305 swap? - JeepForum.com

 
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post #1 of 5 Old 10-09-2007, 11:59 AM Thread Starter
greaseboysjeeps
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305 swap?

I currently have a amc 258 bored 30 over with an rv cam and high out put oil pump in my 86 cj.
I was wondering if anyone has done or knows anything about a 305 swap.
and if it would be worth doing with the engine I have now.

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post #2 of 5 Old 10-10-2007, 11:07 AM
Happy Joe
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The 305 is an old general motors small block V-8.
Do you mean the AMC 304 V-8?
Enjoy!

...a well prepped, well driven, vehicle should do well in any terrain, including the highway.

Carburetors became obsolete during the last century... do what ever it takes to get fuel injection...It makes bigger grins off road.
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post #3 of 5 Old 10-10-2007, 11:12 AM
wil badger
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and if you are talking about a GM 305 why waste the energy on a turd of a motor.go with the 350 ,same size block with more cubes and power


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post #4 of 5 Old 10-12-2007, 08:06 PM
Ohenry13
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no he has the cj with a I6 but he has a gm 305 that he could put in.


either way get that sob running!
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post #5 of 5 Old 10-19-2007, 02:00 AM
cconn
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Unless you have a 305 already there, you would be better off going with a 350. Its the same size block but more power, cheaper, and easier to find. I just did this about 6 months ago, except I yanked out a 304 for the 350. You will need new motor mounts, either bolt in or weld in. A transmission adapter depending upon what tranny you have. Possibly a new radiator. I used a 350 swap kits that included a new radiator and motor mounts from 4x4 parts i believe. Since I also swapped in the Chevy tranny and T-Case I didn't need an adapter. Everything else is pretty straightforward, as long as the new motor comes with all the brackets and such.

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