What's to keep you from putting an SBC block in?
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Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
Lost? Did you read the thread?
I was asking about putting in a LARGE 400+ ci gen 1 block and using LT1 PCM/opti/f.i. for very easy emissions passing.
Where did you get lost? I never said your idea was anything even remotely close to what I wanted to do. It's as if you are responding to stuff in another thread.
I was asking about putting in a LARGE 400+ ci gen 1 block and using LT1 PCM/opti/f.i. for very easy emissions passing.
Where did you get lost? I never said your idea was anything even remotely close to what I wanted to do. It's as if you are responding to stuff in another thread.
Registered User
Joined: Sep 2004
Posts: 1,152
From: Wyoming
Re: What's to keep you from putting an SBC block in?
If your talking building a low comp motor for boost then I don't see need to run 396 or more cubic inches...depending on your power goals. Would be a lot easier to build a 396 lt1 and will still make a ton of power on boost if done right. Not sure on how you would keep it emissions legal...wonderful Wyoming has no emissions laws.
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From: Hell was full so they sent me to NJ
Re: What's to keep you from putting an SBC block in?
Why do you need an LT1 to pass emissions? Totally incorrect. There are any number of ways to build a fuel injected Gen 1 engine that will pass emissions easily. There are ways to build a Gen 1 SBC that will make huge HP with a blower, without being 454ci. This one had a 383ci Dart Iron Eagle Gen 1 SBC, and made 1,350HP at the flywheel. But I guess you wouldn't be interested because it wouldn't pass emissions..... 
You're getting a lot of sarcastic remarks because the entire logic of your project is totally screwed up.
PS - There are people running 427ci LT1's. They just sleeved the block.
http://www.injuneer.com/images/Videos/GeorgeBax 876.WMV
You're getting a lot of sarcastic remarks because the entire logic of your project is totally screwed up.
PS - There are people running 427ci LT1's. They just sleeved the block.
http://www.injuneer.com/images/Videos/GeorgeBax 876.WMV
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Joined: Feb 2010
Posts: 172
Re: What's to keep you from putting an SBC block in?
Lswho im not lost buddy at all but maybe you are. You said you wanted to run a Opti crap in a gen 1 block with all kinds of custom brackets and this and that. I suggested running an ls computor and coils on your dream gen 1 block for the reason it works much better than the old opti.
You then replied with something to do with cubic inches.......... im no *** so i dont assum i know what the hell your talking about cubes for but i assure you that an ls ignition will work great on most aplications.
go take your medication and keep focused....
You then replied with something to do with cubic inches.......... im no *** so i dont assum i know what the hell your talking about cubes for but i assure you that an ls ignition will work great on most aplications.
go take your medication and keep focused....
Thread Starter
Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
Why do you need an LT1 to pass emissions? Totally incorrect. There are any number of ways to build a fuel injected Gen 1 engine that will pass emissions easily. There are ways to build a Gen 1 SBC that will make huge HP with a blower, without being 454ci. This one had a 383ci Dart Iron Eagle Gen 1 SBC, and made 1,350HP at the flywheel. But I guess you wouldn't be interested because it wouldn't pass emissions.....
You're getting a lot of sarcastic remarks because the entire logic of your project is totally screwed up.
PS - There are people running 427ci LT1's. They just sleeved the block.
http://www.injuneer.com/images/Videos/GeorgeBax 876.WMV
You're getting a lot of sarcastic remarks because the entire logic of your project is totally screwed up.
PS - There are people running 427ci LT1's. They just sleeved the block.
http://www.injuneer.com/images/Videos/GeorgeBax 876.WMV
With OEM PCM/opti I can pass emissions WITHOUT THE SNIFFER. With what I'm talking about doing it would be a gas cap test and PCM check. No emissions worries and I can have the tune set for optimum power at all times.
The thread question is CAN IT BE DONE? I knew I'd get nothing but flack about why not to, I just wanted to know if it can be done.
The boost application probably wouldn't happen if I did this. It would more than likely be NA. That post earlier should have said possibly low CR.
Lswho im not lost buddy at all but maybe you are. You said you wanted to run a Opti crap in a gen 1 block with all kinds of custom brackets and this and that. I suggested running an ls computor and coils on your dream gen 1 block for the reason it works much better than the old opti.
You then replied with something to do with cubic inches.......... im no *** so i dont assum i know what the hell your talking about cubes for but i assure you that an ls ignition will work great on most aplications.
go take your medication and keep focused....
You then replied with something to do with cubic inches.......... im no *** so i dont assum i know what the hell your talking about cubes for but i assure you that an ls ignition will work great on most aplications.
go take your medication and keep focused....
Retaining as many stock parts as possible and having a large cube motor I guess is a stupid idea
Last edited by LSWHO; Nov 4, 2010 at 02:02 PM.
Registered User
Joined: Jul 2002
Posts: 1,942
From: Kissimmee, Fl, USA
Re: What's to keep you from putting an SBC block in?
With OEM PCM/opti I can pass emissions WITHOUT THE SNIFFER. With what I'm talking about doing it would be a gas cap test and PCM check. No emissions worries and I can have the tune set for optimum power at all times.
The thread question is CAN IT BE DONE? I knew I'd get nothing but flack about why not to, I just wanted to know if it can be done.
The boost application probably wouldn't happen if I did this. It would more than likely be NA. That post earlier should have said possibly low CR.
