February 20, 2011
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Support for this project is from the following |
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So this all starts out when I am on break at work and surfing craigslist. I usually just type in "Jeep" and let it go. I am just about to get back to work and saw "2001 Jeep Cherokee motor $50" I thought nothing of it and quickly found out its a complete motor top to bottom left to right Fuel injection and accessories. Now I have the perfect spare 4.0 for a rebuild. Then I thought, "what if I turned it into a stroker?" So searching the Jeep forums lead me to the second deal of the month. In a quick move on a sunny Sunday morning, I drove from Phoenix to Kingman, AZ to pick up the next purchase. This one was $300 for a 1991 4.0 with rebuild extras still in there boxes ready to be installed. Turns out this guy was planning on a stroker build as well. For what ever reason he passed on the idea and I scored the parts as you will see in the list below. His parts list matched mine by like 80%. There are still a few things i need but this idea spun out of control and may actually happen this year. |
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| Parts List items in yellow I still need to acquire. |
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The block still needs to go in for machining. I hope the cylinders get 30 over because I can use the pistons i have. I plan to have the shop just go over the head and check it. I will then take it back and do a mild port and polishing on the runners and smooth up the chambers. I am still needing to find out if i need to have the pistons dished to bring down my compression. I need this to run on 87 octane pump gas.
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Acquiring The Parts |
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2001 complete engine with a hole in #5 piston. Cost: $50.00 |
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I could not wait to get the engine stand. Stripped most of it down right there on the trailer. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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You can see how bad #5 cylinder was. I trade the head to a friend and verified the head is in fact still good so he can use it on his project. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Looks like I got lucky and when #5 went it only took itself out and nothing else. The crank and more importanly the block look to be ok. I wont know for sure until the block goes in for magnaflux. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The second purchase. 1991 HO block and most of its parts to make a whole engine. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Most of the items in parts list at the top of the page is sitting here in the next set of pictures. This is what I drove 8hour for. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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As you can see everything is still in their boxes. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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1992 #7120 casting head. Reworked from ATK and has around 10K miles on it. The picture shows how clean and low mileage it really is. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Another shot of the head. No this has not come back from shop or been cleaned. All I did was wipe it down to get rid of some of the dust build up. The head is that new. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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The left over parts from the second purchase (mainly the engine) I traded to another friend for this 258 crankshaft. He had plans to build a stroker and then passed. He got my left overs and I ended up with the exact crank I was looking for. all re done by BMI. its #3127 87-90 4CW crank. Mains are .010" and the Rods are .020" | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Update 1-27-2010 |
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Removed the 4.0 crank | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A shot of #5 connecting rod bearing journal. There is nothing to indicate a failure | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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A close up detailed shot of #5 cylinder | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Toip side of stripped block | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Bottom side of stripped block. Nothing to show any damage elsewhere on or in the block besides the cylinder | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Parts, parts and more parts. | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| I hope to have the block and head sent off to BMI for cleaning and checking. I will then get them back and site while I build up the rest of the parts list and some cash. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
2-20-2011 |
Update: Nothing yet. Due to a unforseen Economic downturn The stroker is currently in a holding pattern somewhere above my head! | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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