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akaFrankCastle
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Joined: Wed Oct 27, 2010 6:25 pm
Posts: 4901
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Location: Colorado Springs
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 C4 won't bolt up I have an obstruction of some sort between the transfer, intermediate, and C4. If I bolt the INT housing to the C4, I have a gap at the transfer. If I bolt the housing to the transfer, the gap is on the C4 side. Gap width is about 1/8-1/16" in width. I've wiggled it, jiggled it, shook it and cursed at it.
I suspect the issue is the intermediate shaft or output shaft as the transfer case binds when I apply slight pressure to the bolts during tightening.
Thoughts?
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Stroppe'd
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
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| Wed Apr 20, 2016 10:04 pm |
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mickphatmac
Official CCB Member
Joined: Fri Mar 16, 2012 10:26 am
Posts: 1810
Images: 14
Location: Evans,CO
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Re: C4 won't bolt up I think you nailed it on the head. I bet if you grind it down the fat end of the shaft, you will solve your problem.
I had purchased an automatic for an intermediate housing and turned out the shaft was cut off and reused in the automatic from a previous standard transmission. The back half ( in relation to the front and the back of the Bronco) that goes into the Dana 20 looked exactly the same but it was the front end that slips over the Trans shaft that they needed to cut off and grind down.
Auto vs Manual...
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1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
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| Wed Apr 20, 2016 10:31 pm |
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ZOSO
Moderator
Joined: Mon Nov 15, 2010 5:58 pm
Posts: 3906
Location: Henderson, Co
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Re: C4 won't bolt up Yup just what he said^^^^ You need an intermediate shaft for an auto. Even if you cut the manual down to the correct length it's not splined deep enough(been there tried that).
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Rob
74 Ranger EFI351w, 4r70w, ARB 5.13 9in, ARB 5.13D44, and a bunch of other goodies. Best of all the family memories.
04 Mustang Cobra, KenneBell 2.2 feeding a lot of boost on E85. Tire shredding machine
New project: 77 Bronco Ranger, body work and more body work.
Very little left of a 72 durango tan explorer sport
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| Thu Apr 21, 2016 6:15 am |
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Digger
Official CCB Member
Joined: Fri Jun 21, 2013 8:53 pm
Posts: 1276
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Re: C4 won't bolt up Wow, that's poor engineering
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Cummins R2.8 diesel, ZF5, AtlasII, HP44/BB9, ARBs, coiled / linked suspension, 37" KO2s, full cage, bumpers, etc.
Build Thread:
Average 23.5 mpg, Best tank: 25.1 mpg
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| Thu Apr 21, 2016 8:35 am |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: C4 won't bolt up What they said. Manual spud shaft. Some of the manual spuds are deep enough to cut and use. Splines are short on the manual spuds but some also have shallow holes. It must be deep enough to accept the length of the C4 output shaft.
Bronco 008.jpg
Bronco 309.jpg
Bronco%20307.jpg
Bronco%20313.jpg
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| Thu Apr 21, 2016 9:06 am |
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mickphatmac
Official CCB Member
Joined: Fri Mar 16, 2012 10:26 am
Posts: 1810
Images: 14
Location: Evans,CO
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Re: C4 won't bolt up Does the "Inner spline to end shaft length" have to be 2" or is 1.5" ok?
_________________
1968 3.5" Lift on 31's Front serpentine belt ViperBuilt 4x4x2 PS C4 '66 Speedo '66 Horn Button- STROPPE goodies: Steering Wheel, Roll Bar, Cactus Smasher
SOLD :(1972 Explorer Sport - '66 Eyebrow Grill - '66 Speedometer - Stroppe Steering Wheel - Stroppe RollBar - ViperBuilt C4
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| Thu Apr 21, 2016 10:31 am |
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Gunnibronco
Official CCB Member
Joined: Mon Jan 03, 2011 6:07 pm
Posts: 4074
Location: Gardnerville, NV
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Re: C4 won't bolt up Advance Adapters told me that you want as much spline engagement length as the cross section width of the shaft. Even a little less is ok.
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"America is at that awkward stage. It's too late to work within the system, but too early to shoot the bastards." – Claire Wolfe
74-AWB 98", ZF5, Atlas4, TGW HP1060 and HP1014 axles, ARBs, 37's, 3.5" lift-5.5" front coil springs, Tahoe rear springs, EFI 302, h-boost, York OBA, 4x4x2, custom dash & gauges
72 U15- Explorer Sport-Candyapple Red (1 of 141)
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| Thu Apr 21, 2016 12:04 pm |
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Viperwolf1
Official CCB Member
Joined: Tue May 07, 2013 10:37 pm
Posts: 1485
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Re: C4 won't bolt up
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| Thu Apr 21, 2016 4:00 pm |
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akaFrankCastle
Official CCB Member
Joined: Wed Oct 27, 2010 6:25 pm
Posts: 4901
Images: 0
Location: Colorado Springs
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Re: C4 won't bolt up So, I've confirmed it is definitely a manual spud shaft. Retainer to spud shaft end is at around 2.5"  Threads inside the spud are about 1.5", as predicted.  I'm going to stop by Don's this weekend and see if he has any auto spuds. If not, I'll be whipping out the grinder and sacrifice a manual spud to make this thing move a little on its own.
_________________
Stroppe'd
1972 Sport, 302, 3 speed with old school Duff floor shifter, T shift Dana 20 with JB Fab twin stick, 4.11 gears with Trac-loc, Lincoln hydroboost, Chevy disc conversion, WH gas lift gate shock kit, 33" Duratrac tires on slots and about 2.5" of lift, Stroppe installed: bumper braces, dual shocks on all four corners, GM power steering, trans cooler mount, auto shift column, rollbar.
The Terrible One
1972 Sport uncut, 302, C4 with 1974 column , T shift Dana 20, 3.50 gears w/ limited slip, 1966 U13 Roadster kick panel, and factory power steering.
1973 Stroppe Baja project
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| Thu Apr 21, 2016 9:09 pm |
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