LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

What all is needed to go to 355ci?

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Old Mar 24, 2005 | 02:52 PM
  #16  
pillagenburn's Avatar
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Re: What all is needed to go to 355ci?

crap, i was abotu to say - a 4 bolt shortblock for $1500 no core charge would be sweet....

ah well .... anywhere you can get a pre-assembled LT1 shortblock for $1500? no core :P
Old Mar 24, 2005 | 03:47 PM
  #17  
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Re: What all is needed to go to 355ci?

Originally Posted by 30696bird
What I should have said is...........I wish that's what I would have done. I spun a bearing November of 2003, spent 8 months building what I have now. That being said this is how the conversation went with the old lady........" I can rebuild it for $500.00 BUT I wanna have a little more power" So I told her I would probly spend about $2000, then I told her $2500, then $3000, then I jumped straight to $5000, it ended up being right at $7500 and I'm still not where I wanna be (never will be ) So my point is once you get a little power you'll want more so you mine as well do it right the first time. At the time I REALLY had a $2000~ budget but as you can see I went WAAAAAY over that, if I would have known I was gonna spend $7000+ I WOULD have went 383..........oh well to late now! That's just my .02.
Thats exactly what I was getting at. I know exactly what your talking about and I feel your pain, bro.

Originally Posted by disco192
According to your profile, I see that you are shooting for 450 rwhp through an A4 with LE2 heads. That is quite a feat. I have a 383 M6 with LE2 heads and a 236/242 cam and im shooting for 430. Stock ported heads dont support enough flow to make that much power in a 383. You wont make much power over 6200 rpm, so 450 rwhp seems a bit high. Not to rain on your parade, just giving you a heads up that its a little far shot.

.
I know. I've been meaning to change it to "dreaming".I knew I was going to get hit on that sooner or later. And the 6200RPM, Thats exactly what Lloyd said I'd puke out at. I was told that close to 400 RWHP is more realistic so we'll just have to see, but I am trying to be positive!

Originally Posted by Injuneer
You are still missing the point. I am in no way criticizing the fact that you put a new water pump in, or that you bought the best possible parts. I'm in 100% agreement with you, do it once and do it right (go look at my mods list if you don't believe that).

I am simply saying that your response was misleading, since it appeared to respond to 30696bird's comment about "It only cost a few hundred $$ more to go 383". He was right.... a "correctly done" 383 is not going to cost much more than a "correctly done" 355. One may cost $3,000 and the other $3,500 if you go the "Golen" route, or it may cost $10,000 vs $10,500 if you go the "gold plated" route.....

Just trying to clarify for "searchers" who come across this thread that the parts and costs listed in your thread were not determined by the displacment of your engine.
Fred, I got the point. I agreed with you about the cost. After reading my post I know see how that it "sorta" makes sense. I never was good at getting things across, ask my Ex-wife To stand corrected , by Fred , I can see how it was misleading.One thing is for sure, your gonna spend money with these LT1 engines. I often wondered how others said it only cost them a 1500 to completely rebuild. Either they are lying and don't want to admit what they spent or they cut corners, they had too. My brain only seems to function as more, more , more so maybe they are doing just an overhaul, something which seems a waste, FOR ME. My car is not my main source of Transpportation, .I could have easily gone another 20k+ before rebuilding but I just plain got bored with it.Besides there wasn't much left to bolt on and I wasn't lookiong for the tremendous horsepower increase that comes from stickers so I had to go into the engine. I felt compelled to spend all that money I had saved over the past year
Old Mar 24, 2005 | 10:07 PM
  #18  
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Re: What all is needed to go to 355ci?

fgreenmachine...it costs you almost 900 dollars for machining?????????????? dear god, i can get it done for 56 bucks...including hot tank, bore, honing, slaying the block for 4 bolt caps.
Old Mar 24, 2005 | 10:43 PM
  #19  
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Re: What all is needed to go to 355ci?

Originally Posted by LT1 Bunny
fgreenmachine...it costs you almost 900 dollars for machining?????????????? dear god, i can get it done for 56 bucks...including hot tank, bore, honing, slaying the block for 4 bolt caps.
56 bucks?
$100 bucks to clean and chase threads and cook the block.
$35 Clearance Block on mill
$150 Bore w/ plates
$200 4 bolt caps conversion
$150 Align bore
$100 purchase and install cam bearings, freeze plugs, etc.
The engine builder has a great reputation so maybe I am paying a little more but probably no more than a 100 extra, I'll have to look at my receipts closer, somehow I came up with 900 but still, I am a long ways off of $56. I could ship to your machine shop and have the work done, shipped back to me and still be ahead. Did you mean $560?
Old Mar 24, 2005 | 11:47 PM
  #20  
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Re: What all is needed to go to 355ci?

I just got done doing a 355. I'm still using the stock crank and rods. SRP Pistons. Machine work $550, Pistons & Rings $500ish, ARP Bolts (Rods,Crank, Heads)$150-$200, Misc Supplies.. It's really not that expensive, now if you are going to replace the crank and rods, go to a 383.

