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Old 09-12-2000, 10:42 AM
jebner jebner is offline
New Member
Join Date: Sep 11, 2000
Location: Cincinnati, Ohio, USA
Posts: 8

I have a 77 Cherokee with a the stock 360 and TH400 tranny. Do I need to make any modifications to put a 401 in my Jeep? If so what? Oh, does anyone have the schematics for the vacuum lines for the emergency drive? Thanks for you help.

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Old 09-13-2000, 07:14 AM
Dean Dean is offline
Grease Monkey
Join Date: Apr 09, 2000
Location: Medford,Oregon
Posts: 270

Jeff, the 401 is a bolt in except you need to change flexplates. The flexplates are balanced to the engine. If the 401 is out of a big Jeep then would have had the correct flexplate on it (no 401/manual trannys in FSJ from the factory).

'78 Wagoneer Limited
401/Q-trac W/low range
Stock for now.........
have '84 parts rig,
4" rancho lift, 3" body
lift, '78 j20 axles. Whoo
hoo, future 3/4 ton wagoneer.
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