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So what distributer are you running? Just an HEI, or the one with the sniper to adjust timing?

I upgraded to a MC2150 2 years ago, but I keep looking at the sniper. If I don't drive the YJ daily she takes a long time to crank, which irrationally drives me crazy.
 

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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Ex. AX-15, NP231 SYE, Adams shafts, F&R ARB, 3
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the HEI on the sniper is the one available off summit, though I don't think its much different than the one off Amazon
 

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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Ex. AX-15, NP231 SYE, Adams shafts, F&R ARB, 3
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we haven't had any long term use replies yet, but a couple of the guys put a one way check valve on both supply and return to the carb. possibly a solution to the long crank after sitting for a few days.

L.M. any feedback???
 

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I had my right shoulder replaced this morning. One hand typing is a pain. I'll be out of any serious action for a couple weeks.

When I put a one way valve between the fuel pump and the gas tank, that seemed to clear up the worst of the issue. The one way valve between the filter and return worked for a while but with both, I can let the Jeep sit for several days and (mostly) it'll start on the first crank.
Make sure the choke is adjusted properly and hit the gas once to squirt a bit of gas into the manifold and set the choke.

Good Luck, L.M.
 

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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Ex. AX-15, NP231 SYE, Adams shafts, F&R ARB, 3
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I had my right shoulder replaced this morning. One hand typing is a pain. I'll be out of any serious action for a couple weeks.

When I put a one way valve between the fuel pump and the gas tank, that seemed to clear up the worst of the issue. The one way valve between the filter and return worked for a while but with both, I can let the Jeep sit for several days and (mostly) it'll start on the first crank.
Make sure the choke is adjusted properly and hit the gas once to squirt a bit of gas into the manifold and set the choke.

Good Luck, L.M.
Glad to see you up and around. Guess your surgery went as planned, Take care of yourself and we'll see you in the threads.
 
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Finished up

I got it out on the freeway again today and it seems to be filling in the gaps on the learn cycle, runs pretty smooth all the way through the pedal. but it is still a 4.2 and is still pretty cold blooded until the engine warms up a little
I'm excited to see how this works out long term for you. I installed a Howell Kit a while back, but it doesn't control timing, and is doesn't offer a lot of learning, so no 4.0 head swap or anything with it. I love that the Sniper has so much self learning capability. If I hadn't got such a deal on the Howell I would have gone with the Sniper.
 

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I was debating between the Howell or Sniper Kit but it was giving me a headache and then I remembered that I have the 4.0 and chuckled out loud a bit...
 
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I'm excited to see how this works out long term for you. I installed a Howell Kit a while back, but it doesn't control timing, and is doesn't offer a lot of learning, so no 4.0 head swap or anything with it. I love that the Sniper has so much self learning capability. If I hadn't got such a deal on the Howell I would have gone with the Sniper.
I am using the vac advance timing with the HEI, For the sniper to control the timing you need to use a Holley ignition setup.
Here is the Installation manual if you'd like to read up on it.
199r11323.pdf (holley.com)
 

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For the sniper to control the timing you need to use a Holley ignition setup.
Here is the Installation manual if you'd like to read up on it.
Gotcha. Looks great. It's so nice for me, having fuel injection, with big elevation changes.
 

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I pulled my rollbar for an upcoming interior spray job.
I used PB Blaster, a torch and a 2' breaker bar. I just about twisted the end off my torx socket but they came out.
These bolts had never been pulled out before. :p
4507071


4507070

4507072

4507073
 

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transmission input seal , added a vent for the transmission at the same time , changed the engine mounts , stuck the rear view mirror back on as the dog likes to knock it off . Put the 1/2 top on and the 1/2 doors on . . Today pulling the head to change the lifters , cam shaft and timing chain . Little jeep is getting old now as it has been doing jeep things for 31 years now on the low roads and no roads with the occasional adventure on the paved roads .
 

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4507184
 

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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Ex. AX-15, NP231 SYE, Adams shafts, F&R ARB, 3
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'89 YJ 4.2 with MC-2150 Carb & HEI, 2-1/2" Ex. AX-15, NP231 SYE, Adams shafts, F&R ARB, 3
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looks like that bushing is held captive pretty well. feedback requested on tub vibration.
 

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looks like that bushing is held captive pretty well. feedback requested 1on tub vibration.
I will let you know.

I am lifting the engine 1" because of a 1.25" body lift and also still kicking around a suspension lift at some point.

M.O.R.E vs Brown Dog
MORE has a 1" MML for the YJ/TJ/LJ. The instructions say that on some models that you may need to grind parts to get it to fit, um, no.
Brown Dog has a part for the YJ number and a separate part number for the TJ/LJ and specifically mentions that no grinding is necessary.

I just like things simple.
 
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I have to hunt and peck to type my posts. It's easier to do so with two hands but I'll bet I can get something pecked out with just one hand.

When the doc said he was going to cut off the knob of my shoulder and screw a metal and plastic one in, I asked if I could have the part he cut off. I want to wear it around my neck as a piece of abstract art. He said they grind it up and use it as binder to get the new parts to bond to where the cut the damaged parts off. Oh well, so much for abstract art.

Good Luck, L.M.
That would have made an awesome shifter knob.


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Great idea! I hadn't thought of that.
Mrs. Lucky and I rode Harleys for many years (her last two motorcycles were V-Rods). We were in Morrison Colorado parked next to several outlaw bikes. One of the bikes had a human thumb or finger in a ball of Lucite in place of where the key switch would be. We didn't get a chance to visit with the owner. I'll bet there was a good story behind that. Such things aren't bling for everyone, but then, not all art is for everyone.

Good Luck, L.M.
 

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Had to put the soft top up and doors back on for the first time in over a year? The ol' heap had to move out to the side yard to make room in the garage for all our furniture while the floors in the house get redone. I "dislike" keeping her outside. Almost as much as I "dislike" putting the dang top up. :(
 
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