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Forum: Hot Heads Tech Talk

Forums->Hot Heads Tech Talk->340 bell housing

DaveBlakeman
340 bell housing


Will a later 340 bell housing mate up to the early Hemi ?
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on: Mon 29 of Oct, 2018 [18:38 UTC] reads: 928

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DaveBlakeman
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Re: 340 bell housing
on: Sun 04 of Nov, 2018 [17:43 UTC] score: 0.00
Thank You Gents !

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hemistude
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Re: 340 bell housing
on: Tue 30 of Oct, 2018 [22:58 UTC] score: 0.00
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.

http://www.wilcap.com/Hemi.html#Hemi Adapters
http://www.hothemiheads.com/transmission_adapters/hemi_mopar_manual.html

Or you can try to make your own like I did 25 years ago. It's a little challenging but it can be done.

https://www.jalopyjournal.com/forum/threads/early-hemi-to-la-mopar-bellhousing-adapter.664528/

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.

Good luck!

Dave



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DaveBlakeman
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Re: 340 bell housing
on: Tue 30 of Oct, 2018 [17:55 UTC] score: 0.00
I have a 354 . So you need an adapter ?

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George
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Re: 340 bell housing
on: Mon 29 of Oct, 2018 [23:03 UTC] score: 0.00
If you have a 392 to (that tranny) adaptor....


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