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First time narrowing 8 3/4 - TIPS? #649118
03/23/10 04:56 PM
03/23/10 04:56 PM
Joined: Nov 2004
Posts: 7,647
Houston Texas
PAINT IT BLACK Offline OP
Got a CHIP on my shoulder
PAINT IT BLACK  Offline OP
Got a CHIP on my shoulder

Joined: Nov 2004
Posts: 7,647
Houston Texas
I will be narrowing an E body 8 3/4 by 3" on both sides. Does anyone have a link to some good reading on the subject? Where to cut, how to keep flanges straight, etc...

Re: First time narrowing 8 3/4 - TIPS? [Re: PAINT IT BLACK] #649119
03/23/10 05:11 PM
03/23/10 05:11 PM
Joined: Jan 2003
Posts: 32,921
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,921
Grand Prairie,Texas
You really need a jig to do it right. But here's a link to a how to on it. http://www.crankshaftcoalition.com/wiki/Narrowing_a_rearend

Last edited by stumpy; 03/23/10 05:13 PM.
Re: First time narrowing 8 3/4 - TIPS? [Re: stumpy] #649120
03/23/10 05:18 PM
03/23/10 05:18 PM
Joined: May 2003
Posts: 15,487
Florida
S
scratchnfotraction Offline
I Live Here
scratchnfotraction  Offline
I Live Here
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Joined: May 2003
Posts: 15,487
Florida


a jig is best

I sent mine to moser and let it get done right/fit the first time


Re: First time narrowing 8 3/4 - TIPS? [Re: scratchnfotraction] #649121
03/23/10 08:36 PM
03/23/10 08:36 PM
Joined: Nov 2004
Posts: 7,647
Houston Texas
PAINT IT BLACK Offline OP
Got a CHIP on my shoulder
PAINT IT BLACK  Offline OP
Got a CHIP on my shoulder

Joined: Nov 2004
Posts: 7,647
Houston Texas

Re: First time narrowing 8 3/4 - TIPS? [Re: PAINT IT BLACK] #649122
03/23/10 11:47 PM
03/23/10 11:47 PM
Joined: Mar 2003
Posts: 1,039
INDIANA
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Paul Jacobs Offline
super stock
Paul Jacobs  Offline
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Posts: 1,039
INDIANA
Agreed, for the money I just send mine to Moser Engineering. It's not hard to ruin a rearend without the proper jig.

Re: First time narrowing 8 3/4 - TIPS? [Re: Paul Jacobs] #649123
03/23/10 11:57 PM
03/23/10 11:57 PM
Joined: Dec 2008
Posts: 742
Oak Harbor, WA
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Wicked49670dart Offline
super stock
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Posts: 742
Oak Harbor, WA
I sent mine to Moser also, ship it from Washington state to moser and no problems.Matt


70 Dart 3400 496 New Best 6.15@110.37 660ft, 9.76@135 with a 1.34 60ft
Re: First time narrowing 8 3/4 - TIPS? [Re: Wicked49670dart] #649124
03/24/10 12:00 AM
03/24/10 12:00 AM
Joined: Jan 2003
Posts: 9,826
las vegas
70AARcuda Offline
master
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Posts: 9,826
las vegas
Had local shop cut and narrow 8 3/4 they had the jig..

cost 150 bucks...


Tony

70 AARCuda Vitamin C
71 Dart Swinger 360 10.318 @ 128.22(10-04-14 Bakersfield)
71 Demon 360 10.666 @122.41 (01-29-17 @ Las Vegas)
71 Duster 408 (10.29 @ 127.86 3/16/19 Las Vegas)
Re: First time narrowing 8 3/4 - TIPS? [Re: 70AARcuda] #649125
03/24/10 09:19 AM
03/24/10 09:19 AM
Joined: Nov 2004
Posts: 7,647
Houston Texas
PAINT IT BLACK Offline OP
Got a CHIP on my shoulder
PAINT IT BLACK  Offline OP
Got a CHIP on my shoulder

Joined: Nov 2004
Posts: 7,647
Houston Texas
Quote:

Had local shop cut and narrow 8 3/4 they had the jig..

cost 150 bucks...




That seems pretty attractive. I didn't really want to ship it (big = expensive).

Re: First time narrowing 8 3/4 - TIPS? [Re: PAINT IT BLACK] #649126
03/24/10 09:34 AM
03/24/10 09:34 AM
Joined: May 2003
Posts: 3,042
N.W. Florida
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Fat_Mike Offline
master
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Posts: 3,042
N.W. Florida
I shipped a bare 8 3/4 housing a couple years ago through USPS. Although I don't remember the exact cost, I do remember it being surprisingly inexpensive. Just wrap it in plastic real good to prevent oil seepage, then in good paper. No boxing/crating required.

Re: First time narrowing 8 3/4 - TIPS? [Re: Fat_Mike] #649127
03/24/10 09:40 AM
03/24/10 09:40 AM
Joined: Nov 2004
Posts: 7,647
Houston Texas
PAINT IT BLACK Offline OP
Got a CHIP on my shoulder
PAINT IT BLACK  Offline OP
Got a CHIP on my shoulder

Joined: Nov 2004
Posts: 7,647
Houston Texas
Quote:

I shipped a bare 8 3/4 housing a couple years ago through USPS. Although I don't remember the exact cost, I do remember it being surprisingly inexpensive. Just wrap it in plastic real good to prevent oil seepage, then in good paper. No boxing/crating required.





Re: First time narrowing 8 3/4 - TIPS? [Re: stumpy] #649128
03/24/10 09:40 AM
03/24/10 09:40 AM
Joined: Nov 2004
Posts: 7,647
Houston Texas
PAINT IT BLACK Offline OP
Got a CHIP on my shoulder
PAINT IT BLACK  Offline OP
Got a CHIP on my shoulder

Joined: Nov 2004
Posts: 7,647
Houston Texas
Quote:

You really need a jig to do it right. But here's a link to a how to on it. http://www.crankshaftcoalition.com/wiki/Narrowing_a_rearend




What stinks is I know I can do this. I just need one of those jigs! And a spare chunk.

Looks like a fun project.







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