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Re: LT1 GenV swap
Was excited and then bummed at the same time about the L83 swap headers from speed engineering. E-mailed them and asked what did they mock them on, what mounts.. basically LS swap headers with L83 flange. I've already bought all the exhaust bends, custom flanges and collectors so I wont ne buying them. Based on their reply, passenger side will should look like this:
https://imagizer.imageshack.com/img922/695/MJoMjh.jpg And didn't snap a picture of the driver side cause it just wouldn't bolt flush, hit the frame. So I would be curious if someone buys them and posts up how it fits. Got the electric fan shroud all cut out and mocked up, just need to break it down and fully weld it. Took a 19" 600 watt PWM fan , rigged up a surfacing fixture and used a router to make the edge pretty flat. Pleased how it turned out, now the cooling portion of the swap will operate like factory. Tested it and man it moves some air! https://imagizer.imageshack.com/img921/2499/I2bQui.jpg End is near.. planning on October ish hopefully. |
Re: LT1 GenV swap
Is the gen 5 wider/angled differently? Mine fit like magic (gen3):
http://67-72chevytrucks.com/vboard/s...8&postcount=71 |
Re: LT1 GenV swap
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They mentioned having the motor 1" rear offset.. I have my motor pushed back as far as it could go, mount brackets close to vacuum pump and compressor. https://imagizer.imageshack.com/img923/6638/WkFx46.jpg Clint |
Re: LT1 GenV swap
Designed a forming tool, got tired of grinding and test fitting. Got it pretty dam spot on..
https://imagizer.imageshack.com/img921/9015/PijseR.jpg https://imagizer.imageshack.com/img923/9559/5UDYu7.jpg This Saturday, I plan on getting the driver side header done. I've got the flanges, and starter tubes made so it's time to get these made! Clint |
Re: LT1 GenV swap
https://imagizer.imageshack.com/img922/2407/1n8Yc6.jpg
https://imagizer.imageshack.com/img922/8918/HelKss.jpg Got all the tubes to about 3/4 tall which is the thickness of the MDF flange I'm using for mockup. Need to make 12 more starter tubes , 4 for the other side and 8 for the other set and put an ad on Ebay. With the starter tubes should make it stand out and hopefully sell quick since it makes it easy for the fabricator. Need to recoup some costs of the header build. Clint |
Re: LT1 GenV swap
Looks like that forming die worked real nice...;)
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Re: LT1 GenV swap
Very nice work
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Re: LT1 GenV swap
Re did the header mockup, got a little more room and made it closer to equal length as I could.. wasn't trying for it, but turned out good. No special spark plug wires required:)
https://imagizer.imageshack.com/img924/9341/ebaLSo.jpg https://imagizer.imageshack.com/img924/2630/SKa7o3.jpg These plumbing caps work great if u needed to purge a tube.. I dont have that setup, be nice but works good for leak testing... just drill a hole in the middle of the bolt and connect a hose to it. I made one, just need to find it. https://imagizer.imageshack.com/img922/4186/1UQHD5.jpg Also, if you take it apart and have some BMW n62 valve cover bolts laying around (I'm a BMW Master tech, and just happened to have a few old ones in my tool box), you can take the rubber grommet off, push the bolt out, shorten the sleeve and presto, tight fitting insert that can be pushed into the small disc end so it can then be used to mount/hold a tube to the mockup MDF flange. Just snug the bolt to the flange and test fit till it grips the tube. Wrapping tape around a bolt and washer works too.. https://imagizer.imageshack.com/img923/9365/91DDED.jpg https://imagizer.imageshack.com/img923/3081/yp3Mex.jpg |
Re: LT1 GenV swap
Slow progress, but 2 tubes fully welded, 3rd all tacked and ready to be welded. Ran out of time tonight.
Fits pretty good https://imagizer.imageshack.com/img924/7848/nJWy95.jpg Time got divided between another project. Got a good deal on a set of the Wilwood c-10 pro spindle kit. With hours of research and cad work and think I got a working setup. 330mm x26mm /13" x 1.25 rotor on the C6 Corvette calipers. Corvette rotors wont work on these massive hubs. Got another rotor in mind that only requires a small mod. It looks like it may not clear my 17" torq lite American racing wheels.. they did a goofy stupid inner barrel design and it has such an angle it makes putting wheel weights on a bear.. so if the 13" setup doesn't fit, just gonna use the larger 350mm / 13.7" rotor and c6 caliper. Clint |
Re: LT1 GenV swap
Almost done with the driver side :)
https://imagizer.imageshack.com/img924/9408/aMJG1b.jpg https://imagizer.imageshack.com/img923/9646/743IZW.jpg Clint |
Re: LT1 GenV swap
Excellent work Clint
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Re: LT1 GenV swap
Got a little side tracked but now back on track.
