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Fri 13 of Dec, 2019 [10:10 UTC]
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Re: 340 bell housing
Re: 340 bell housing --So you need an adapter ?
George's hint is a bit of a riddle, I guess.
To be clear... YES, you definitely need an adapter to use any MOPAR manual bellhousing or transmission designed for the LA (273/318/340/360) engine series. The bell bolt pattern is similar, in that the four main bell bolts line up, but the aligning dowel pins and a number of the other bell bolts need resizing and relocation. Also, the front to back spacing of the flywheel, clutch, or converter needs correction as well. You'll need to have a spacer on the flange of the crankshaft. There are different ways to go but as far as I know, they all require an adapter and a few other parts and pieces.
There are options... here are just two.
Or you can try to make your own like I did 25 years ago. It's a little challenging but it can be done.
There's a hole diagram picture in the fourth or fifth post in the forum that shows the holes, dimensions, and relative placement.
I spent a huge amount of time on my adapter and in the end, I decided to go with a vendor-built piece i found on eBay.