383 + 2 x gt4788 =....
Thread Starter
Teching In
Joined: Sep 2010
Posts: 12
Likes: 0
From: Australia
383 + 2 x gt4788 =.... Gday guys,
I am almost finished with my 427 and 106mm build and have some spare parts that never got used or i changed the direction of the previous build.
Im looking to just have some fun and build something that i can just mess around in and have fun.
I have a fully built 383 LS1 that has been built to handle around 1000hp as it was my previous motor and had only done less than 5000 miles.
2 garrett gt4788's with .96 ar and a huge selection of fuel components, and intercooler cores laying around so i wouldnt have a huge outlay of money to start another play car.
Do you think the littlle 383 could spin the 47's up?
Im happy to use a bit of NOS and understand that i could make similar power with a single 47 but i have 2 spare and might aswell use whats there instead of leaving it in the garage to be forgotten about.
Cheers.
I am almost finished with my 427 and 106mm build and have some spare parts that never got used or i changed the direction of the previous build.
Im looking to just have some fun and build something that i can just mess around in and have fun.
I have a fully built 383 LS1 that has been built to handle around 1000hp as it was my previous motor and had only done less than 5000 miles.
2 garrett gt4788's with .96 ar and a huge selection of fuel components, and intercooler cores laying around so i wouldnt have a huge outlay of money to start another play car.
Do you think the littlle 383 could spin the 47's up?
Im happy to use a bit of NOS and understand that i could make similar power with a single 47 but i have 2 spare and might aswell use whats there instead of leaving it in the garage to be forgotten about.
Cheers.
383 would have enough on its hands with 1 GT4718 turbocharger, and should be full capable of 800rwhp through a TH400.
Still would be better off with our 390ci iron block setup vs. 383 with 5.7 alloy block waiting to crack.
Still would be better off with our 390ci iron block setup vs. 383 with 5.7 alloy block waiting to crack.
Just one GT 47-88 is more than capable to scatter your 1000 hp short block. You're looking at 130-140 lbs/min depending on how much boost. Late Model Racecraft runs two GT 47-88's on their drag radial car, it makes 2500-2800 horsepower. By the time you actually spool two of these turbos your powerband is going to be very short unless you are spinning it 8000-9000 rpm.
Thread Starter
Teching In
Joined: Sep 2010
Posts: 12
Likes: 0
From: Australia
I completely understand that it is going to be a pig to drive and wont be on boost until over 4-5000rpm. If it was to make boost around 5000-5500 rpm i would do it just for a laugh and to get some funny looks.
Im not out to shatter horsepower records im just looking at a cheap fun project as i have 80% of the things needed already.
if it was to make 800hp through a th400 i would be happy with that because the car i plan on throwing it in only weighs 2400lbs stock.
Im not out to shatter horsepower records im just looking at a cheap fun project as i have 80% of the things needed already.
if it was to make 800hp through a th400 i would be happy with that because the car i plan on throwing it in only weighs 2400lbs stock.
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Verdad Gallardo Here is a fellow Aussie that got it done with a 383!
https://ls1tech.com/forums/multimedi...-just-wow.html
https://ls1tech.com/forums/multimedi...-just-wow.html
Here is a fellow Aussie that got it done with a 383!
https://ls1tech.com/forums/multimedi...-just-wow.html
https://ls1tech.com/forums/multimedi...-just-wow.html
Looks good on a dyno sheet.
