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Discussion Starter · #1 ·
Hey everyone,

Anyone install a new Gen V LT5 or even a LT4 dry sumped motor? I have been looking at SBC, LS, LT options and obviously it is easier to make power and reliability with a crate LS or LT motor cheaper than a SBC.

My main focus will be more road course and street use rather than drag racing. So, the dry sumped LS/LT's seem to be the best bet.

Anyone out there use a Gen V LT or LS with dry sump and any real cons of using these new motors? Any difficulties installing them? Can you offer any install advice?

I am likely going with a new LT5 crate motor.

thanks,
Dave
 

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The LT5 will be an expensive venture. Not a lot of aftermarket support as yet. I don’t know if they even make headers or accessory drives that will work with a 1st Gen.

You can get the same power with an LS3 and a whipple or even and ZL1 take off blower for way less than 1/2 the cost. And tons of aftermarket support.

At least at this time that’s the way I would go.
 

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Discussion Starter · #4 ·
So far, Holly makes all the swap parts(headers too) but, you still need use the dry sump pan and and mount the dry sump tank. GM sells all the hoses so, you can use all the hose ends and make you own hoses pretty easy. They already make a flash and pulley change but, thats it. As I can see, the only difference between LT4 and 5 is the height of the supercharger being 2.5" taller so hood space may be tight. I will be able to get a motor and ecu for much cheaper than advertised but, still pricey over all. That being said, it's the price of a real high end SBC.

Yeah I hear you on the LS route. I m strongly considering it but, the allure of a crate motor is nice. I would likely never upgrade it any further than stock. I mean maybe a pulley but, over 755hp is enough. I just want reliability. No tuning or anything. Plug and play(some fab work is ok). I'm not sure I want to build or have a motor built.
 

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Discussion Starter · #8 ·
Yes, I always kill a Cheetah before I start a winter project. It is how I stay warm 😁 All

kidding aside, that is a designer snuggy that I wear when it's chilly..(my mother in law gave it to me, lol)

Yup, I can't wait. it's going to be fun!
 

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1967, SS / RS Convertible - First restoration.
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Yes, I always kill a Cheetah before I start a winter project. It is how I stay warm 😁 All

kidding aside, that is a designer snuggy that I wear when it's chilly..(my mother in law gave it to me, lol)

Yup, I can't wait. it's going to be fun!
Any updates? How did it go? Any unexpected costs, anything we should look out for?
 

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Discussion Starter · #10 ·
Any updates? How did it go? Any unexpected costs, anything we should look out for?
It's going. As one would expect, it been taking longer than I wanted. I have been collecting parts for months and everything is very delayed. Its impossible to buy something that doesn't have a 5 to 10 week lead time.

I decided to go all in and build a pro touring car. So, full DSE front subframe and rear quadralink with mini tubs too. Ford 9in rear, Vintage air, full Hooker header and exhaust, Stoptech 6 and 4 piston brakes with floating rotors, C&R radiator, carbon fiber hood with 2" cowl, new wire harness and the list goes on and on. I'm basically dizzy and broke, lol but, it's happening. I still need to order wheels and other odds and ends. I should have some updated pictures soon.
 

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If I’m not mistaken, you’ll have to notch the subframe and have some fab work for the alternator, or was it the compressor. I can’t remember, but it’s in the V8 TV video. Lous change. I kinda caught my attention because there seemed to be some hesitation to notching that new DS subframe, but they may have revised that as an option by now.
That’s quite the ambitious project, but it looks like Your well under way!
 

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Discussion Starter · #12 ·
If I’m not mistaken, you’ll have to notch the subframe and have some fab work for the alternator, or was it the compressor. I can’t remember, but it’s in the V8 TV video. Lous change. I kinda caught my attention because there seemed to be some hesitation to notching that new DS subframe, but they may have revised that as an option by now.
That’s quite the ambitious project, but it looks like Your well under way!
Thanks, it's getting there. I been remodeling my house and just put a sub panel in my garage so, the car has taken a back seat for the last 8 months.

The Detroit Speed subframe has to be notched for the Compressor. Holley sells a nice compressor bracket and of course you need the aftermarket Power steering setup as the corvette had electric steering. It's a tiny notch, nothing to worry about. I bought the subframe "raw" to do fab work and then I will powder coat.

You have to notch the firewall a little to get clearance behind the motor, raise the tunnel for the T-56 and find a place for the dry sump tank. It's not really that crazy but, the time sure adds up.
 
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