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Unread 06-27-2014, 09:05 PM   #1
ceej7
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engine and tranny combo ... will it fit?

going to look at engine / tranny combo tomorrow. 4.2 six with ba/10 5 speed with 80k.runs and shifts good .guys puttin v8 in instead. question 1. heard this trans is a dog. if so dont want it, but will put on c list. question 2. I have a 258 in my 85 cj7 now with t176. any adapters needed to make it bolt up? or is one 258 the same as another? question 3. if trans is decent will my dana 300 bolt up ? the guy wants 150 bucks for combo ,and my engine has a lot of blow by so is this the kick *** craigslist buy of the week or what? any help or comments appreciated.

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Unread 06-27-2014, 09:26 PM   #2
firegod33
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The BA10 is a colossal pos. I'd stay away from it. The 258 is essentially the same throughout production. There are some minor differences that can be easily overcome.
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Unread 06-27-2014, 09:42 PM   #3
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The BA10 is a colossal pos. I'd stay away from it.
Stop being so nice! It's WWWAAAAAAAYYYYYY worse than that!

It's a boat anchor.

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No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

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Unread 06-27-2014, 09:53 PM   #4
ceej7
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well thats what i read on some of these posts, but the engine is what i really need. any ideas what i need to bolt this engine to my tranny. any other issues?
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Unread 06-27-2014, 09:58 PM   #5
Mean Max
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well thats what i read on some of these posts, but the engine is what i really need. any ideas what i need to bolt this engine to my tranny. any other issues?
Other than verifying that the pilot shaft bushing is the proper one for your T176, it should be a bolt-for-bolt swap.

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Max has a picture of every Jeep part ever made.
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No one here knows what they are talking about. You should try Pirate 4x4 they will be happy to help you.

There is no situation that cannot be improved with a small but well-placed explosive.
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Unread 06-27-2014, 10:09 PM   #6
only in a jeep cj
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If his motor runs good, no smoke or knocks, jump all over it for 150. Sell the trans with bellhousing for 50 (you'll be doing good if you get that) and sell your old engine as a rebuildable core for 50. In the end you'll have a good motor for 50 bucks! score! It will swap right out with yours bolt for bolt. IF your clutch is smooth and works good, use your flywheel back. IF not, try his.
Use your block mounts and yes, get a new pilot bushing. The combo looks like its from a what....89 YJ?
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Unread 06-27-2014, 10:19 PM   #7
Mean Max
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The combo looks like its from a what....89 YJ?
Could be an '87-'89 (1/2 year in '89) YJ, I would think.

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Unread 06-27-2014, 10:27 PM   #8
ceej7
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didnt ask what year combo was from but 88-89 is what i thought. everything in pic for 150, trans, bellhousing ,and engine.they probably left trans mated to engine so they didnt have to haul off tranny. pretty pumped about engine, should be good for another 100k!
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Unread 06-28-2014, 01:20 PM   #9
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ALL AMC 6 cyls 1972 and newer will bolt up (232, 4.0, 4.2. Mexican 262 and 282) Before that they were smaller bell pattern with the starter on the left (Postal Jeeps had them a bit longer than that)
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Unread 06-28-2014, 10:01 PM   #10
ceej7
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ok, more questiones. what year was the last 258 made, and what, if any, were the change in horsepower numbers from my '85 to the last year manufactured?
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Unread 06-28-2014, 10:13 PM   #11
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1990 was the last year used in the YJ. Same Carber BBD carb, emissions, stepper motor, and pulse air system as used in the later CJs...84 on I think.
Maybe the V belt vs serp belt was a difference but it should be basically the same motor and numbers as your 85.
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1975 CJ-6 304 T15 Dana20 30/44 3.73
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Unread 06-29-2014, 04:22 AM   #12
Mike Romain
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The motor will bolt right up. You will need a new pilot bushing or use your old one if any good still. I bolted in a 93 4.0 into mine and put all the 258 'stuff' on it and was good to go even.
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