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LS1 with Muncie M20 in Chevelle??

Old 01-07-2011, 06:47 PM
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Default LS1 with Muncie M20 in Chevelle??

Anyone done it? I'd like to use my Muncie M20 trans to keep the 4-spd and my buckets and console. Where do I get a bellhousing and will it work?? I'm old school chevy and dont know if I can even do this setup yet. Have a rolled 02 Camaro 35th SS and am putting this engine in my 72 Chevelle.

Mike
Old 01-07-2011, 07:25 PM
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I'm going to make your day.....
post 28
https://ls1tech.com/forums/conversio...2-build-2.html
Old 01-07-2011, 08:17 PM
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Lakewood makes the one Im going to get but $400
Old 01-08-2011, 07:59 AM
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It has been done alot. Do a search, the info has been posted several times in the last month. In fact, someone posted a link to a complete kit on Pace Auto.
Old 01-08-2011, 11:59 AM
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here's the deal......if someone wants to get the bellhousing and all parts to make the LS1 with a Muncie TOTALLY work on my 70 Chevelle SS work, this includes ALL parts, they can have the 6spd. Let the offers begin....
Old 01-08-2011, 01:25 PM
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Where are you located???????
BTW, all the part numbers and prices are in my build thread post.
Old 01-08-2011, 02:15 PM
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Default muncie behind an LSX

Why dont you use the bell and all of the linkage you already have on the Chevelle then just buy a flywheel for an LSX or use the flywheel from the Camaro now you dont have to buy any thing.
Old 01-08-2011, 02:19 PM
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I dont have the bellhousing or any of the linkage
Old 01-08-2011, 02:40 PM
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OPGI, Year One, ebay, etc sell pedal/linkage kits specifically for chevelle $300.
A BBC 621 168 tooth bell housing will bolt up. If you get one from keisler, it will even have the extra LS bolt hole $180.
Get an adjustable fork pivot stud (Mr Gasket) $13.
Sach 1050 flywheel, just remove the 2 dowels $60.
ARP flywheel/crank bolts for an 02 camaro/Ls1 $25
Pressure plate/10 spline 11"disk kit Sachs K555203 $120
Pressure plate Bolts M10 x 1.5 x 25 $10
LS7 Pilot bearing 12557583 $15
I'll let you know later which throwout bearing give the best geometry.
You still might need a clutch fork/boot, misc parts for a big block chevelle.
You can probably order everything new online for about $800.
Now where's my T56?
Old 01-09-2011, 06:37 AM
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You buy the parts, put it together, and get it running....its all yours.
Old 01-09-2011, 06:54 AM
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Those old Muncies have a tall first gear. Any car I ever owned with one of those transmissions was tough to launch without a seriously low rear gear. I always found myself wishing I had a modern 5 or 6 speed transmission.
Old 01-09-2011, 07:09 AM
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well, I decided to put this engine in an original 70 SS, and put my original #'s matching motor in storage. I'm going with the Muncie so I dont have to cut the car up. Keeping it original by saving the body and original motor is my only option for value.
Old 01-09-2011, 07:16 AM
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Agreed. The only reason I'm putting the Muncie in my 72 442 is I already have it. And with a 2.73 rear gear on the car I'm limited to a Richmond 6 speed with around a 0.8 OD if I dont want to swap out the diff.
If it doesnt work out, I can always look for a T10 with a 3.42 1st gear or a Richmond 5 speed (3.27 1st, 1:1 5th).
BTW, why is it no one has made a splined clustershaft for the muncie so that you could choose the gears you want and even put a OD in place of 3rd gear?

Originally Posted by speedtigger
Those old Muncies have a tall first gear. Any car I ever owned with one of those transmissions was tough to launch without a seriously low rear gear. I always found myself wishing I had a modern 5 or 6 speed transmission.
Old 01-09-2011, 07:30 AM
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Ditto. What are you doing with your dash layout? I have to figure how to get my 1970 dash to work with this 02 setup. Not going to be fun I take it...
Old 01-09-2011, 07:48 AM
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Post 9 of my build thread. New 3 3/8" gauges fit perfectly in place of the old ones.
https://ls1tech.com/forums/conversio...442-build.html
Originally Posted by mt5425
Ditto. What are you doing with your dash layout? I have to figure how to get my 1970 dash to work with this 02 setup. Not going to be fun I take it...
Old 01-09-2011, 07:58 AM
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It'd be nice if I can get my original SS gauges to work.
Old 01-09-2011, 08:06 AM
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The speedo is a non issue. I converted a mechanical tach to electric on my 68 corvette. If yours is electric, just have the computer tach output set for 8 cylinder. The rest.... just use the original senders. I tapped my drivers side block plug (1/2" NPT) for the temp sender. Speedway motors makes an adapter for the mechanical oil pressure.
The only reason I swapped out the gauges on the 442 was that the tach was missing and some of the others not working. New aftermarket was cheaper than used originals.


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