Okay folks, it's getting close to crunch time with the turbocharger...Had you thinking, huh?
Anyways, this project is still a little off from actually starting, but I now have most of the pieces in place for the project to begin.
4.9 turbocharger, stage one indicates that the turbo will be placed on an existing engine/transmission combo without an actual rebuild. I will be running no more than 6 psi of boost, and will try to get away with not using an intercooler. We'll see how it works out. I am well aware what this might mean for my engine and tranny, but I feel that it will be good for tuning purposes in the long run for the second stage...
The 4.9 turbocharger, stage two, will include the 4.9 liter Cadillac engine (4.5 was considered for a split second) with ported/polished heads and intake; possibly more cam; new moly-chrome piston rings and general rebuild specifications. Overall, the stage two engine will be pumping around 260hp/300lb.ft naturally aspirated. I will add about 8 psi of intercooled boost which will make the engine perform in the 360hp range...I hope.
The second stage transaxle will be rebuilt and bullit proof and I will attempt to have a 3.73:1 final drive ratio. I have to study the tranny more, but I hope I can make those aforementioned changes.
So back to stage one. I have the following items for this project:
GM-3 IHI 6.5 liter diesel turbocharger. It is used and will probably need a rebuild in the bearing area, but for $76.00, I couldn't pass it up. I'll let everyone know if it needs a rebuild or not when I get it next week via UPS.
I have the MSD boost timing controll system with an MSD digital-6 ignition. These items will help combustion and timing while under boost.
I have two Deville exhaust manifolds (front and rear) and a cross-over pipe. They need some welding and an adapter fabricated for the turbo to attach to, but this won't be an issue...I hope.
Auxiliary fuel system minus the actual controlls (piggy-back ECM). I am going to do one of two things here: use an old TBI system for extra fuel needs; or I will make a new fuel log and use two or more auxiliary fuel injectors for fuel needs. An extra fuel pump and some cutting will be necessary, but they're taken care of...Minus the cutting of the fuel tank.
I am going to go with the Megasquirt system for now, which will set me back by a couple hundred (actually $140.00 for the complete DIY kit)...Unless someone hacks the Caddy ECM before I purchase it.
Extra exhaust tubing. I have plenty around in the garage I have just rented. It shouldn't be an issue.
That's it for now as far as supplies. I will also add a bypass valve so that the boost won't blow anything up when I take the pedal off the floor. And perhaps an electronic wastegateb to keep good controll of the boost I'll be running, which will be considered a rather small amount...We'll see how that works out.
As for the general reader: there are only a select few people here on this form who's technical advice will be heeded. They know who they are, and are welcome to help me out if possible. If you don't have anything positive to say, then don't say it: this is my project and I'll won't listen to your negatron views! :nyanya:
I am not concerned if people think this is a crazy idea: I don't care and if you don't have any good technical advice, read on...If you decide to flame or otherwise put this project down, I simply will not respond: your opinion won't even be considered valid. If you have valid advice and/or comments, type away. Remember, this is a community project that everyone will enjoy in the end. People want to see this done and IT WILL BE DONE!
That's it for now. This thread will be here for a while, and may even get burried due to my personal time constraints, but I'll keep everyone posted and will post pics of the items and project as soon as I recive more space for attachments.
Anyways, this project is still a little off from actually starting, but I now have most of the pieces in place for the project to begin.
4.9 turbocharger, stage one indicates that the turbo will be placed on an existing engine/transmission combo without an actual rebuild. I will be running no more than 6 psi of boost, and will try to get away with not using an intercooler. We'll see how it works out. I am well aware what this might mean for my engine and tranny, but I feel that it will be good for tuning purposes in the long run for the second stage...
The 4.9 turbocharger, stage two, will include the 4.9 liter Cadillac engine (4.5 was considered for a split second) with ported/polished heads and intake; possibly more cam; new moly-chrome piston rings and general rebuild specifications. Overall, the stage two engine will be pumping around 260hp/300lb.ft naturally aspirated. I will add about 8 psi of intercooled boost which will make the engine perform in the 360hp range...I hope.
The second stage transaxle will be rebuilt and bullit proof and I will attempt to have a 3.73:1 final drive ratio. I have to study the tranny more, but I hope I can make those aforementioned changes.
So back to stage one. I have the following items for this project:
GM-3 IHI 6.5 liter diesel turbocharger. It is used and will probably need a rebuild in the bearing area, but for $76.00, I couldn't pass it up. I'll let everyone know if it needs a rebuild or not when I get it next week via UPS.
I have the MSD boost timing controll system with an MSD digital-6 ignition. These items will help combustion and timing while under boost.
I have two Deville exhaust manifolds (front and rear) and a cross-over pipe. They need some welding and an adapter fabricated for the turbo to attach to, but this won't be an issue...I hope.
Auxiliary fuel system minus the actual controlls (piggy-back ECM). I am going to do one of two things here: use an old TBI system for extra fuel needs; or I will make a new fuel log and use two or more auxiliary fuel injectors for fuel needs. An extra fuel pump and some cutting will be necessary, but they're taken care of...Minus the cutting of the fuel tank.
I am going to go with the Megasquirt system for now, which will set me back by a couple hundred (actually $140.00 for the complete DIY kit)...Unless someone hacks the Caddy ECM before I purchase it.
Extra exhaust tubing. I have plenty around in the garage I have just rented. It shouldn't be an issue.
That's it for now as far as supplies. I will also add a bypass valve so that the boost won't blow anything up when I take the pedal off the floor. And perhaps an electronic wastegateb to keep good controll of the boost I'll be running, which will be considered a rather small amount...We'll see how that works out.
As for the general reader: there are only a select few people here on this form who's technical advice will be heeded. They know who they are, and are welcome to help me out if possible. If you don't have anything positive to say, then don't say it: this is my project and I'll won't listen to your negatron views! :nyanya:
I am not concerned if people think this is a crazy idea: I don't care and if you don't have any good technical advice, read on...If you decide to flame or otherwise put this project down, I simply will not respond: your opinion won't even be considered valid. If you have valid advice and/or comments, type away. Remember, this is a community project that everyone will enjoy in the end. People want to see this done and IT WILL BE DONE!
That's it for now. This thread will be here for a while, and may even get burried due to my personal time constraints, but I'll keep everyone posted and will post pics of the items and project as soon as I recive more space for attachments.