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How To - Tips => Engine & Transmission => Topic started by: camaroman on May 19, 2014, 08:25:39 PM
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does anyone know where someone could get some blue prints for these. I'd love to make my own porsche boxster s to ls1 adapter plate or other combinations but i wouldn't know where to start for prints for something like this. i have access to a bridgeport and other machine tools and do know how to run them ;) i just think it would be pretty nice to be able to make that stuff my self.
thanks
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Eric is your man there. Aeauto ....
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I'll have to look around a bit (it's been a long time), but I traced mine and got all the dimentions for the Fireo 5 speed to a 4.3 chevy. If I can find it, I'll send it to you.
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When I started doing this I looked for prints but they don't exist. You can find the engine bellhousing dimensions online if you look enough but you will need to measure the transmission yourself. I have found some transmission prints online but they are not accurate. Do you have a 12 inch turntable for the Bridgeport? How big is your mill? You will need a 48 inch table for enough travel. It will also help immensely if it has a DRO. You will also need at least a 14 inch lathe for the flywheel.
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Camaroman: I'm not you but, you are probably looking at 100s of hours ahead of you in machining without proper prints just to make your adapter plate. What about your flywheel? Starter? Clutch pressure plate? the list goes on. You might be able to locate a used kit if you contact some of the forums out there and save a giant bottle of excedrin. Look at what is offered from these companies and maybe you might change your mind. Save those hours to do your electric windows. Jim
www.bncproducts.com.au (http://www.bncproducts.com.au)
www.renegadehybrids.com (http://www.renegadehybrids.com)
www.kennedyenginc.com (http://www.kennedyenginc.com)
www.californiamotorsports.net (http://www.californiamotorsports.net)
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Camaroman: I'm not you but, you are probably looking at 100s of hours ahead of you in machining without proper prints just to make your adapter plate. What about your flywheel? Starter? Clutch pressure plate? the list goes on. You might be able to locate a used kit if you contact some of the forums out there and save a giant bottle of excedrin. Look at what is offered from these companies and maybe you might change your mind. Save those hours to do your electric windows. Jim
[url=http://www.bncproducts.com.au]www.bncproducts.com.au[/url] ([url]http://www.bncproducts.com.au[/url])
[url=http://www.renegadehybrids.com]www.renegadehybrids.com[/url] ([url]http://www.renegadehybrids.com[/url])
[url=http://www.kennedyenginc.com]www.kennedyenginc.com[/url] ([url]http://www.kennedyenginc.com[/url])
[url=http://www.californiamotorsports.net]www.californiamotorsports.net[/url] ([url]http://www.californiamotorsports.net[/url])
lol i hear ya. i just thought it might be interesting to do. my skills are there, my time... ya maybe not, which is a very valid and good point.
i have talked to renegade and there seem very top notch and had some great info to share. i will check out the others as well.
thanks
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I had Eric make my adaptor and flywheel to mate a boxster transaxle to a SBC.
It wasn't worth my time to reinvent that wheel, Eric did an excellent job and provides the hardware to bolt it all up.
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I had Eric make my adaptor and flywheel to mate a boxster transaxle to a SBC.
It wasn't worth my time to reinvent that wheel, Eric did an excellent job and provides the hardware to bolt it all up.
thanks for the input. do you have a build thread? I'd love to see what you did.
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Camaroman,
I totally agree with what has already been said. The plate is the easy part, the flywheel and the starter is the problem. I have three of these assemblies from Eric and the teeth mesh and the starters work and the engines run and I am happy.
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Camaroman,
I totally agree with what has already been said. The plate is the easy part, the flywheel and the starter is the problem. I have three of these assemblies from Eric and the teeth mesh and the starters work and the engines run and I am happy.
thanks guys, point taken and Eric will get my business. He must be doing it right.
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I don't see why it would be so hard. It's a matter of knowing the X,Y locations... Take some time to measure the two bolt patterns needed for the adapter (like aeauto said), drill/tap the holes. Then bolt everything together, trace the outer contour of the largest bellhousing and band saw it out. Drill a hole in the center, feed a bandsaw blade through it and weld it back together. Mount the blade and cut the center out. Do you have a digital readout on the mill? What is the Y travel? You may be able to do most/all of the adapter in one shot. ;)
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I would say it is almost a necessity to have a DRO. Bridgeport mills don't have enough Y travel so you have to move the head in or out and reset the zero to do all of the holes. Not many people have the option of welding a bandsaw blade. I cut the center hole and contour the outside on a rotary table.
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I don't see why it would be so hard. It's a matter of knowing the X,Y locations... Take some time to measure the two bolt patterns needed for the adapter (like aeauto said), drill/tap the holes. Then bolt everything together, trace the outer contour of the largest bellhousing and band saw it out. Drill a hole in the center, feed a bandsaw blade through it and weld it back together. Mount the blade and cut the center out. Do you have a digital readout on the mill? What is the Y travel? You may be able to do most/all of the adapter in one shot. ;)
SchulzeA, dont forget you would need to leave some material on the outside of the adapter for mounting your starter.
As far as the flywheel... why would someone not be able to just use the flywheel for the LS1 as it is? I don't know much about foreign transmissions or even a lot about drivetrains between the crank seal and the driveshaft U-joints! :-[ I guess you could say that my transmission knowledge could fit in a thimble.
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SchulzeA, dont forget you would need to leave some material on the outside of the adapter for mounting your starter.
As far as the flywheel... why would someone not be able to just use the flywheel for the LS1 as it is? I don't know much about foreign transmissions or even a lot about drivetrains between the crank seal and the driveshaft U-joints! :-[ I guess you could say that my transmission knowledge could fit in a thimble.
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.......Duct tape :)
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:LL:
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Camaroman,
I asked the same question some time ago. It is because that flywheel is too big a diameter to fit in the new bellhousing built into the transaxle. Either the flywheel or the bellhousing has to give. Now the starter style and location is all wrong, and has to be re-engineered. Like I said, the plate is the easy part.