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07-16-2020, 02:00 PM | #26 | |
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Re: Resale Value - LS vs SBC
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great compression, runs fantastic and runs good oil pressure. You can get great deals on SBC or inline 6s because of all the people LS swapping. I don't understand why people think a modern drive train is needed to daily drive one of these. They were daily driven back in the day & still do a fine job of today with the original engines.
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67 C10 283 T5 swapped longbed fleetside = wife's daily driver 67 C20 292 (originally a 250)4speed longbed fleetside w/original wooden bed=my project truck 67 C10 283+.060 (so a 292 as well)T5 swapped longbed fleetside=my DD 72 C1500 Sierra Grande 350 TH350 longbed fleetside=wife's fair weather truck Can you tell we are fans of longbed fleetsides & 67s Chris |
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07-16-2020, 04:19 PM | #27 |
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Re: Resale Value - LS vs SBC
Great thread. I swapped my rebuilt and cammed SBC because it was reaching tired status again...for an LS. Really excited about the LS but it's a ton of work. I took the time to rebuild and replace seals, pumps, timing chain, port and polish heads, clean and paint my LS so I (or the next person) doesn't have to touch it again. I can just enjoy it.
I would have left the SBC if the rebuild was fresh enough and just added an EFI on top. |
07-17-2020, 09:23 AM | #28 |
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Re: Resale Value - LS vs SBC
Thanks for all the feedback everyone. A lot of good points brought up and a lot to consider. At this point, we're going to see if we can get out of the SBC/TH400 what we want. If we can't, we will probably keep it and make some upgrades such as Edelbrock PF4 or Holley Sniper EFI and maybe an overdrive trans.
I won't be disappointed if we stick with the 383. It is well built and with an overdrive trans and EFI it should run quite well. If we go that route, we will probably aim to keep the truck more original. I've seen a lot of nice-looking 67-72's in black that look fairly original. I watched Dazed & Confused years before I bought my 68 and the black Cheyenne in that movie really caught my eye. That and project Copperhead of course. I have an itch to do a Gen V LT swap into something and there are other opportunities for that. I've been keeping my eye out for an OBS (88-98) pickup because my dad wants one so that might be the better opportunity for it. Especially if we end up with the one we're looking at tonight which has a V6 with a manual trans.
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1964 Chevy C10 - Gen IV 5.3 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=768632 1968 GMC C15 - Gen III 6.0 Restomod http://67-72chevytrucks.com/vboard/s...d.php?t=772047 1969 Chevy C10 - Restoration http://67-72chevytrucks.com/vboard/s...d.php?t=809184 1978 Chevy Scottsdale K20 1993 Chevy C1500 - 5.3/T56 swapped 2008 Silverado Duramax |
07-17-2020, 09:42 AM | #29 |
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Re: Resale Value - LS vs SBC
I’m going with an LS 6.0 and a 4L80e in my Grandfathers old 59 gmc. Reason being is I like the reliability and how easy they’re to work on and to maintain (IMO)
I wanted to originally stick to the 270, but I will be driving the old gmc places it’s never went to now and hope that the truck will turn out like I wanted it to
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1971 GMC Sierra 1959 GMC 100 |
07-17-2020, 01:11 PM | #30 |
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Re: Resale Value - LS vs SBC
I think as a group, we all put "too much" engine in our old junk.
I get the low mile gen 5 LS idea, but why? The truck may be driven 20k-50k miles over the next 10 years. For my money a sub $1000 junk yard 150k mile truck LS and 4L60 is more than reliable enough drive train. Of course you want to clean it up a put new gaskets on it. Even SBC, everyone builds a brand new SB to drive 2000 miles/year. Why? If you have an engine that isn't tired/burning/leaking oil/etc......DRIVE IT and wear it out...then debate the swap. My $.02 |
07-17-2020, 02:47 PM | #31 | |
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Re: Resale Value - LS vs SBC
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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07-17-2020, 03:24 PM | #32 |
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Re: Resale Value - LS vs SBC
The SBC is the 6 banger of yesteryear. It used to be a surprise to see a 6 under the hood if you were humming along at 75mph. Now it's beginning to be a shock to see it with a 350...