Wilwood c-10 pro spindles with 328mmx30mm rotor and the dual 52mm piston PBR gmt900 caliper from 08+ trucks. Phew, successfully successful in mockup! I have about 1/8 of room between the caliper and rim/wheel weights. https://imagizer.imageshack.com/img924/103/IzUpxw.jpg https://imagizer.imageshack.com/img923/2566/tqryaw.jpg https://imagizer.imageshack.com/img922/5909/e1Szx7.jpg If I had larger than 17" wheels I could have done the 350mmx32mm rotors but dont so didnt... Clint |
Re: LT1 GenV swap
nice build thread. subscribed! is there an easier way to swap in the LT1 gen V engine and transmission? is it so new that the aftermarket hasn't caught up yet? Are there any issues with this swap? Who makes a LT1 GenV harness? are there Adapter plates to mount the motor? who flashes the PCM's to operate in a standalone? the reason im asking these question is because ive done a few LSx Gen 3 and Gen swaps. im trying to stay abreast with this information.
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The LT1 Gen V is a different animal imo. I used the BRP swap headers and they fit perfect. Dirty Dingo have some swap stuff for the swap specific to 63-72 c10’s. The demand isn’t real big yet, so many items are pricey. I know of a guy that did my harness, again, pricey but he was an excellent source for info. One huge hurdle I had was a different year of trans, that stumped a lot of tuners. We finally got that resolved tho. I am by no means even an amateur at these swaps but, I am willing to tell you what has worked for me so far. Btw, truck is running and driving, just doing some minor tweaks before calling it done. Good luck! |
Re: LT1 GenV swap
@clyde65 and 87chevy.com, thanks for your replys. I have a friend, that has a friend, that trying to move a motor. I'm just looking at time and energy factor. I can easily swap in another gen III and Gen IV and call it a day. it ma
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Re: LT1 GenV swap
Driver side just needs the collector diameter shrunk down to 2.5" before welding itto the header but other thanthat, driver side is done.
https://imagizer.imageshack.com/img921/7986/zX94rY.jpg Final tube fit great after fully welding it .. phew https://imagizer.imageshack.com/img924/5076/T6ke2M.jpg https://imagizer.imageshack.com/img922/7687/vY4Jwu.jpg Fits great around the motor mount, knock sensor shield and stock linkage https://imagizer.imageshack.com/img922/755/H6svlX.jpg https://imagizer.imageshack.com/img921/6379/hUVchY.jpg Gonna take the collector to work and use the shrinking cone to see if I can have one less weld... Clint |
Re: LT1 GenV swap
Really nice work
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Re: LT1 GenV swap
Made the mock up passenger side header, not as easy as I thought, but not to bad.
https://imagizer.imageshack.com/img922/127/M4BhAB.jpg One down, 3 to go.. Clint Knocked out one more https://imagizer.imageshack.com/img922/972/8cOtIJ.jpg Got the first 3 bends cut out for #1 and the. Called it a day.. as difficult as #1 looks, is easier to work with than #3. I'll go about it the same way once tube #1 is all tacked up I weld the starter tubes to the flange. Afterwards I will surface it aka belt sander it flat. Install the flange and start tacking the 3 tubes to the flange, then tack the tubes at the collector. All that's left is to remove the header and fab tube #2. I do wish I had bought a double hump crossmember though.. maybe I'll just mod the one I already made.. or just leave it |
Re: LT1 GenV swap
Ran out of argon.. but before I did, managed to get most of the header tubes fully welded to the flange, and got the final tube chopped out and tacked up.
https://imagizer.imageshack.com/img921/4324/3r8ujX.jpg Almost... almost.... |
Re: LT1 GenV swap
Your dedication is inspiring
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Re: LT1 GenV swap
Not the standard swap progress, but progress....
Stock https://imagizer.imageshack.com/img924/7912/kkxJ9O.jpg Somehow terrible shot of the knucle/spindle https://imagizer.imageshack.com/img924/1156/yenAk6.jpg https://imagizer.imageshack.com/img924/5112/XcOMTF.jpg https://imagizer.imageshack.com/img924/7236/dV7C6g.jpg Clint |
Re: LT1 GenV swap
What spindle? Is that a C5 hub?
