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05-23-2013, 08:58 PM
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#1 |
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Registered User
Join Date: Nov 2011
Location: Rapid City SD
Posts: 140
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BBC and a TH350 Kickdown bracket?
I have been searching all over on here and can't seem to find what I am looking for. Has anyone had any luck using a throttle rod with a kickdown cable on a big block. I have tried a couple universal ones and a factory one but they all seem to hit the throttle rod at some point in the travel. Any help would be appreciated.
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1970 : Chevy: K20 "Frank the Tank" 6.0 LS, 4L80E, 14 bolt, and Dana 44 1970 K5 Blazer CST 350, TH350, Np205, Dana 60 and 14 bolt General Motors Master Certified wrench swinger ASE certified Master auto tech Instructor of Automotive Technology |
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05-23-2013, 09:26 PM
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#2 | |
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I built it
Join Date: Sep 2008
Location: Bakersfield ca
Posts: 744
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Re: BBC and a TH350 Kickdown bracket?
i tried messing with mine for a while then just gave up. never did run a kickdown on the th350 after bbc swap.. or the th400 i swapped in for that matter.. 454's dont need it!
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'72 k10 lwb 454, th400, 205, d44ft, 12b rear, 4in skyjacker, 35x12.5-15 superswampers, 4.56, blazer tank. painless wiring harness '98 dodge 3500 12v 5sp 4x4. the truck that actually runs Quote:
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05-23-2013, 09:46 PM
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#3 |
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Registered User
Join Date: Nov 2011
Location: Rapid City SD
Posts: 140
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Re: BBC and a TH350 Kickdown bracket?
Lol yes it def doesnt need it, but It would be all that much better with it hooked up. I know it made a world of difference when I hooked it up on the small block.
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1970 : Chevy: K20 "Frank the Tank" 6.0 LS, 4L80E, 14 bolt, and Dana 44 1970 K5 Blazer CST 350, TH350, Np205, Dana 60 and 14 bolt General Motors Master Certified wrench swinger ASE certified Master auto tech Instructor of Automotive Technology |
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05-28-2013, 11:17 AM
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#4 |
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Senior Member
 Join Date: Mar 2003
Location: Colfax-California
Posts: 8,592
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Re: BBC and a TH350 Kickdown bracket?
You will have to take a 350 one and fab it up to fit the 454, never seen a t350 behind a big block from the factory
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05-28-2013, 02:58 PM
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#5 |
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Another Day, Another Dollar
Join Date: Nov 2008
Location: North Vancouver, BC
Posts: 1,316
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Re: BBC and a TH350 Kickdown bracket?
be careful or you'll turn that thing into confetti, theres a reason they stuck th400's behind bbcs
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-78 K20 Cheyenne 454 long box, 4" lift, 35" MT's, '84 cab, '80 box "its hip to be square" 
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05-28-2013, 09:08 PM
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#6 |
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Registered User
Join Date: Nov 2011
Location: Rapid City SD
Posts: 140
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Re: BBC and a TH350 Kickdown bracket?
I tried the 350 one that mounts on the back side of the carburator, it hits the throttle rod. Tried the universal kind that bolts onto the LR bolt. it hits the trottle rod. Does anyone know of a kickdown braket that had an adjustment up and down? I really dont want to have to weld something up if I don't have to. So far no issues with the 350 but I havent been really hard on it. Plus I only have 265's on it so far, so it spins before it does anything.
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1970 : Chevy: K20 "Frank the Tank" 6.0 LS, 4L80E, 14 bolt, and Dana 44 1970 K5 Blazer CST 350, TH350, Np205, Dana 60 and 14 bolt General Motors Master Certified wrench swinger ASE certified Master auto tech Instructor of Automotive Technology |
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05-29-2013, 12:21 PM
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#7 |
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Senior Member
Join Date: Mar 2003
Location: Colfax-California
Posts: 8,592
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Re: BBC and a TH350 Kickdown bracket?
Maybe look into Lokar for a cable and kit
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06-02-2013, 12:32 PM
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#8 |
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Registered User
Join Date: Nov 2011
Location: Rapid City SD
Posts: 140
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Re: BBC and a TH350 Kickdown bracket?
The lokar stuff is nice, but I can do a lot of fab work for what they cost. I think I am going to try and fab something up of my own design. I will post up pics of the finished product.
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1970 : Chevy: K20 "Frank the Tank" 6.0 LS, 4L80E, 14 bolt, and Dana 44 1970 K5 Blazer CST 350, TH350, Np205, Dana 60 and 14 bolt General Motors Master Certified wrench swinger ASE certified Master auto tech Instructor of Automotive Technology |
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06-03-2013, 09:01 PM
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#9 |
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Grease Monkey
Join Date: Oct 2007
Location: Fresno CA
Posts: 750
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Re: BBC and a TH350 Kickdown bracket?
Not to rain on your parade, but you might not want to hook that up. It will only increase your chances of destroying your Th350. I have a BBC in my truck and I've already shattered parts inside mine.
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Tow Rig: 2012 Chevy 2500HD CCSB LTZ Z71 4x4 Duramax Ultimate Offroad Build: 1978 Chevy Silverado K30 Crewcab Build Link http://67-72chevytrucks.com/vboard/s...d.php?t=654053 Mud Truck: 1972 Chevy Cheyenne K30 4x4, 468/400/205, D60/D70HD, 18" Custom Lift, 17x39" IROKs FOR SALE http://67-72chevytrucks.com/vboard/c...ton-4x4&cat=12 |
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07-20-2013, 10:39 AM
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#10 |
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Registered User
Join Date: Jun 2013
Location: Redlands, CA
Posts: 32
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Re: BBC and a TH350 Kickdown bracket?
Went with the Lokar set up for my TH400 on the BBC. Worth the bucks because it works great.
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