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Charrlie_S
65 Valiant 100 2dr post 170 turbo
66 Valiant Signet 170 nitrous
64 Valiant Signet
64 Valiant 4dr 170
64 Valiant 4dr 225


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