I said the whole idea of doing this is to KEEP the opti and stock PCM. There's no point in swapping an SBC with an LS computer when at that point an LSx swap would be cheaper. To me it sounded like you said to use the LT1 block and LS PCM for ease, because an SBC swap with LS PCM is worse than my idea IMO.
Your idea is worse than what I'm talking about, which is retarded in itself. I know this. Just wanted to know if it can be done.
Retaining as many stock parts as possible and having a large cube motor I guess is a stupid idea
The thread question is CAN IT BE DONE? I knew I'd get nothing but flack about why not to, I just wanted to know if it can be done.
The boost application probably wouldn't happen if I did this. It would more than likely be NA. That post earlier should have said possibly low CR.
I said the whole idea of doing this is to KEEP the opti and stock PCM. There's no point in swapping an SBC with an LS computer when at that point an LSx swap would be cheaper. To me it sounded like you said to use the LT1 block and LS PCM for ease, because an SBC swap with LS PCM is worse than my idea IMO.
Your idea is worse than what I'm talking about, which is retarded in itself. I know this. Just wanted to know if it can be done.
Retaining as many stock parts as possible and having a large cube motor I guess is a stupid idea
Anyway, enjoy...
Thread Starter
Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
I'm just confused about your need to keep the LT1 computer. The LS1 computer from later cars won't announce itself to a scanner...it's just another OBD2 computer. What you could have asked is can you make a SBC OBD2 compliant so the scanner at the IM shop can read it. The answer then is simply yes....use the EFI connections ignition setup, with a FI setup..you don't even need the one from an LT1 to work with...a carb manifold fitted with injectors,a TB , a maf and all the other sensors would do the trick. I imagine you could just lift everything from a Vortec engine and apply the LS computer to it....
Anyway, enjoy...
Anyway, enjoy...
This is the only thing I was unsure of hence the question. I have no idea what they will read at emissions, but I know they check the PCM history, emissions codes, engine off command and gas cap. That's about all I know. If there is an aftermarket computer that can do it then that's fine. But at that point is where I'd scrap the entire thing because now it's probably not worth dealing with, similar to the LS PCM on gen 1 SBC. Too much when I can just do a LS swap.
This is a pipe dream anyway. I'd more than likely never do it, I was just speculating.
Thread Starter
Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
The purpose of the thread was to find out why it can't, if it can't. The first quote you put of mine was assuming it can't be done.
I assumed it can't be done since it hasn't been. There are plenty of stroker guys out there with stock PCM/opti. So why haven't they done this for even more cubes?
I assumed it can't be done since it hasn't been. There are plenty of stroker guys out there with stock PCM/opti. So why haven't they done this for even more cubes?
Thread Starter
Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
If I ever do a swap more than likely it'll be a big block. Nothing else seems truly worth it in the long run. Which, I know, is what they are saying, but I wanted to satisfy my curiosity and find out if it could be done. Still seems like a cool idea to me and if I had extra money I probably would just to do it, but oh well.
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Joined: Nov 1998
Posts: 71,094
From: Hell was full so they sent me to NJ
Re: What's to keep you from putting an SBC block in?
When they plug the computer into your car for an emissions check, they are looking for 1) trouble codes = fail; 2) systems "not ready" = usually 2 or more will fail you; 3) probably want the VIN in the PCM to match the VIN on the registration. The check will not tell them that you are running an Opti.
Visually, do you really think the average inspection tech has the slightest idea what an Opti is, or what it even looks like? You can hardly see it from the top of the engine.
Note that the 30th SS convertible in the clip I linked has a valid NJ inspection sticker in the corner of the windshield, right below the shoe polish car #. Where there's a will, there's a way.
Visually, do you really think the average inspection tech has the slightest idea what an Opti is, or what it even looks like? You can hardly see it from the top of the engine.
Note that the 30th SS convertible in the clip I linked has a valid NJ inspection sticker in the corner of the windshield, right below the shoe polish car #. Where there's a will, there's a way.
Thread Starter
Registered User
Joined: Apr 2007
Posts: 927
From: Az
Re: What's to keep you from putting an SBC block in?
When they plug the computer into your car for an emissions check, they are looking for 1) trouble codes = fail; 2) systems "not ready" = usually 2 or more will fail you; 3) probably want the VIN in the PCM to match the VIN on the registration. The check will not tell them that you are running an Opti.
Visually, do you really think the average inspection tech has the slightest idea what an Opti is, or what it even looks like? You can hardly see it from the top of the engine.
Note that the 30th SS convertible in the clip I linked has a valid NJ inspection sticker in the corner of the windshield, right below the shoe polish car #. Where there's a will, there's a way.
Visually, do you really think the average inspection tech has the slightest idea what an Opti is, or what it even looks like? You can hardly see it from the top of the engine.
Note that the 30th SS convertible in the clip I linked has a valid NJ inspection sticker in the corner of the windshield, right below the shoe polish car #. Where there's a will, there's a way.
They literally didn't even pop my hood last time I did emissions so I'm not worried about what it looks like under there. It's really like I said to pass without issue or worry.
Thanks for your help. I appreciate that you can give me a lot of info, call me an idiot and not come off like a jerk, and I'm being serious.
Thanks!
Last edited by LSWHO; Nov 4, 2010 at 06:58 PM.
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