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1982 K10 SWB 1987 V20 - Sold - Doh! |
06-08-2023, 03:00 PM | #33 |
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Re: Resale Value - LS vs SBC
Great thread. My recently acquired 68 has the original 6 that needs a rebuild. It's hard to justify putting 2k into the original motor just because it's original, and when I probably won't even be able to take it on the freeway for more than a few miles at a time without listening to it screaming. Dropping $6k on an ls swap also seems over the top. I think I'm going to just go the sb route, for now at least, just so I can get it on the road and enjoy it.
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06-08-2023, 04:06 PM | #34 |
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Re: Resale Value - LS vs SBC
I got six years out of a $100 SBC 350. When it threw a rod through the block in three places, I chose to build an L31 Vortec, because that's what I wanted. If you're building it to sell, that might be different, but with the prices these trucks bring today, I'm not sure that's true.
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06-08-2023, 05:04 PM | #35 | |
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Re: Resale Value - LS vs SBC
Quote:
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1971 Chev C10 - 250ci L6 w/3 speed on the floor Upgrades: Power Steering 3 Core Radiator 7 Hole Gauge Cluster Power Brakes (Incoming!!..) 1971 350 (Incoming!!..) |
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06-08-2023, 07:13 PM | #36 | |
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Re: Resale Value - LS vs SBC
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Are they old school? All my others are carbed & I drive them 'year-round'.
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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06-08-2023, 10:00 PM | #37 |
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Re: Resale Value - LS vs SBC
I totally agree with what kwmech said!
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06-09-2023, 02:37 AM | #38 |
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Re: Resale Value - LS vs SBC
Restomod and stock restoration are two different categories. IMO the restomod appeals to a larger audience. Seems to go back and forth on the want. If a stock restoration is done it needs to be real good to get top dollar as buyers will be much more informed. Other buyers will be looking for an inexpensive vehicle they can drive and wrench on.
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Richard 1972 K10 Custom Deluxe SWB Fleetside My build https://67-72chevytrucks.com/vboard/...d.php?t=800746 Last edited by Richard; 06-09-2023 at 02:45 AM. |
06-09-2023, 08:37 AM | #39 | |
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Re: Resale Value - LS vs SBC
Quote:
Back in the day, I loved the big block and there was no "replacement for displacement". When gasoline was less than 50¢ a gallon, it was nothing to burn 2-3 tanks on a Saturday night. They were tuned for max performance at high RPM, but at an idle, would burn your eyes if you stood too close. With the advent, and subsequent perfection of the computer controlled engine and powertrain, the HP came back without the excessive fuel consumption. The engine in the '67 I bought was shot, I had an LS1 that had been sitting in my shop for several years and it became the perfect candidate for a replacement. Of course, what started as an intention for a simple "swap and drive" has turned into a full blown resto-mod project. The LS1 came from a wrecked '02 TransAm WS6, so it's kinda in the category of "high performance" already. It will remain "bone stock" (except for some tuning). No need for supercharger or turbocharger for un-necessary power or a rumpety thumpety idle. It will have overdrive transmission, and late model cruise control (thanks to some very helpful members of this forum). It will have much more power than it had originally, hopefully some decent fuel mileage (if I can keep my foot light on the skinny pedal) and good driveability/reliability. And, as others have stated, it comes down to a matter of personal choice. I still have 3 other 67-72 including 2 Blazers that all still have the Gen 1 SBC and will likely stay that way.(for now) The LS swapped trucks bring insane money......my 2¢.....Carry on
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. Last edited by A1971Blazer; 06-09-2023 at 08:44 AM. |
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06-09-2023, 09:16 AM | #40 |
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Re: Resale Value - LS vs SBC
Lots of opinions. I'll add mine from the buyer point of view.
