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USAJon
PostPosted: Sat Feb 04, 2012 9:58 am 
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Turbo EFI
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is there a safe/reasonable priced way to convert
a 7.25 rear to disk brakes?

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sandy in BC
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PostPosted: Sat Feb 04, 2012 3:04 pm 
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Yes,,,,,,buy a Ford Explorer 8.8.

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Doctor Dodge
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PostPosted: Sun Feb 05, 2012 8:43 am 
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The big lug 7 1/4 has the same backing plate bolt pattern as the 8 3/4 so there may be a way to use the more common rear DB 8 3/4 kits, on one of the later 7 1/4s.
Personally... a 7 1/4 is not a good place to invest a lot of money, time & effort... it's too easy to blow one up, even after doing everything "right".
DD
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USAJon
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PostPosted: Sun Feb 05, 2012 9:05 am 
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what area does it blow?
posi unit
ring/pinion
axles
twisted housing

and @ what HP rating
mine is stock w/headers

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Romeo Furio
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PostPosted: Sun Feb 05, 2012 10:22 am 
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They were known for busting spider gears. How much power you planning on putting in front if it?? Stick or auto?? If under 300 hp you shouldn't have much of a problem. Long as no cowboyin' goes on.. I agree with Doc that the large bolt 10x2 1/2 drum one should use all the disc parts from a 8 3/4 kit.
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USAJon
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PostPosted: Sun Feb 05, 2012 10:55 am 
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They were known for busting spider gears. How much power you planning on putting in front if it?? Stick or auto?? If under 300 hp you shouldn't have much of a problem. Long as no cowboyin' goes on.. I agree with Doc that the large bolt 10x2 1/2 drum one should use all the disc parts from a 8 3/4 kit.
How can you get 300 HP from a slant six that's streetable?

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raPoM
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PostPosted: Sun Feb 05, 2012 11:20 am 
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They were known for busting spider gears. How much power you planning on putting in front if it?? Stick or auto?? If under 300 hp you shouldn't have much of a problem. Long as no cowboyin' goes on.. I agree with Doc that the large bolt 10x2 1/2 drum one should use all the disc parts from a 8 3/4 kit.
How can you get 300 HP from a slant six tha'ts streetable?
Forced induction.
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USAJon
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PostPosted: Sun Feb 05, 2012 11:24 am 
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Quote:
Quote:
Quote:
They were known for busting spider gears. How much power you planning on putting in front if it?? Stick or auto?? If under 300 hp you shouldn't have much of a problem. Long as no cowboyin' goes on.. I agree with Doc that the large bolt 10x2 1/2 drum one should use all the disc parts from a 8 3/4 kit.
How can you get 300 HP from a slant six that's streetable?
Forced induction.
OK
How much does that cost...?

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Slanted Opinion
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PostPosted: Sun Feb 05, 2012 11:51 am 
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I think Sandy's response was good. Get a rear out of an Explorer. You'll never break it, and you the disc brake setup is all on and ready to go.

Forced induction can be anything from a turbo scavenged from the junkyard (least expensive, but fair amount of customizing needed) to a full on supercharger and manifold, ala Pentastar Parts in Australia. (Most expensive). Look for the "Hurricane" manifold with the blower mounting.

You could also use Nitrous to raise HP. Cheaper and easier to begin with, but there's always the refills to keep up with.

- Mac
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Romeo Furio
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PostPosted: Sun Feb 05, 2012 11:55 am 
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Check out Jan. issue of Car Craft, Slant Duster
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USAJon
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PostPosted: Mon Feb 06, 2012 2:49 pm 
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Check out Jan. issue of Car Craft, Slant Duster
just got off the phone with the guy who built that motor/shop resored the car 3 years time..
http://www.carcraft.com/featuredvehicle ... ewall.html
Dennie, says when steve gets more seat time he will probally run the slant six circut

a motor build like steves is $15-20K...just motor/complete

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sandy in BC
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PostPosted: Mon Feb 06, 2012 3:04 pm 
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You can blow up a 7 1/4 with a stock slant....we all have.

My Explorer 8.8 weighs 20 lbs more than the 7.25 it replaced. Available with Trac Loc and gears from 3.00 to 4.11.

Imageclick to view full-version

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Romeo Furio
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PostPosted: Mon Feb 06, 2012 3:25 pm 
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Ya ,, it sure ain't cheap I got 14K in mine. 4K just in the head .
Someday I'm gonna learn how to do links. I have a hard enough time just typing. Guess I shoulda listened in school instead of chasing girls,,and playin' with cars.........Or was it the other way around?????
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Doc
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PostPosted: Mon Feb 06, 2012 3:27 pm 
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Quote:
What area does it blow?
-posi unit
-ring/pinion
-axles
-twisted housing

and @ what HP rating
mine is stock w/headers
All of the above.
And add: "Split the gear carrier in half". :shock:
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USAJon
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PostPosted: Mon Feb 06, 2012 3:31 pm 
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Location: Silver Spring, Maryland U.S.A.
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Quote:
Quote:
What area does it blow?
-posi unit
-ring/pinion
-axles
-twisted housing

and @ what HP rating
mine is stock w/headers
All of the above.
And add: "Split the gear carrier in half". :shock:
well seeing that it holds almost NO &#@% fluid, I would build extended trap door pan/add a temp quage run synthetic too.

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