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Re: LT1 GenV swap
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Clint |
Re: LT1 GenV swap
Passenger side header finished
https://imagizer.imageshack.com/img921/4970/m89d9w.jpg https://imagizer.imageshack.com/img924/122/eKWX9W.jpg https://imagizer.imageshack.com/img923/4747/7yhhd2.jpg Accessories reinstalled, new waterpump gaskets and painted the p/s pump https://imagizer.imageshack.com/img924/8438/fVQl89.jpg https://imagizer.imageshack.com/img921/4841/pWDVdC.jpg Few more things to wrap up before a test drive. Waiting on some stainkes braided brake lines from Tobin over at Kore3, reinstall the efan, find a crimper or make a die to crimp the fan terminals and a few other little things. |
Re: LT1 GenV swap
radiator fan reassembled after paint - ready to be reinstalled
https://imagizer.imageshack.com/img921/5337/A3aqaS.jpg Stock trans lines shortened with compression to an fittings added since the summit racing 37 degree tool just couldnt seem to get a good looking flare on the steel line.. didnt want to buy another 120$ tool.. One tip, when test fitting lines with rubber and clamps, cut a spare section and slit it so the hose goes on with no resistance and then hose clamp it.. make it so much easier to r/i. https://imagizer.imageshack.com/img921/2087/TReljW.jpg Another tip is if you have a 45 degree fairing tool kit, the first step in the 45 degree process makes a nice bubble flare.. the size can be tweaked by how much its tightened down https://imagizer.imageshack.com/img921/5316/BEBHll.jpg Finally finished with the transmission lines for the second time! https://imagizer.imageshack.com/img923/1381/nvsXSd.jpg I used a few nut-certs to install it to the core support About time for final reassembly of the sheet metal, fluids, brake lines and fan wiring. The delphi 59 double crimper puts a nice crimp on the 8ga wire, but I imagine it's not enough force for a proper crimp (which will cause resistance, which causes heat, which causes fires) so I will solder the crimp too.. cant seem to find a affordable crimper. Clint |
Re: LT1 GenV swap
Anyone interested in a L83 swap harness, 525$shipped with exchange harness only have one, been trying to sell it local no one with cashola...
https://imagizer.imageshack.com/img922/8899/Wr8kjS.jpg Thanks, Clint |
Re: LT1 GenV swap
Wrapped up some little odd and ends, transmission line bracket, and harness bracket by the ac compressor and re did the electrical panel..
https://imagizer.imageshack.com/img921/2456/C6aOV0.jpg https://imagizer.imageshack.com/img921/8780/rpLtBe.jpg Clint |
Re: LT1 GenV swap
Made some progress and went backwards a bit. After putting all the other engine bay stuff in, the passenger front ran out of room, pretty dang cluttered and with my choice in artery, it's in the way of the stock coolant reservoir..
https://imagizer.imageshack.com/img923/2517/JHFoNM.jpg I had to raise the battery tray up 1 inch because of the bigge battery and my projector headlights So, separated the battery tray again and folded it the other way. https://imagizer.imageshack.com/img921/1861/g76OeX.jpg I should have done this mod for the LS swap... oh well.. trying to find a clean battery distribution setup.. it doesn't look like the first picture.. I've got a part on the way to solve 2 cables.. relocated another and I'm down to 2 at the battery but still got the fan wire to add... Machined down the frame brake line fitting adapters. There not designed for frame rail thickness. Mine are now :) https://imagizer.imageshack.com/img923/4807/y9w3EY.jpg Used my homemade mini "lathe" powered by my drill press, bolt and an o-ring.. sounds sketchy, but it wasn't and it worked great. Just need to spray paint the groove since its steel and it will rust otherwise. I could have made a sheetmetal bracket and welded it to the frame but this was my first choice and worked :) and was less work Clint |
Re: LT1 GenV swap
Low side a/c line assembled and needs to be crimped. The ac crimper I have doesn't have #12 reduced barrier dies so I need to get a shop to take care of that and then the a/c is done!
I reused the low side hose from the 2015, way more flexible than standard barrier hose. https://imagizer.imageshack.com/img924/7835/2aEZxR.jpg Got side tracked on another idea, and looks slick! https://imagizer.imageshack.com/img924/2108/fw4Iyq.jpg https://imagizer.imageshack.com/img922/9691/3TKdax.jpg More than likely going to paint the emblem black to match the one on the cab trim. Was looking for a smooth flat center cap for a subtle mod to accent the brake upgrade. Clint Tried to scrape off the orange sticker but it was a paint of some sort.. little acetone took the orange right off.. wonder if OE are the same? https://imagizer.imageshack.com/img922/8403/mRdS44.jpg |
Re: LT1 GenV swap
https://imagizer.imageshack.com/img921/6760/tm91Y4.jpg
https://imagizer.imageshack.com/img922/8527/U4qxbW.jpg Got a deal on flowmasters through work so decided on trying out the Supper 44, dual 2.5 inlet single 3 outlet https://imagizer.imageshack.com/img921/5627/ny88cA.jpg Planning on installing NNBS tire carrier so wanted the exhaust to tuck close to the frame, got plenty of room except by the brake line bracket.. may just relocate that one if it comes down to it. Added a v-band to the muffler to tailpipesection, and waiting on another u bend to get here so I can aim the exhaust out the side. Overall pleased how it sounds right now. Clint |
Re: LT1 GenV swap
Started to follow. Sorry I am so late!