On mine I lightend the valvetrain up a little, compression was bumped up a little (12.5 to 1), new cam, heads worked on again..Just keeps adding up. Not to mention a different converter now.. Oh, and I race it at the track just about every weekend.
Old Mar 25, 2005 | 09:47 AM
  #21  
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Re: What all is needed to go to 355ci?

negative green machine, that was a 56 dollars. It's 8 dollars per cylinder. He's a nice guy and does not charge me to hot tank. Anything else will be extra. He did the machining for my bracket motor and I built it. Runs very strong with 100 miles on it already. That block cost me...225? I'll find out when I get back home.
Old Mar 25, 2005 | 10:04 AM
  #22  
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Re: What all is needed to go to 355ci?

I can't believe he charged you $56 for 4 bolt conversion. I can't find anywhere to do it for less that $550 just for the machining of the 4 bolt conversion or splayed mains. Then the caps are not cheap either. A splayed main setup will end up costing $800.
Old Mar 25, 2005 | 03:55 PM
  #23  
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Re: What all is needed to go to 355ci?

I added in the assembly to get the higher figure. $300 to assemble. I don't have the tools or the time.

Originally Posted by 1-bad-z28
I can't believe he charged you $56 for 4 bolt conversion. I can't find anywhere to do it for less that $550 just for the machining of the 4 bolt conversion or splayed mains. Then the caps are not cheap either. A splayed main setup will end up costing $800.
....I know what you mean about the 4 bolt splayed caps. I, instead, used regular 4 bolt caps. I won't be revving the hell out of it as the cam will be out of power around 6200 RPM. I did stud the mains though so that should help a little more .

Originally Posted by LT1 Bunny
negative green machine, that was a 56 dollars. It's 8 dollars per cylinder. He's a nice guy and does not charge me to hot tank. Anything else will be extra. He did the machining for my bracket motor and I built it. Runs very strong with 100 miles on it already. That block cost me...225? I'll find out when I get back home.
... Sounds like a hell of a nice guy!! Wish I knew someone like that. When you say $225, are you talking about the purchase of another block other than the one originally with the car. I bought a used block of Ebay so I could still drive me car until I was ready to do heads. Then I tore it up but by then it was Early November and the snow was gonna be flyin soon anyway.
Old Mar 25, 2005 | 05:36 PM
  #24  
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Re: What all is needed to go to 355ci?

Alright thanks for the help guys so probably 4-6k or more for a decent build up and it'd probably be wiser to go 383 anyways. Now... say you just rebuild a 350, how much would that cost. Mines running great and i have no intention or need, just curious. I saw a kit on summit for 500, you need that, gaskets, and machine work of course. how much wil lthat usually end up running?
Old Mar 25, 2005 | 06:46 PM
  #25  
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Re: What all is needed to go to 355ci?

Not to hi jack the thread or anything... but I want to build a 355 and strap on a blower or turbo... just not adding the turbo/sc right away... save up for that because that would be crazy.

I just want to forge my rotating assembly so it can handle the boost set to like 12 psi? You think thats a stupid idea? Because I just had the valvetrain replaced completely...
Old Mar 26, 2005 | 07:09 AM
  #26  
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Re: What all is needed to go to 355ci?

Originally Posted by pHEnomIC
Alright thanks for the help guys so probably 4-6k or more for a decent build up and it'd probably be wiser to go 383 anyways. Now... say you just rebuild a 350, how much would that cost. Mines running great and i have no intention or need, just curious. I saw a kit on summit for 500, you need that, gaskets, and machine work of course. how much wil lthat usually end up running?
This is the link for the kit. It is mostly complete minus cam , lifter and timing components. The gasket set looks to be complete The pistons are forged and once you get your crank turned I am sure you tell them what undersize bearing you need. I would think a complete stock rebuild could come around 2k as long as you keep it a "stock" rebuild. You'll need to resize your rods and have new hardware installed. Don't re use your rod bolts, cheap insurance with the new ones! You'll want to refreshen the heads also, depending on how many miles you do have on them.
Old Mar 26, 2005 | 07:11 AM
  #27  
94zgreenmachine's Avatar
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From: Oshkosh, Wisconsin
Re: What all is needed to go to 355ci?

Originally Posted by pHEnomIC
Alright thanks for the help guys so probably 4-6k or more for a decent build up and it'd probably be wiser to go 383 anyways. Now... say you just rebuild a 350, how much would that cost. Mines running great and i have no intention or need, just curious. I saw a kit on summit for 500, you need that, gaskets, and machine work of course. how much wil lthat usually end up running?
Edit: I forgot the link in the last post

http://store.summitracing.com/defaul...rchType=Engine


This is the link for the kit. It is mostly complete minus cam , lifter and timing components. The gasket set looks to be complete The pistons are forged and once you get your crank turned I am sure you tell them what undersize bearing you need. I would think a complete stock rebuild could come around 2k as long as you keep it a "stock" rebuild. You'll need to resize your rods and have new hardware installed. Don't re use your rod bolts, cheap insurance with the new ones! You'll want to refreshen the heads also, depending on how many miles you do have on them.
Old Mar 26, 2005 | 07:16 AM
  #28  
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Re: What all is needed to go to 355ci?

The link didn't work. I see it comes with plastigauge, if you wanna gamble on it use it. Pay for someone with the "proper" tools to assemble. While there are those that say they haven't had any problems using it, it isn't ideal for a performance rebuild and todays engines run tighter clearances and they last a hell of a lot longer, just my .02 on platicrap, I mean plasti gauge
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