If I see anything with a stock truck 4.8 or 5.3L I don't even bother reading. There is usually a huge premium attached to anything that has an LS swap and I have no interst in a fuel injected 280-330hp worn out truck engine. Now if someone has done some work to it and has the ability to prove it, that another story. Plus as previously mentioned most swaps are poorly done. A lot of weekend warriors and "professional shops" are hacks and I don't trust the quality of work done. So it's rare to see something done well.
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1972 Cheyenne Super 20 Custom Camper 12 Valve Cummins/5spd manual 1972 Cheyenne Super Short Bed 557 Med Olive DK olive 1970 K5 Blazer Dark Gold 1966 Coronet 440 35k mile survivor 1991 Suburban 2500 454/4L80E 2wd 1985 Monte Carlo SS 383 Sbc, t-56 magnum 6spd and Ford 9" |
06-09-2023, 09:22 AM | #41 | |
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Re: Resale Value - LS vs SBC
Quote:
and I hate wiring that looks like an explosion in a spaghetti factory...
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1967 C10 Step side 1968 C10 Step side 1970 Chevrolet K/5 Blazer 1972 Chevrolet K/5 Blazer ............. |
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06-09-2023, 12:10 PM | #42 |
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Re: Resale Value - LS vs SBC
The drivability, fuel mileage and power of a modern LS makes them a keeper.
I am quite positive my LS1 pollutes less grams per mile than any 6 cylinder of the 70's. Nothing makes me happier than reaching into the cab and hitting the key and it takes off and runs, and idles down as it warms up. Sure I like a stocker, but I appreciate my LS more. Each his own. |
06-09-2023, 01:24 PM | #43 |
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Re: Resale Value - LS vs SBC
If I were younger, I might personally take on an LS swap for my truck, but I wouldn't have increased resale value in mind. And I doubt I'd buy a used 67-72 truck with an LS engine unless it was professionally done by a real shop that's been in business a long time. There are simply way too many of those swaps that are poorly done.
Two years ago I sold an 82 C10 with a very nice 355/TH350 to a guy who spent around $15K on a LS and trans swap. Two different shops and nearly a year later the swap was done, complete with an oil and exhaust leak. Who knows what else wasn't done right? I'm sure he's found several things by now. Also, when I helped a friend build up an LS6 for his 55 Chevy car a few years ago, I found some bad and out-of-date information on the Internet and even in a How-To book. I have to wonder how many guys are using outdated info and parts.
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Mike 1969 C10 LWB -- owned for 35 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, AAW wiring harness, 5-lug conversion, 1985 spindles and brakes. 1982 C10 SWB -- sold 1981 C10 Silverado LWB -- sold, but wish I still had it! 1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming. Retired as a factory automation products salesman. Worked part-time over the years for an engine builder and a classic car repair shop. Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then! Last edited by MikeB; 06-09-2023 at 01:32 PM. |
06-09-2023, 01:46 PM | #44 |
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Re: Resale Value - LS vs SBC
I went back and forth on whether to LS or not on my truck. I ended up staying with the SB. A good condition and maintained SB runs smooth and reliable does not leak and is very reliable. So is a LS. A LS is more efficient but it will take a lot of miles to recover the cost. So if it takes 50k miles to recover, remember you simply recovered money you could have used for something else. You drive 50k and did not improve your bank account just broke even.
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06-09-2023, 04:40 PM | #45 |
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Re: Resale Value - LS vs SBC
I'm a LS guy. But to be of better value than SBC it has to be done well. I'm not a pro mechanic but I've done 10 or so LS swaps into various cars, trucks and Wranglers. My engine builds are some what mild. I don't buy 200K and trannys. I do all the installs myself. I try to clean up the wires so they mostly hidden.
Comparing my 68 C10 LS6/T56 swap to an identical truck with a SBC I think the LS truck bring more money IMO. This is how I like LS engine compartments. |
06-09-2023, 06:49 PM | #46 |
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Re: Resale Value - LS vs SBC
Depends on your ability to keep a carburetor working correctly with the new fuel blends.
Seems like every time I drive mine, it needs a power valve and accelerator pump.
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