LS1 in a C3
Thread Starter
Pro
Joined: Oct 2005
Posts: 623
Likes: 0
From: Chicago IL
Who's Pat? How far did Pat get? I think I remember reading a post(maybe his) that was posted a while back that said that he wants to use the side pipes. I guess that it's adaptable then. That's good. 
Drifting
Joined: Nov 2004
Posts: 1,971
Likes: 7
From: Longwood Florida
I have a LS1 C3
Un-conventional... CARB STYLE
... I could have injected it for the about the same cost... But I am different. And I get all kinds of Looks.
I spent about 6K on mine. I am out of cash now... so I am saving again. But it runs and drive (no hood) I have a power draw that I can't seem to find. I think the dome light... it has mind of its own.
Mine is mounted to the TH350 with a conversion bushing and flex plate from HUGHES. I got my converter from HUGHES ALSO 3000 stall 10in, S&P engine mounts, custom water neck...whole setup has been move about 1 inch from factory location. Modded driveshaft.
I am running a .581 lift comp cam also. With 6.0L heads (shaved) and 00 corvette block about 20K miles... f-body accessories, F-body oil pan, New style water pump 04 (i think), LS power steering pump (modded to work with factory C3 steering setup), C5 exhaust manifolds with MAD chamber exhaust. I am running factory radiator with LT1 F-body dual electric fans.
I just got a Brand New AEM holley 680 Double Pumper
FUN FUN FUN
I have more pics... I need to update my folder
Un-conventional... CARB STYLE
... I could have injected it for the about the same cost... But I am different. And I get all kinds of Looks.I spent about 6K on mine. I am out of cash now... so I am saving again. But it runs and drive (no hood) I have a power draw that I can't seem to find. I think the dome light... it has mind of its own.
Mine is mounted to the TH350 with a conversion bushing and flex plate from HUGHES. I got my converter from HUGHES ALSO 3000 stall 10in, S&P engine mounts, custom water neck...whole setup has been move about 1 inch from factory location. Modded driveshaft.
I am running a .581 lift comp cam also. With 6.0L heads (shaved) and 00 corvette block about 20K miles... f-body accessories, F-body oil pan, New style water pump 04 (i think), LS power steering pump (modded to work with factory C3 steering setup), C5 exhaust manifolds with MAD chamber exhaust. I am running factory radiator with LT1 F-body dual electric fans.
I just got a Brand New AEM holley 680 Double Pumper
FUN FUN FUN
I have more pics... I need to update my folder
Last edited by holley505; Jan 9, 2006 at 04:49 PM.
Thread Starter
Pro
Joined: Oct 2005
Posts: 623
Likes: 0
From: Chicago IL
Originally Posted by holley505
I have a LS1 C3
Un-conventional... CARB STYLE ... I could have injected it for the about the same cost... But I am different. And I get all kinds of Looks.
Un-conventional... CARB STYLE
... I could have injected it for the about the same cost... But I am different. And I get all kinds of Looks.
Originally Posted by holley505
I spent about 6K on mine. I am out of cash now... so I am saving again. But it runs and drive (no hood) I have a power draw that I can't seem to find. I think the dome light... it has mind of its own.
Mine is mounted to the TH350 with a conversion bushing and flex plate from HUGHES. I got my converter from HUGHES ALSO 3000 stall 10in, S&P engine mounts, custom water neck...whole setup has been move about 1 inch from factory location. Modded driveshaft.
I am running a .581 lift comp cam also. With 6.0L heads (shaved) and 00 corvette block about 20K miles... f-body accessories, F-body oil pan, New style water pump 04 (i think), LS power steering pump (modded to work with factory C3 steering setup), C5 exhaust manifolds with MAD chamber exhaust. I am running factory radiator with LT1 F-body dual electric fans.
I just got a Brand New AEM holley 680 Double Pumper
FUN FUN FUN
I have more pics... I need to update my folder
Mine is mounted to the TH350 with a conversion bushing and flex plate from HUGHES. I got my converter from HUGHES ALSO 3000 stall 10in, S&P engine mounts, custom water neck...whole setup has been move about 1 inch from factory location. Modded driveshaft.
I am running a .581 lift comp cam also. With 6.0L heads (shaved) and 00 corvette block about 20K miles... f-body accessories, F-body oil pan, New style water pump 04 (i think), LS power steering pump (modded to work with factory C3 steering setup), C5 exhaust manifolds with MAD chamber exhaust. I am running factory radiator with LT1 F-body dual electric fans.
