383 Build Cost
On The Tree
Joined: Dec 2008
Posts: 100
Likes: 0
From: Kingman Kansas
Idk what the deal was but the local mechanic ran a pcm serial number check with gm and it was a police interceptor package. I guess it had to do with the police camaros they use to have. It was like an extra 28 horsepower and 30 some torque. Thats just what they told me. The timing was advanced, i know that. Its getting dynoed right now with the 383 so it dont matter. My 383 was godly expensive yes but i did everything that you could do. My price involved all the labor and dynoing. I would go with the 383 if i were you, the iron block just takes away the originality from a Fbody i think.
I've got a Chevy High Performance where they built a carb'd 383 w/ AFR 205's and the thing made like 560hp with like a low 230's cam. So the potential is there for a 383. Stay with the aluminum though, I never get why people go to iron block, I would think that the weight savings in the front end would be worth the aluminum.
I've got a Chevy High Performance where they built a carb'd 383 w/ AFR 205's and the thing made like 560hp with like a low 230's cam. So the potential is there for a 383. Stay with the aluminum though, I never get why people go to iron block, I would think that the weight savings in the front end would be worth the aluminum.
TECH Apprentice
Joined: Nov 2005
Posts: 308
Likes: 0
From: ne ct summer,naples in the fall
sorry...but i know of four friends in two different states....four out of four engines took a **** in less then a year...all had main bearing problems...all had their engines installed by top rate shops....three different shops... four different cars...96 firebird , 96 lt4 vette, 01 vette and 00 ss camaro.
sorry...but i know of four friends in two different states....four out of four engines took a **** in less then a year...all had main bearing problems...all had their engines installed by top rate shops....three different shops... four different cars...96 firebird , 96 lt4 vette, 01 vette and 00 ss camaro.
I can't fathom how you know four people who had our shortblocks, two LT engines and two LS engines, they all had main bearing problems and happened to be your friends and all used great shops for installation and had the same failure in the same timeframe. That's a really odd set of coincidences that merits looking into. I'd love for you to pm me some information on that situation so that I can look into it.
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Last edited by Scoggin Dickey; May 14, 2009 at 01:00 PM.
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I kinda agree. I know a 383 is 25 cubes short of a 408 but if that nets 10 hp i would be surprised. I think the biggest thing about having a 408 is the bigger bore so you can use the rectangle port heads. but if your short on money and want to reuse your block you can't go wrong with a 383. Alot of people use them and make big power with them.
I've got a Chevy High Performance where they built a carb'd 383 w/ AFR 205's and the thing made like 560hp with like a low 230's cam. So the potential is there for a 383. Stay with the aluminum though, I never get why people go to iron block, I would think that the weight savings in the front end would be worth the aluminum.
/\ I think we can all agree that a 402 would be nicer to have, but I will end up with a 347/383 for one reason, that if I try to use my current H/C combo I will have a dog of a 402. Can you imagine what a 402 with PRC 5.3 heads, a 224 cam and an LS6 intake would be like? The beauty of a 383 is that everything I have on my current motor can be reused without much worry.
Tony Mamo @ AFR had a mean *** 383 in his vette, very "mild" builds with not so mild results that can be easily repeated:
https://ls1tech.com/forums/dynamomet...-included.html
https://ls1tech.com/forums/dynamomet...-included.html
Tony Mamo @ AFR had a mean *** 383 in his vette, very "mild" builds with not so mild results that can be easily repeated:
https://ls1tech.com/forums/dynamomet...-included.html
https://ls1tech.com/forums/dynamomet...-included.html
/\ I think we can all agree that a 402 would be nicer to have, but I will end up with a 347/383 for one reason, that if I try to use my current H/C combo I will have a dog of a 402. Can you imagine what a 402 with PRC 5.3 heads, a 224 cam and an LS6 intake would be like? The beauty of a 383 is that everything I have on my current motor can be reused without much worry.
See, when I built my 383 I had the same train of thought you did. I will save money by reusing parts, and since my parts I have now won't really be optimal on a larger engine I will build a smaller engine. Thats where I fucked up. I was on a budget at the time and didn't have the money for better heads, a better cam, or a better flowing intake at the time. Well now I do, except the heads I want won't work on the block I have, and I'm not about to drop $3600 on some MAST heads. So I screwed myself longterm by thinking the way you are.
I'm not knocking you, if you have your heart set on a 383 then go for it. I just wish I thought things out better when I blew my 346.
383 Im building my 383 right know and ill have the whole thing completed with full tune around 4,500 thats with scats roatating assembley,ported and polished 243's, ls6 intake exc... if u take your time you can most deffinetley get your cost around there ,it took me a year and a half but i also saved 1000's of dollars, its just finding the deals. Also i dont know what that guy was talkin bout with buildin the 408 and ull regret doing the 383. my brothers N/A 02 ss 383 is a daily driver that runs 10.60s in the quarter. U will be happy with a 383 just have a knowledgeable tech do your work.
Matt
Matt
So you're going to limit your future potential based on what you have now? Smart idea... Sure, that 402 may be undercammed with a 224 cam, but you can change that later. Same thing with the heads and intake.
See, when I built my 383 I had the same train of thought you did. I will save money by reusing parts, and since my parts I have now won't really be optimal on a larger engine I will build a smaller engine. Thats where I fucked up. I was on a budget at the time and didn't have the money for better heads, a better cam, or a better flowing intake at the time. Well now I do, except the heads I want won't work on the block I have, and I'm not about to drop $3600 on some MAST heads. So I screwed myself longterm by thinking the way you are.
I'm not knocking you, if you have your heart set on a 383 then go for it. I just wish I thought things out better when I blew my 346.
See, when I built my 383 I had the same train of thought you did. I will save money by reusing parts, and since my parts I have now won't really be optimal on a larger engine I will build a smaller engine. Thats where I fucked up. I was on a budget at the time and didn't have the money for better heads, a better cam, or a better flowing intake at the time. Well now I do, except the heads I want won't work on the block I have, and I'm not about to drop $3600 on some MAST heads. So I screwed myself longterm by thinking the way you are.
I'm not knocking you, if you have your heart set on a 383 then go for it. I just wish I thought things out better when I blew my 346.
