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This is a common conversion one I have done several times. It is tough to put an
exact price on, or what all you need. Here’s a list of essential items you will need,
not to mention also needing the proper tools.
Also keep in mind that I am no expert on this so
don't consider my opinions as rules. Do plenty of research and use as many
resources as possible to form your own views. Your swap has to be what is
right for your application.
- Engine- Try to get a complete engine for all of the
accessories especially brackets. An engine can run from $50 to however much you want to
spend. A complete new performance motor will run $2000+. Sometimes a new engine can be
cheaper than a rebuild plus you get a warranty.
- Transmission- Depending on the HP and how heavy your foot is
your stock Jeep trans may not handle the engine. Some earlier stock transmissions like the T18,
T150, T176, and the automatics are pretty good choices. Most others aren’t considered strong
enough but can be used if not abused. Non-Stock transmissions like a
NV4500 are a good choice but can cause clearance problems, require
expensive adapters, and usually require driveshaft
lengthening/shortening.
- Adapters- Depending on what you have and what you are
putting in will decide this. For instance if your Jeep has an AMC inline 6cyl an AMC V8
will bolt right up to the trans and all you need is some factory motor mounts. Same Jeep
getting a Chevy V8 is a different story. You will need transmission and motor mount
adapters. Adapters can run from $150 to $500.
- Radiators- Most V8 swaps will require a new heavier radiator
to handle the V8, fortunately there are several companies which make conversion radiators
that fit right into the stock Jeep grille. $200-500.
- Exhaust Systems- These can be easy or frustrating. The easy
way is getting a set of fenderwell headers and slapping mufflers out the side with some
turn-outs $150-$250. Harder way is duals out the back with headers or manifolds, this
usually needs to be done by a muffler shop and some won’t do it for emissions
reasons. Check around.
- Annoying Problems- All kinds of problems can arise doing a
swap. Try to go to your local parts store and get a radiator hose for a Chevy 350 in a
Jeep CJ, most times the say "That’s not in my book here". Most problems
involve getting and fitting parts into the engine compartment. You have to keep in mind
the steering rod, hood clearance, the front drive shaft, the radiator, the cowl, the brake
master cylinder, fenders, wiring, etc…
Remember this is not an easy task and this list is by no
means complete, it takes skill and handiness to make this work. I always say that
this job should be done right because it is harder to do over and when you are out on the
trail it can leave you stranded. Also make sure it’s legal where you live to do this
because if you have vehicle inspection in your area you may have done all the work for
nothing if it won’t pass inspection. Some
good resources:
Advance Adapters
Adapters and accessories. Novak
Enterprises Adapters and accessories, this site also provides a
lot of information about converstions. JB
Conversions OK Auto
A great resource of staff that have done these swaps before.
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