I have an 87 Cadillac Brougham hearse with the Oldsmobile 307 engine. I have several 350 Chevy engines left over from when I used to race. I am going to do a engine swap and put a 350 in my hearse and I was wondering if there was anything like driveshaft length that I need to address. It looks like the 350 will set further toward the front of the car but im not sure. Has anyone done this swap?
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I havnt done this swap into a hearse, but I did do a 350 swap into my nissan hardbody. Due to the motor mount location on the block it set the motor way forward in the frame. Summit racing has many motor mountas that move the motor back for forward depending on what you wish to do. They dont cost that much and you may even beable to make them if you take more time with it. Im sure you know what your doing but the best way to find out is to mount your trans to your motor, hang it in place in the car and measure to see how far off you are going to be.
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How do you intend to go about the swap? A BOP to corporate bellhousing adapter removes the need for any manner of adjustment from the transmission on back. That includes the driveshaft. The motor mounts might not line up but that is a simple matter to address.
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When I put the 383 stroker in, the drive shaft cut was one of the easier things. Besides, it was a good time to replace the u-joints. Some of the harder things were exhaust, (the drivers header was hand fabbed) converting to a front sump oil system, transmission crossmember, and engine mounts.
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Originally posted by BIGEVIL View PostEngine swaps are never as straight forward as you think.
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BigEvil knows what He's talking about and so does Dickey. It's all about how You approach it. I did a few swaps in My time too. It's always easier putting back what came out. My latest project, I was determined Not to alter the length of the driveshaft. Was not that hard but a lot of time and effort getting everything working together. No regrets on this one. Other than a yoke swap, the origional 429/jetaway will bolt right back in. Nothing was altered to where it could not go back origional.100_0314.jpg
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I put a 350/350 turbo in my 1980 Coupe Deville racecar, the moroso solid motor mounts and tranny mount matched up to factory holes in the frame and crossmember. 66 chevy truck center dump exhaust fit with how the motor sat, had to put a 1/4 inch spacer on the passenger side motor mount to fit stock fuel pump, because I couldn't run a performance one, but I think some of them are shorter.003.JPG002.JPGTransmission was a 200r4, so driveline matched without cutting or different yoke.
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Originally posted by Haroldfromhell View PostI put a 350/350 turbo in my 1980 Coupe Deville racecar, the moroso solid motor mounts and tranny mount matched up to factory holes in the frame and crossmember. 66 chevy truck center dump exhaust fit with how the motor sat, had to put a 1/4 inch spacer on the passenger side motor mount to fit stock fuel pump, because I couldn't run a performance one, but I think some of them are shorter.[ATTACH=CONFIG]11758[/ATTACH][ATTACH=CONFIG]11759[/ATTACH]Transmission was a 200r4, so driveline matched without cutting or different yoke.
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