I just got a Brand New AEM holley 680 Double Pumper
FUN FUN FUN
I have more pics... I need to update my folder
From checking out your folder, it looks greats. What year is she? Did you do all the work yourself.
Drifting
Joined: Nov 2004
Posts: 1,971
Likes: 7
From: Longwood Florida
I got lots of help on this one.
I did the carb to save the issues with the fuel system and computer system. (trying to be low tech) It worked but casued other issues...
Like with FI I could have used my stock HOOD! Oh Well I liked the looks of the L88 hood anyway... 500.00 dollars later and now I need to paint it and put it on... that will cost another 500-600 to do it right.
So I could have gotten the FI and computer for what I have in the hood and paint.
I went that way mostly to keep a CARB on a C3... I strongly considered a ZZ4 or ZZ383
But thought this would be cooler and just as powerful.
Besides driveability is better than any GEN I sbc could dream. Smooth and easy even with a nice size camshaft.
PEPOPLE will say I am STUPID for putting old TECH on a Modern engine.
I SAY THE HELL WITH YOU....
It is different and cool. And I have the only one!
I did the carb to save the issues with the fuel system and computer system. (trying to be low tech) It worked but casued other issues...
Like with FI I could have used my stock HOOD! Oh Well I liked the looks of the L88 hood anyway... 500.00 dollars later and now I need to paint it and put it on... that will cost another 500-600 to do it right.
So I could have gotten the FI and computer for what I have in the hood and paint.
I went that way mostly to keep a CARB on a C3... I strongly considered a ZZ4 or ZZ383
But thought this would be cooler and just as powerful.
Besides driveability is better than any GEN I sbc could dream. Smooth and easy even with a nice size camshaft.
PEPOPLE will say I am STUPID for putting old TECH on a Modern engine.
I SAY THE HELL WITH YOU.... It is different and cool. And I have the only one!
Heel & Toe
Joined: Jan 2006
Posts: 17
Likes: 0
From: BAKERSFIELD CA
gen 3 engine install
Originally Posted by DR'76
"VetteDan" @ Vetteworksonline.com is in the process of that transplant too... http://www.vetteworksonline.com/
Click on "Engine Mods"... his LT1 conversion in a '76 came out GREAT!
Click on "Engine Mods"... his LT1 conversion in a '76 came out GREAT!
im a gm tech and going to install gen 3 type engine in my vette.
unsure what type of engine managment system to use.
any help would be helpful. e-mail justkddn@***.net
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
Pat would be me,and yes you can get it to work,mine are tacked in place ready to be final welded tomorrow when i take them to work.It takes a bit of cutting and moving a few pipes around but it will work .You can buy the ls1 flanges right from the local dealer part # is 12480130 less then $50 for both sides.
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Burning Brakes
Joined: Mar 2002
Posts: 839
Likes: 0
From: Lewiston, Maine
Originally Posted by patsnitrovette
scooter70
budman78
70ls1
superjames
79ls1
and Me and i think one more too.
budman78
70ls1
superjames
79ls1
and Me and i think one more too.
Originally Posted by holley505
...PEOPLE will say I am STUPID for putting old TECH on a Modern engine. I SAY THE HELL WITH YOU....
It is different and cool. And I have the only one!
I SAY THE HELL WITH YOU.... It is different and cool. And I have the only one!
I'd do it. But this is coming from the guy who got to drive his dad's '63 Studebaker Avanti to high school. I like to be different. Hell, I might carburete my future LS_ engine and attach a centrifugal Paxton blower to the car, that would be different.
Drifting
Joined: Nov 2004
Posts: 1,971
Likes: 7
From: Longwood Florida
Originally Posted by 1969Vette383
Amen!
I'd do it. But this is coming from the guy who got to drive his dad's '63 Studebaker Avanti to high school. I like to be different. Hell, I might carburete my future LS_ engine and attach a centrifugal Paxton blower to the car, that would be different.Why thank you
Melting Slicks
Joined: Nov 2002
Posts: 2,231
Likes: 7
From: Fort Pierce Florida
Originally Posted by Demonic Possession
Does any know if I'd be able to use my side exhaust with an LS-1? I doubt it, but there HAS to be a way inorder to make it work, right? Them pipes are so damn sexy. 
