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Post by DerbyKing88s on May 29, 2018 0:18:00 GMT -5
I’m predicting mine goes at firewall but we’ll see, I was thinking cutting frame off in between the 2 sets of shock bracket holes? Thoughts on that? I’m allowed seem welding too seam only a arms forward then 16 inches total anywhere behind a arms, lower cradle with front plate and pp only, is where I want to hardnose too far?
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n8
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Post by n8 on Jul 26, 2018 8:31:40 GMT -5
1976 Cadillac Fleetwood. Rules state I must maintain factory shocks and mounting location for that vehicle. No protectors, no plates, no bracing. Its been my understanding that Cadillacs need a very strong front bumper and they tend to use them up quickly. That was in the days of light and medium weld cars. Given the above constraints, would you go with a straight but used 76 Chevy bumper, or a loaded Ford LTD bumper that would require a a few guys to carry due to weight from loading? I wish I had a few better options but work has been busy this year, and I have two weeks left to build the car.
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Post by STROMI 121 on Jul 26, 2018 8:51:18 GMT -5
Id use a flat bumper and replace the bolts holding the brackets to the frame with bigger bolts and as big of a plate or washer that rules allow. Then weld as much as the rules allow.
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Post by DerbyKing88s on Jul 26, 2018 8:52:39 GMT -5
Ford bumper I guess. A 74 or a monte bumper would be best imo but still. What can you do with your brackets
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n8
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Post by n8 on Jul 27, 2018 7:45:25 GMT -5
Weld 4 inches from back of bumper as much as I want, 4 one inch tack welds per bracket. Really not much opportunity to make sure bracket stays affixed to frame.
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Deleted
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Post by Deleted on Jul 27, 2018 7:59:08 GMT -5
Bolt what u can’t weld
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Post by STROMI 121 on Jul 27, 2018 8:32:55 GMT -5
Replace the bolts and add washers or plates inside the frame where the brackets mount. Just like most GM bolt on front brackets the carriage bolts will pull out through the holes in the frame.
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n8
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Post by n8 on Jul 27, 2018 13:46:32 GMT -5
Thanks guys.
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bigr
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Post by bigr on Aug 24, 2018 19:06:38 GMT -5
I’m allowed 3 4x6x1/4” plates per rail anywhere on the frame. Weld upper seam a-arms forward. Full protectors used and pressured in. Would it be a better idea to plate the upper and lower opening on the frame and one at the middle of the s curve or lay them one behind the other like a bumper strap and leave the frame holes open. I can also get creative with the A-arm straps. Pointy bumper hard nosed.
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Post by DerbyKing88s on Aug 24, 2018 21:16:00 GMT -5
I’m allowed 3 4x6x1/4” plates per rail anywhere on the frame. Weld upper seam a-arms forward. Full protectors used and pressured in. Would it be a better idea to plate the upper and lower opening on the frame and one at the middle of the s curve or lay them one behind the other like a bumper strap and leave the frame holes open. I can also get creative with the A-arm straps. Pointy bumper hard nosed. can you have hump plates because that’s a big thing. Let’s say you can, then the plates should be up front, 3 4x6 plates will be enough to plate all a arms forward especially if you make ur plates a little long 😉. Seam welding a arms forward means you can weld that top triangle shut so don’t waste the plate. Make sure you weld the spring bucket seam so it doesn’t blow apart, it’s legal since it’s under the a arm, doesn’t specify what side of the a arm the seam welding can start.
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bigr
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Post by bigr on Aug 25, 2018 0:15:09 GMT -5
No hump plates but can beat them in.
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Post by DerbyKing88s on Aug 25, 2018 6:54:18 GMT -5
How long can your a arms straps be?
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bigr
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Post by bigr on Aug 25, 2018 15:48:14 GMT -5
The a-arm straps can be 3x6x1/4” and I don’t think they would let me weld the hole on the frame up but could cut if I had to.
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Post by DerbyKing88s on Aug 25, 2018 23:25:11 GMT -5
Ya so weld 2 plates per frame rail bumper back, then weld ur a arms straps up to where your other plates stop. Weld it last plate on the hump where the package trey stops
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bigr
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Post by bigr on Sept 6, 2018 2:10:59 GMT -5
Next question which spring would be best for helping out the spring pocket. 70s Lincoln big block or the Cadillac springs. Have to run stock springs from a car, cant have the custom ones that ski sells.
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