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#151 |
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Join Date: Jul 2011
Location: socal
Posts: 3
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
I ordered some swap headers, BH13173, but was told today they have been discontinued and no alternative is available. Checked Holley's website and I don't see any long tube headers listed for LS swaps into 67-72 trucks. Already ordered the crossmember and exhaust system to ensure it all fit, but now no headers. Anyone know why?
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#152 | |
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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
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#153 |
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Good to know, thanks.
Will the existing exhaust system and crossmember designed to work with the old, work with the new design? Does the new design offer clearance for wide frames, where old design apparently did not? Can you pass along the new part number, as I'll order it when it's available. |
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#154 | |
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Location: Bowling Green, KY
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
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#155 |
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Did any managed to install the 3" or 2.5" exhaust system? would love to hear it running before getting one. I plan on doing the whole system engine stands, trans cross member, and trailing arm cross memeber.
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#156 |
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Join Date: Jun 2007
Location: Pine Ridge Florida
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
A page or two back someone has pictures installed. I "believe" they have it running.
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Click on my Not really a build thread, yet NOT SO RUST FREE RUST FREE BLAZER LS ENGINE SWAP INFORMATION THREAD BOLT RESTORATIONS 4l60 to an NP205 |
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#157 |
Senior Member
Join Date: Mar 2000
Location: East Peoria, IL
Posts: 600
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
I've got a 5.3 build that was finished before these Holley parts were out. It has the GM muscle car pan on it. Will that work with the Holley LS swap parts or will I need to swap to a 302-2 pan?
(I've got the full Holley LS swap system going in my 69 Camaro and it's great stuff, thanks for the all the work that has gone in to these great systems)
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1968 C10 - 383, non-stop project 1969 Camaro - 327, bone stock family heirloom...soon to be LS/T56, Ridetech, all the goodies |
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#158 | |
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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
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#159 |
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Join Date: Oct 2017
Location: Laredo, Texas
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
I installed the Holley Black hearts mounts with a stock C10 trans crossmember and Speed Engineering headers. All fit well, driver side 1/8” grind on the bracket but didn’t need to. Stock truck pans fits fine just a little rub on the steering shaft and below crossmember, if you’re not lowering the truck you’ll be ok. I can shim the brackets up 1/8” to 3/16 and it’ll be fine. But I’ll probably switch to CTSV oil pan because I have it. The bolts that came with the brackets don’t even cover the brackets well. Heard someone here they now provide some diffrent mount bolts.
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#160 | |
BMW & ASE Master Certified
Join Date: Feb 2004
Location: Houston, Texas
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1987 Silverado - L83 5.3 w/ 6L80e ,A/C,P/W,P/L,TILT, HID projectors, Wilwood C-10 Pro Spindles w/ 2018 silverado front brakes & C-5 Corvette Rear Disc Brakes 1999 BMW 528i - 5.7 LS1 w/ 4l60e, Ford 8.8 IRS w31 spline posi & FX-r projector retrofit New project: 2006 BMW x5 6cyl AWD to L83 6l80e 4wd to 2WD / RWD A poor man buy's it twice finally got my domain name back, 87chevy.com.... site rework in progress |
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#161 |
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Join Date: Oct 2017
Location: Laredo, Texas
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Just reference points to who ever was thinking about the truck oil pan. Plenty of room to shim up with the 4l80e. Don’t know about other transmissions. Still running stock low tunnel. Ditching the Tejas and other mounts. These look like the way to go for my personal LT5 setup as they work for LS/LT swaps. Even fitted the stock AC bracket and compressor.
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#162 |
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Join Date: Oct 2017
Location: Laredo, Texas
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Just reference points to who ever was thinking about the truck oil pan. Plenty of room to shim up with the 4l80e. Don’t know about other transmissions. Still running stock low tunnel. Ditching the Tejas and other mounts. These look like the way to go for my personal LT5 setup as they work for LS/LT swaps. Even fitted the stock AC bracket and compressor.
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#163 |
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Stick your CTS pan on and all the clearance problems will disappear.
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ClusterTruck: 68 C10 Bought in 89, wrecked in 03. Slow low $ rebuild started '17. 6.0 & TKO http://67-72chevytrucks.com/vboard/s...d.php?t=788602 93 K1500 Short Step, 350, NV4500, EBL flash ECU. Vortec heads & roller cam someday... 05 Jeep Wrangler Unlimited. 3” lift & 6-speed 02 E320 the insurance total “free car” 13 Tahoe LTZ |
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#164 |
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Join Date: Oct 2017
Location: Laredo, Texas
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Engine angle 3 degrees back, truck pan clears with just about 1/2”. Still hangs below crossmember about 1.75”. If you have stock height truck you shouldn’t have a problem. Of course the CTSV plan will clear. I still have about 3/4” of tunnel clearance with the 4l80e.
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#165 |
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Join Date: Mar 2011
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Toddoky- the instructions show the hanger for the mufflers bolting to the crossmember! Does this come in the kit? Along with the other hangers not show with the kit??
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#166 |
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Join Date: Jul 2015
Location: Bowling Green, KY
Posts: 264
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Yes, all the required hangers are included in the kit. If they are not in your kit, you'll need to place a call to Holley Customer Service to get it remedied.
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#167 | |
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#168 | |
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#169 | |
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
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#170 | |
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#171 |
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
I have no way to give you a reliable answer to that question as I have no involvement with the production side of the business. I do know from experience however that parts have ended up back in inventory far in advance of the dates posted on the website. Covid would most likely have had an impact on our production operations as is has with most other industries.
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#172 |
Almost Satisfied
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
check my build thread for more...1971 Stepside LS Build
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1971 C10 Stepside. LSx 6.0 with BTR Stage IV, Speed Engineering Headers, 4L80e transmission w/3200 Circle-D Stall. 3.73. Posi. Purchased this truck when I was 17. I started the rebuild (or take apart) in 1993. I have drug it around all over the country in pieces. Finally back on the road in 2021. "I can't complain, but sometimes I still do. Life's been good to me so far." |
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#173 |
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Join Date: Jun 2015
Location: Carlos MN
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Looks very nice. I would move the right hand exhaust pipe to the right a bit from the trailing arm opening just a bit more.
Again looks very cool. |
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#174 |
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Join Date: May 2018
Location: Grand Haven, mi
Posts: 269
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Re: Hooker Blackheart 1967-72 C10 Truck LS/LT Swap System Info Thread
Seeing we can not purchase these can you tell us what mandrel bends for the over axle tail pipes we need to buy so we can make our own ?
I have been on the waiting list with Holley for 2 estimated shipping dates now and they never ship and I have waited months now for one and the next round is almost 5 months out, they told me before that 5 were in the works and I was # 3 on the list but they never get shipped and this is the last piece of my build that I needed to buy. |
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#175 | |
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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
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