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#2484080 - 04/17/18 08:07 AM Drilling leaf springs
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
Think there would be any issues with drilling my Cal vert monos? I need to slide the axle back to center the tire in the wheel well and i need the clearance for the bigger tire. Instead of buying another pair of front halfs, why couldn't i just drill another hole where it needs to be? Looks like the new hole would need to be drilled about 1/2" back from the other. I talked to cal vert about this a few years ago and they were totally against it, but i'm sure they don't want the liability. Thanks

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#2484103 - 04/17/18 08:50 AM Re: Drilling leaf springs [Re: mopar dave]
Clanton Online   content
master

Registered: 05/15/11
Posts: 3473
Loc: northern,Ohio,USA
Use a 1/2" spacer in front of the spring eye mount,I did.


Edited by Clanton (04/17/18 08:52 AM)
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#2484106 - 04/17/18 08:58 AM Re: Drilling leaf springs [Re: Clanton]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
Thats a great idea, but mine are moved in and welded. Gonna have to replace or redrill front section.

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#2484109 - 04/17/18 09:04 AM Re: Drilling leaf springs [Re: mopar dave]
6bblFLASH Offline
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Registered: 01/20/03
Posts: 3532
Loc: N.E. Ohio
Is it solid front bushings/aluminum??

Could you have one machined offset?
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#2484110 - 04/17/18 09:05 AM Re: Drilling leaf springs [Re: mopar dave]
Clanton Online   content
master

Registered: 05/15/11
Posts: 3473
Loc: northern,Ohio,USA
Do you use an aluminum sleeve in the front spring eye?Offset drill it.
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#2484115 - 04/17/18 09:14 AM Re: Drilling leaf springs [Re: Clanton]
6bblFLASH Offline
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Registered: 01/20/03
Posts: 3532
Loc: N.E. Ohio
Originally Posted By Clanton
Do you use an aluminum sleeve in the front spring eye?Offset drill it.


N.E Ohio group logic!! LOL
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#2484123 - 04/17/18 09:29 AM Re: Drilling leaf springs [Re: 6bblFLASH]
Clanton Online   content
master

Registered: 05/15/11
Posts: 3473
Loc: northern,Ohio,USA
Originally Posted By 6bblFLASH
Originally Posted By Clanton
Do you use an aluminum sleeve in the front spring eye?Offset drill it.


N.E Ohio group logic!! LOL
Whew ok I thought it was just me.lol
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#2484143 - 04/17/18 10:06 AM Re: Drilling leaf springs [Re: mopar dave]
67_Satellite Offline
super stock

Registered: 01/20/03
Posts: 899
Loc: Andrews,In. U.S.of A.
I just moved the hole the locating pin sits in.

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#2484147 - 04/17/18 10:12 AM Re: Drilling leaf springs [Re: mopar dave]
EV2Bird Online   penguin-006
No more politics

Registered: 06/23/14
Posts: 3852
Loc: Kansas Roads Between 0 and 140...
My calvert springs had a second hole about a inch apart when I removed there two spring clamps to paint them which let me move the axle an inch and cheat on the wheelbase.

If they can sell them with a extra hole, why cant you drill one?

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#2484148 - 04/17/18 10:13 AM Re: Drilling leaf springs [Re: 67_Satellite]
GY3 Offline


Registered: 12/13/13
Posts: 2354
Loc: Wichita
Originally Posted By 67_Satellite
I just moved the hole the locating pin sits in.


Ditto.
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#2484158 - 04/17/18 10:31 AM Re: Drilling leaf springs [Re: mopar dave]
Bad340fish Offline
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Registered: 01/20/03
Posts: 5674
Loc: Tulsa OK
Yeah if you need to drill another hole in the perch, not the spring.
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#2484180 - 04/17/18 10:55 AM Re: Drilling leaf springs [Re: 67_Satellite]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
Yep, thats all i want to do without risk of the spring breaking. Yes, aluminum bushings. It would be easier to redrill the spring locating hole.

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#2484183 - 04/17/18 10:58 AM Re: Drilling leaf springs [Re: Bad340fish]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
Didn't think about that. Guess i could drill the perch instead.

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#2484184 - 04/17/18 11:00 AM Re: Drilling leaf springs [Re: EV2Bird]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
I don't think they want the holes too close together, but whats too close?

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#2484236 - 04/17/18 12:52 PM Re: Drilling leaf springs [Re: mopar dave]
johnnycuda Offline
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Registered: 03/19/08
Posts: 715
Loc: lancaster,california
If the car has CalTracs, you may run out of link bar adjustment, also the transmission yoke may not engage the trans enough if the rear is moved back.
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#2484247 - 04/17/18 01:12 PM Re: Drilling leaf springs [Re: johnnycuda]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
I dont think the link bars will be an issue, but the yoke might as its already out further than recommend. Whats the recommended? 3/4"? I think mines currently 1". Will have to remeasure everything. Good call. Thanks

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#2484266 - 04/17/18 02:09 PM Re: Drilling leaf springs [Re: mopar dave]
Clanton Online   content
master

Registered: 05/15/11
Posts: 3473
Loc: northern,Ohio,USA
Originally Posted By mopar dave
I dont think the link bars will be an issue, but the yoke might as its already out further than recommend. Whats the recommended? 3/4"? I think mines currently 1". Will have to remeasure everything. Good call. Thanks
Good time to come out with the u-joint spacer 1/2" lol just kidding.The brake hose may be short,The axle twist may hit the shock,Drive shaft may be too short.Nothing simple.
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#2484267 - 04/17/18 02:10 PM Re: Drilling leaf springs [Re: mopar dave]
360tripleblack77 Offline
member

Registered: 10/29/15
Posts: 130
Loc: GravataĆ­, RS, Brazil
By the way, leveraging the question, I've received my brand new monoleafs from Calvert but currently I'm running with Assassin Traction Bars that require drill a 5/16 hole at leafspring to attach the front link of the bar.

Question: Some problem to drill this hole in the front segment of leaf spring?

Thanks


Attachments
traction.png


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Best 1/8 mile ET
1.50 60' / 4.31 330' / 6.73@102.54mph

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#2484268 - 04/17/18 02:15 PM Re: Drilling leaf springs [Re: 360tripleblack77]
mopar dave Offline
master

Registered: 01/04/07
Posts: 5756
Loc: flint michigan
Looks like its a non issue if you have no hole in them. I think cal vert frowns on having 2 holes close together. What is too close i dont know, but sounds like 1" apart is fine.

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#2484275 - 04/17/18 02:37 PM Re: Drilling leaf springs [Re: mopar dave]
360tripleblack77 Offline
member

Registered: 10/29/15
Posts: 130
Loc: GravataĆ­, RS, Brazil
Thanks Dave!
_________________________
'77 Brazilian Dodge Charger R/T - Street Car
Footbrake, Pump Gas, SB Mopar 360" N/A
3300lbs, Leaf Spring + Assassin Bars
Best 1/8 mile ET
1.50 60' / 4.31 330' / 6.73@102.54mph

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