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#1 |
Registered User
Join Date: Jul 2015
Location: Bowling Green, KY
Posts: 264
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Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Hello to all. Hooker Blackheart 1967-72 C10 truck LS and LT engine swap systems have been in development for some time and are beginning to get released on a part by part basis. Therefore, I am creating this thread to use as a depository for photos and information related to these systems. As each component/product gets released I, or another designer who was involved with the development of these components, will visit this thread to provide comprehensive information about it.
What I can do as a preliminary step is provide an overview as to what components/systems you'll have available to you upon the full release, and also answer any technical/design related questions you may have related to them. The treatment of this application closely follows that of what we did on 1973-87 C10 truck LS swap application, but also includes coverage for LT engine swap as well. Please do not seek further information on these products through the Holley Customer Service or Tech Service channels at this time as they have no knowledge of products that are not yet released. The list of components that have be co-developed for this vehicle application includes the following: Engine mounting brackets (designed for use with GM 4th-gen F-body clamshell motor mounts)- LS and LT engines, provides maximum level of low-mount accessory drive component compatibility Transmission crossmember- compatibility includes 2004R, TH400, 4L60E-4L75E, 4L80E/4L90E, 6L80 and T56 Magnum transmissions Long tube headers- LS and LT specific designs that connect to the below mentioned exhaust systems Dual rear exit and side exit exhaust systems- both 2.5" and 3" systems, design features include tube routing through the trailing arm crossmember and clearance for aftermarket rear track bars, rear frame mounted fuel tanks and 14" wide rear wheel/tire packages Exhaust manifold adapter tube kits- designed to connect Hooker cast iron exhaust manifolds directly to the 2.5" versions of the above mentioned exhaust systems I have purposely left these descriptions very general in nature as I believe there will be more value to their details if they are provided as an answer to questions that readers here will ask related to their specific swap project. I believe that the first products that will be getting released will be the 3" versions of the exhaust systems, but I can't judge the release order of the other components at this point in time. Feel free to post any design/technical questions you may have and I will answer them to the best of my ability. The next post I'll be making will provide technical information about the 409SS 3" exhaust systems, since they were released just this past week. |
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#2 |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Ok, here's the product release information for the 409SS 3" exhaust systems and images showing the shared and unique components of each of them.
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#3 |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
...and in support of the last post, here's some installed images of the systems on the development vehicle.
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#4 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
That exhaust looks very nice and tight fitting. One little bit of FYI, most all of these components designed for the '67-'72 trucks will work/fit equally as well on the '63-'66 trucks. One slight difference with regard to the exhaust systems is that the '63-'64 trucks have a different panhard bar assembly which may be close to the passenger side exhaust tail pipe.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#5 | |
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Join Date: Jul 2015
Location: Bowling Green, KY
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#6 |
60-66 Nut
![]() ![]() Join Date: Mar 2007
Location: Coeur d'Alene, Idaho
Posts: 23,247
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
That is understandable.
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Power Steering Box Adapter Plates For Sale HERE Power Brake Booster Adapter Brackets For Sale '63-'66 HERE and '67-'72 HERE and '60-'62 HERE and "60-'62 with clutch HERE Rear Disc Brake Brackets For Sale. Impala SS calipers HERE Camaro Calipers HERE D52 Calipers HERE 6 Lug HERE Hydroboost Mounting Plates HERE |
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#7 |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
The 2.5" 409SS versions of these exhaust systems have also been released and listed on the Holley website.
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#8 |
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Join Date: Jun 2009
Location: Pasco, wa
Posts: 111
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
How do those mufflers compare to the hooker max flows? I've been a big fan of the max flows since I installed my first one over 10yrs ago and probably 10 more since then.