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Re: LT1 GenV swap
Nice work and you’ve shared some good tips in there too. I really like the one about the split hose for checking line fitment. Good idea. Curious about the mini lathe too. What did you use for the cutting tool?
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Re: LT1 GenV swap
Just a dremel tool with a metal cutting bit was used to make the groove wider.
Clint |
Re: LT1 GenV swap
Made more progress, we ended a 5/8 bung to the aluminum intake tube, measure and plotted the bracket for the power distribution box, chopper it out and finished welding the battery tray.
https://imagizer.imageshack.com/img922/7672/LYFl7L.jpg https://imagizer.imageshack.com/img924/6851/pjJ6lL.jpg https://imagizer.imageshack.com/img923/3346/UMIvFr.jpg Need to make the power cables and the time to put the hood back on!! Ran a few wires, need to order literally 2 terminals I forgot on the last order https://imagizer.imageshack.com/img922/6355/FQrtJT.jpg] Not done with the power wires but close. Will finish em off with some zip tie separators once the other terminals get here. Clint |
Re: LT1 GenV swap
Finished with the power cables, fuses, terminals and nuts came in all at the same time :)
https://imagizer.imageshack.com/img921/743/ZaVfaS.jpg Sorted out the junction block location.. last minute placement was the best! https://imagizer.imageshack.com/img924/6685/CVKSe7.jpg Need some red heat shrink to finish off the battery cables but the end is near for the swap portion of the build. Game plan is to enjoy it for a few hundred miles and then get it painted finally. Been wanting to paint it for years.. |
Re: LT1 GenV swap
Installed the new dorman hood release cable.. old, possibly original didnt like being reshaped...
Product rating pooo... firewall seal grommet is not the right size, no way to make it seal.. wound up just cutting a slit in the 30 yr old original and wrapping it over the cable...cable is smaller than stock .. majority is sealed up anyway. https://imagizer.imageshack.com/img924/3887/2LryIT.jpg Almost cant tell what was done but with the battery on the driver side, the hood release cable just didnt look right at home anymore... Needed something and I happened to have some nylon fuel line stuffed away. Threaded it to 3/8, cut the bolt head off to make a stud, installed the stud, cables, nut and then this nylon holder. Simple thing to hold the hood release cable and clean it up instead of it just dangling. Clint Mocked up the dodge gauge to the sender in the upper rad hose adapter.. it didnt read what the ecu was displaying... could be the aftermarket sender, or the 12yr old gauge.. gonna vacuum bleed it again this week and retest.. sure wish summit would send the gm coolant reservoir already.. dang mfg drop ship.. |
Re: LT1 GenV swap
Touchdown.. finally
https://imagizer.imageshack.com/img924/4858/ATWQ8q.jpg PCV lines mockup finished, and damn I'm pleased with the fit and finish. Gonna wrap it with braided loom to give it a finished look. https://imagizer.imageshack.com/img921/2231/MwIh8n.jpg https://imagizer.imageshack.com/img921/7940/T80wxD.jpg https://imagizer.imageshack.com/img924/8021/NATlAM.jpg Tidy up the last bit of wire looming, then slide the hood on. Ordered carpet from a site ove never ordered carpet from.. LUND is wack... called them to ask a simple question and they were like? We dont sell anything that old.. speedway had the best price on the carpet so I called them and they called their tech support, same as I did.. which means no sale to that brand :( I'm almost positive I bought that brand of carpet years ago and worked out just fine and still looks awesome.. oh well. Anyone needs a 2wd low hump black carpet, I got one collecting dust. Another thing I noticed was the exhaust sounds different with the PVC connected to the intake, before once up to temp, the muffler would have this unpleasant tin-ie sound... it doesn't have it anymore after the PCV was connected. Not sure why or how it influenced it but glad it doesn't have that tin-ie sound resonating in the muffler Clint |
Re: LT1 GenV swap
And finally...
https://imagizer.imageshack.com/img923/5568/O6IaVc.jpg Put about 2 miles on her.. still got a wierd tuning issue as long tem fuel trim goes to -18 ish on both banks at idle, which makes idle sometimes unhappy... but short term is within 5% when it pulls that 18% of fuel. gen5 tuning is way different than my gen3 bmw.. Besides that runs fabulously! .. definatly gonna go through tires and gonna make me buy cal tracks as it's got some nasty wheel hop as it did before and with the 6l80 only makes it more obvious :) sponsor?? Anyone?? No freeway till I get the alignment and hood on but the exhaust sounds so far is. The brake upgrade feels rock soild.. Clint |
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