custom442 said:
no one is even saying anything concrete. just throwing ideas out there. i was just labeling the 5.3 as a viable option.
LS1 or LT1
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no one is even saying anything concrete. just throwing ideas out there. i was just labeling the 5.3 as a viable option.
hey thanks guys for all your inputs but i do want a 5.7 350... 😀 okay lets forget about the budget part lets just say the engine i would end up spending less on, meaning the engine that is easiest to maintain over all, the engine that wont give me much problems.I have been looking in my local craigslist , i have noticed that the Lt1s go for way less than the LS1. the higher price of course for the LS1 because of material used and newer engine, but aside that there both good engines, but i wasn't sure if later down the road i would end up making that money up for parts i would have to buy for installation or on the engine in general...at the momment i just want to keep it stock, maybe do a bit of mods later on 🙂
oh yea one more thing anybody know avg. life span on each engine??
oh yea one more thing anybody know avg. life span on each engine??
Even if you found an LT1 and an LS motor for the same price, you would spend more on the LS motor swap because a)you would need to have the pan modified (no way in the world I would drive around with a truck pan that hung 2-3" below the crossmember), b)need swap headers or a set of manifolds that worked, c)the correct motor mounts, d) possibly something different with the converter (so everything meshes correctly with a TH350/400/etc.), and I believe e)some minor extra work to get the stock gauges to work with the LS motor. The LT1 you can bolt in place of any SBC, bolt up a set of SBC headers, and basically be done. For both engines you would have to have the fuel system modified for high pressure (and I believe a return line, you could use the tank vent), and you would need to have the computer tuned, probably parameters removed (security, trans control, etc.).
v8power said:
I was going to post that thread. good info. For direct fit mounts I heard john b is the man
He's also one of the go-to guys if you want to use an F-Body master cylinder for a hydraulic clutch setup.
Not trying to sound like a dick here, but I would strongly recommend an LT1 unless you've had the experience of swapping to a fuel injected engine. All this talk of 'building' these engines. You can make 400-500 hp with an LT1's block. So if it's modifications you're thinking of in the future, you'll be fine in that area.
as v8power said, the only real problem with these engines is their optispark sensors/controls, which if needed to be replaced can be very expensive.
But you can also work with an LT1, you can upgrade parts and pieces easily, and as doober said you can fit other types of transmissions, even a nice 6 speed tremec.
The LS1 is a new world, it's designed to work in a car that is controlled by a computer, needless to say the Gbody's weren't. Well it's your choice and an LS1 is cool, but unless you've got some big cash tucked away for your swap then....
I dunno I just like things I can do myself, and an LS1 isn't one of those trial and error swaps
as v8power said, the only real problem with these engines is their optispark sensors/controls, which if needed to be replaced can be very expensive.
But you can also work with an LT1, you can upgrade parts and pieces easily, and as doober said you can fit other types of transmissions, even a nice 6 speed tremec.
The LS1 is a new world, it's designed to work in a car that is controlled by a computer, needless to say the Gbody's weren't. Well it's your choice and an LS1 is cool, but unless you've got some big cash tucked away for your swap then....
I dunno I just like things I can do myself, and an LS1 isn't one of those trial and error swaps
TPI will cost less to build, it doesn't use special heads/intake/distributor/water pump 😉 I'd personally go with TPI over LT1 and drop on a set of Vortecs w/ a TPI Vortec base.
I'm with custom442 also, you're going to spend a good deal of money just on the parts to drop an LS-series motor in, not to mention the computer/wiring/tuning... even if you think "well what about those carbed intakes?", it costs just as much for a new intake/coil controller (not to mention the carb) as it does to have the harness/computer done. They're great motors, but an LT1/TPI will be much easier on the wallet to drop in, because it uses the same mounting points/exhaust as a typical SBC, and doesn't require a special oil pan.
I'm with custom442 also, you're going to spend a good deal of money just on the parts to drop an LS-series motor in, not to mention the computer/wiring/tuning... even if you think "well what about those carbed intakes?", it costs just as much for a new intake/coil controller (not to mention the carb) as it does to have the harness/computer done. They're great motors, but an LT1/TPI will be much easier on the wallet to drop in, because it uses the same mounting points/exhaust as a typical SBC, and doesn't require a special oil pan.
I remember reading a magazine article (Chevy High Performance??) where the TPI was referred to as "the best truck engine GM ever made". :lol:chevyss415 said:
If you've driven them in stock form you know what I'm talking about. They make great low-end torque and mid-range but fall on their face at about 4000 RPM. The intake is designed for torque with long skinny runners. The LT1, on the other hand, is more of a tunnel ram design. They tend to have more top-end power. There's nothing wrong with TPIs but dollar for dollar LT1 will usually come out on top.
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