Anyone Done a Gen. 3 Hemi Swap on a C/10?
Really losing the desire to get my c10 on the road since it's been sitting a few months while I've been working on fitting a 31 gallon square body tank under the bed. 305 was running like a top and in great condition but man it is weak. TH350 shifts slow and smooth. Towing converter is too tight. Super disappointing to drive. Shamefully gutless. Probably slowest thing I've ever owned that ran. Only thing I think would get me back into it would be to make some decent power. I've liked the gen. 3 Hemi since it came out, especially since the head redesign in 2009-ish. Think the normal production 5.7 heads flow 330 cfm at .500" lift. Wondering if anyone has done this or if there's any adapters that could be made to work on these trucks. Thought about building a 454 but they weigh more than I want, especially over the nose.
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Why would you swap a dodge motor into a chevy? That's just asking for extra issues. If you want modern power, just do an LS swap, as there is way more support in terms of aftermarket parts and adapters for it.
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
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I have two old holden UTE shells, and over here the cheapest engine for swap/transplant is the V8 Lexus, so I have done quite a bit of research before deciding it is just not worth it to do an install, because of all the unforeseen costs. But if you can do the fabrication of the mounts, the exhausts and find a bellhousing / adapter plate, you should be about half way there, and I would love to see the result. |
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That is sweet sir! If you have the knowledge to do this then the repairing and stuff would be as easy as a LS would be. Dang that's sweet!:chevy: |
Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Do whatever makes you happy in the end, Hemi power like the 1 Boog posted very cool.... My only suggestion would be to make the brakes and suspension strong enough to handle the new rocket sled status.
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
You won't get many Chevy guys here to argue a 305 is a dull unit. That's why I have never owned a single vehicle that had one and never considered using one. But there is a whole lot of good driving pleasure to be had from the other small blocks. Thousands enjoy them every day. I have enjoyed 350s most all my life. Stock to bored & stroked pounders. If I wanted more without major modification GM has just the thing... the LS engines. Here is a comparison that gives good info:
https://www.google.com/url?sa=t&rct=...dWfUPBm5KNdAN- I don't see any reason to go swapping around to using power from another beast when you can have all you need within species. After looking at the non-biased video I think the LS is a better engine. |
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Everyone has a right to their opinion, of course. I’m sure the Hemi is a great little motor, sure sounds neato. My opinion is that I’d still prefer a stock 350 to any hemi.
There are plenty of folks on here that have swapped LS motors into older trucks - and some of us have them in newer trucks - and personally I’m pretty happy with the more than sufficient power of my LS, and the 300k miles I’ve put on it without ever having to take it apart. Perhaps there is user error involved somewhere, especially if you’re only getting 60k on a 5.3. Telling a good chunk of the membership that their motors are junk, especially compared to a different manufacturers is, well, an opinion. Doesn’t mean it’s right, no matter how adamantly it’s stated. |
Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
It's your truck and you can do whatever you want with it. Why anybody would put a Hemi in a Chevy truck is beyond me, but whatever. Hemi vs: LS HP and Torque numbers are similar.
I don't know why you have had so much trouble with LS stuff, you are one of a few. Just as a point of reference, my '01 5.3 Tahoe has 310K+ miles on it. Water pump went 256K, Alternator went 199K, transmission went 299K. Never had a valve cover off. Never had a starter or A/C compressor. Everything on it still works. It still uses less than a quart of oil in 5K miles and it's not black on the stick at change time. Towed trailers. Ran hard. Radiator tank cracked about 260K so I got a new one but the cooler fitting leaked. It was slipping on the way home one day and the fluid was like 3 qts low and black. I changed the filter and it went another 40K before it lost 4th gear at 299,956 miles. If I were you I would buy/build a decent Gen 1 small-block and put that in. It will be a lot less work than putting a Hemi in it. |
Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
I'm sure someone makes a way to get a hemi in a c10, if not like you say make your own. Its not rocket science. The trans cross member is a straight piece of square tubing. I would think the hardest part might be the wiring harness. But dodge guys are doing the same thing Chevy guys are doing with LS motors.
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Heres some info of a gen 3 into an A body. But they mention suppliers for aftermarket parts. https://www.hotrod.com/articles/ccrp...ne-swap-guide/
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Glad you all have got good service out of your LS engines. Just had a couple of lemons just really turned me off GM engines post '87. As you can tell, I'm still a little bitter. That being said my mother does currently have an Alloytec that I think is a fantastic little engine just a little too small for a 4000 lb pickup. Then again the little AWD car it's in probably ends up weighing about the same. HMMM, turbo Alloytec C/10? That may have to warrant consideration.
Anyone think a TPI on a 400 sbc would be decent? Not a standard TPI but with some decent aftermarket runners and a lower intake. An aluminum big block would be perfect but the price of the block is a bit more than I care to spend. Posted via Mobile Device |
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
This is like walking a fine line....
But I'll have to disagree with you on the LS being junk... I believe it to be one of the best designed engines out there... My 99 5.3 had 285k on it never turned a screw on that engine except replacing the waterpump...never even changed sparkplugs... I could go on and on about other LS engines I personally know have high mileage ....still going strong.. Like someone else stated..hotrod mag took a 4.8 and added turbo and a few other mods and cranked out 1200hp...and that engine came from a junkyard... To each his own though...I would be more impressed if you stuck the dodge motor in a old dodge sweptline or such.. then theres cost...the hemi swaps I've seen done are extremely expesive...you could build several LS's and still not equal the cost of a hemi swap |
Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
Anyone know anything about these aluminum blocks from Bill Mitchell Products? $5000 so a bit cheaper than Dart. Can't find weight for the Dart option but these are supposed to be just 140 lb.
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Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
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A fan of any swap that hurts feelings.
A good hi torque 383 will be light years ahead of that 305 that being said, a friend is doing a 5.0 coyote with a big x large whipple on top. Goals are 8.50's thru a liberty 5 speed. Should see the purists flip cant wait to see the bondo-bird fly again. |
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Those 5.7 hemis love to break valve springs and drop valves.
The only ls engines I would stay away from are 07-09 with AFM. Other than that, they are reliable. What issues have you had with GM trucks after 87? The LS engines didn't come out in the trucks until 99. The first year for the 6.4 truck hemi was 2014. Its gonna cost an arm and a leg to get one and then its gonna cost an arm and a leg to swap it in. Quote:
There is a reason people are swapping LS engines into anything they will fit in(fords, dodges, imports, etc.), they are easy to get big power, reliable, and smaller. |
Re: Anyone Done a Gen. 3 Hemi Swap on a C/10?
The beefier bottom end on an LS impresses me. Overall size is easier to work with, too. I have a friend who bought his way into piston slapper hell with GM only to end up with a blown motor. I understand how that would leave a bad taste. But judge them all by that, or slam the door shut on GM for 30 years of product is just shooting yourself in the foot from where I stand. I didn't like the GMT400 when they first came out, it sucked that they discontinued the Malibu/Monte Carlo/El Camino. Yeah, I wasn't real happy with where things looked to be going after '87. But in '92 after seeing several GMT400s put to the stress test out on jobs and taking it, I ordered a truck up. Went 22 years and 335k very reliable miles. It was still a nice truck ready for much more when I sold it. I just can't find any flaws in that.
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