I bought a brand new set of SS Hooker sidepipes and headers and gave them and the car with the body on it to a friend that's an awsome welder. He builds headers and cages for all types of race cars on a regular basis. He cut the primaries and welded some new bends in and the LS1 flange I'd bought. I had them re-polished and they look aboslutely gorgeous and stock. I was waiting to get my frame reassembled (body is off) before I took any pics. He also cut the frame on the bottom and welded a nice rounded piece in so that my O2 sensors would go under the car instead of sticking out the top of the sidepipes. I wouldn't go this route unless you REALLY want Hooker sideipipes though!!
A magnuson supercharger, a cam, and the LS6 heads I already have are gonig to be the only engine modifications.
Last edited by SuprJames; Jan 21, 2006 at 09:08 PM.
Le Mans Master
Joined: Jul 2001
Posts: 9,622
Likes: 16
From: absecon nj
"He also cut the frame on the bottom and welded a nice rounded piece in so that my O2 sensors would go under the car instead of sticking out the top of the sidepipes"
i basically did the same thing.mines cut just have to finish welding it up this week.I laready had fuel injection before so i had one sidepipes already with the 02 in it andmy frame cut so i just had to do the other side for the ls1.
i basically did the same thing.mines cut just have to finish welding it up this week.I laready had fuel injection before so i had one sidepipes already with the 02 in it andmy frame cut so i just had to do the other side for the ls1.
Melting Slicks
Joined: Nov 2002
Posts: 2,231
Likes: 7
From: Fort Pierce Florida
Originally Posted by patsnitrovette
i basically did the same thing.mines cut just have to finish welding it up this week.I laready had fuel injection before so i had one sidepipes already with the 02 in it andmy frame cut so i just had to do the other side for the ls1.
Burning Brakes
Joined: Mar 2002
Posts: 839
Likes: 0
From: Lewiston, Maine
What's required?
So let me get this right. Some LS1 engines can be had for $1500 correct? Then what else do I need? I know I need the motor mount adapter plates but those are pocket change compared to the engine itself.
What if I wanted to bolt an LS1 to my old M21 4 speed? Would I need a new bellhousing? How about my existing dual friction Centerforce clutch and flywheel assembly?
I could go with the Edelbrock carb intake manifold and reuse my Holley carburetor while making a few dollars back by selling the electronics. What am I missing that would be needed to swap over to an LS1 and make it work with my existing 4 speed?
What if I wanted to bolt an LS1 to my old M21 4 speed? Would I need a new bellhousing? How about my existing dual friction Centerforce clutch and flywheel assembly?
I could go with the Edelbrock carb intake manifold and reuse my Holley carburetor while making a few dollars back by selling the electronics. What am I missing that would be needed to swap over to an LS1 and make it work with my existing 4 speed?
Last edited by 1969Vette383; Jan 22, 2006 at 02:02 AM.
Le Mans Master
Joined: Sep 2000
Posts: 9,078
Likes: 7
From: DFW TX
Cruise-In VII Veteran
St. Jude Donor '07
Originally Posted by 1969Vette383
So let me get this right. Some LS1 engines can be had for $1500 correct? Then what else do I need? I know I need the motor mount adapter plates but those are pocket change compared to the engine itself.
What if I wanted to bolt an LS1 to my old M21 4 speed? Would I need a new bellhousing? How about my existing dual friction Centerforce clutch and flywheel assembly?
I could go with the Edelbrock carb intake manifold and reuse my Holley carburetor while making a few dollars back by selling the electronics. What am I missing that would be needed to swap over to an LS1 and make it work with my existing 4 speed?
What if I wanted to bolt an LS1 to my old M21 4 speed? Would I need a new bellhousing? How about my existing dual friction Centerforce clutch and flywheel assembly?
I could go with the Edelbrock carb intake manifold and reuse my Holley carburetor while making a few dollars back by selling the electronics. What am I missing that would be needed to swap over to an LS1 and make it work with my existing 4 speed?
New flywheel
Cut crossmember
Tach convertor
Extend PS ram 1"
Cut front coils springs
Electric fan
Misc. hoses
Electric fuel pump
That's about it. You may run into some linkage issues with the 4 speed. I would do alot of measuring first to make sure the trans is in the existing location.