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1972 C10 cheyenne super -350/th350 Wifes truck 1971 Nova- 6.0l with some goodies and a t56, 98-02 camaro brakes all around, tubular control arms, etc 2000 zr2 blazer- rock crawler offroad toy, one ton axles and lockers front and rear. 2006 2500hd- 500hp duramax/built allison trans,traction bars, and some other goodies. |
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#9 | |
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Join Date: Jul 2015
Location: Bowling Green, KY
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#10 |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
It was brought to my attention by a member that I neglected to post the part numbers for the Hooker Blackheart 1967-72 exhaust systems, which would make it easier for you guys to search for them on the Holley website for more information. I apologize for forgetting to list them earlier, their part numbers are:
BH13193, BH13194, BH13196 and BH13199 |
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#11 |
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Join Date: Mar 2005
Location: 10-Uh-See
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Nice looking exhaust system! Interested to see the trans crossmember.
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Last edited by 68Stepbed; 08-13-2019 at 05:29 PM. |
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#12 | |
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Location: Bowling Green, KY
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Quote:
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#13 |
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Join Date: Nov 2000
Location: Huntsville Ontario Canada
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Just wondering what the engine angle.has been set to ? My dirty dingo mounts have my engine down 5 degrees. That angle.is causing drive shaft vibirations in my suburban. I cant get the engine lower without alot of cutting and fabricating. Your exhaust stsyem and transmission crossmember look really nice.
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1968 Suburban numbers matching all original truck now equipped with 6.0/4L80 on Accuair http://67-72chevytrucks.com/vboard/s...d.php?t=625017 1967 C/20 6.0/4L80 Roofing Truck 1990 V2500 Suburban "Plow Truck" 2005 TAHOE DD Last edited by 72MARIO; 08-23-2019 at 08:13 PM. |
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#14 | |
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Location: Bowling Green, KY
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Quote:
Posted via Mobile Device Follow-up: the resultant engine inclination angle ended up being 3.5 degrees relative to the bottom of the frame rail. Last edited by toddoky; 08-19-2019 at 09:15 AM. |
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#15 |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
This would be a good time to post some other depictions of the exhaust that can be used for comparative reference to what others may be used to seeing on their own trucks. The first images I'll put up are side shots that show the Hooker Blackheart 3" exhaust system, the 4L80E transmission pan and the coming Hooker Blackheart long tube headers on the development truck.
Last edited by toddoky; 08-19-2019 at 10:43 AM. |
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#16 |
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Join Date: Mar 2008
Location: Waukee, Iowa
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Todd, can you educate me on how your hooker engine mounts compare to the poly leaf-spring type bushing mounts for vibrations? Thanks!
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build threads: 86 Suburban 88 Jeep 6.0 swap 49 Chevy truck 54 Chevy wagon 86 Suburban lowered 4/6 54 Chevy wagon 49 Chevy/s10 mix 88 Jeep Wrangler rockcrawler |
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#17 | |
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Join Date: Jul 2015
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#18 |
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Join Date: Oct 2009
Location: canton ga
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Which size would be better for a stock 5.3 engine ?
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#19 |
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Join Date: Oct 2009
Location: canton ga
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Also are these kits for sale thru dealers or only thru Holley ?
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#20 |
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Location: Bowling Green, KY
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If you are referring to the exhaust systems, the answer would be the 2.5” system in your application. If you are referring to the coming headers, I wouldn’t put 1-3/4” headers on any LS engine other than a stock 4.8L, but others do use them on 5.3L engines.
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#21 |
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#22 |
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Join Date: Oct 2009
Location: canton ga
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
I have headers already ,dont remember the brand though . Yes , I was referring to exhaust system . Just waiting on my 70 stepper to come home from rust repair to build it .
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#23 | |
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Join Date: Jul 2015
Location: Bowling Green, KY
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#24 | |
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Location: Waukee, Iowa
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Quote:
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build threads: 86 Suburban 88 Jeep 6.0 swap 49 Chevy truck 54 Chevy wagon 86 Suburban lowered 4/6 54 Chevy wagon 49 Chevy/s10 mix 88 Jeep Wrangler rockcrawler |
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#25 | |
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Join Date: Jul 2015
Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Quote:
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