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It's too costly for the factory to set quench clearances so tight, that's why they don't do it. I don't recall the cost, but I have DC engineering do all my engine work. They don't move the seat per say, but grind the valve to get the seat where it needs to be. Mandatory that you start with...

Before I recommend a cam, I'll need to know tire sizes and gear ratio's. Once I have that, I can answer your queston. No matter how much material you take off the head, you'll never move the piston closer to the head to acheive quench, all you'll do is increase the compression. Don't confuse...

Have fun with it Joe! It's amazing how long these engines will last with just a little TLC.

Jeep runs great and has tons of torque right off idle. I just had the Jeep emissions checked and it passed with flying colors. This is tested on the dyno, not an idle test. The emissions guys couldn't believe it and three of them came over to talk to me. I wonder if they get a hp reading off...

Oh man, just moved pretty much this entire thread to the new "For Jeeps Only" website. That was one hell of a task. I think you're on there mopekid and I answered your question on your post, let me if I'm wrong. :)

You're welcome DroVal! 2 years later.... Runs cool, 20+ mpg on the highway if I'm not towing anything or plowing into a high headwind. Burns no oil and no oil leaks. I can easily smoke my buddies '99 V6 Tacoma light to light or on the highway. The torque curve is super flat Thanks...

It is at 5800'. If he was at sea level or close to it, he'd be well over 500 hp.

3k miles on the Jeep through a few major rain storms at 80 mph, 100+F days and a few gravel roads and no flaking or bubbling. The new Rustoleum stuff has made me a believer. This goes for thier 500 F plus engine paint as well as thier header paint. In 6 months we'll see how it does in the...

I just switched to Rustoleum header paint availible at autozone and so far so good. I'll let you know what I find out after a 2K trip I'll be making shortly.

This build only took 9 months. :-D Thanks 74scamp!

Agreed and you know what I'm talking about first hand.. As it is Blizzaks or studded tires may be mandatory. Most certainly so if I decide to drop in some 3.73 gears and some Detroit True-Tracs... If it's availible for the 8 1/4. YouTube- Exploded View - Inside the Eaton TrueTrac Differential

I was very concerned that that the cam would fall flat past 4k. Not so. :cheers: It might be the porting, Throttle body and manifold combining to stretch out the torque curve... Maybe, lol. I still wonder what it would've driven like with the real 4.0L HO cam advanced 6 to 8 degrees. I...

OK here was my first impression after a quick 20 block blast around the 'hood: I now have just about a 100 miles on it and here are my latest impressions: The computer seems to have had time to adjust and it fires up easy when cold and settles right down to a 750 rpm idle. There used to...

Thanks Kim, I appreciate it. I'll let you know how it feels on the road once I renew the tags.

Doktor_X showed up at my door around noon to check on me and I was sprawled over the couch in greasy clothes after the all night thrash. He gave me some words of encouragement and gave myself a quick face splashing in the sink, put a pot of coffee on, changed my clothes and off to the garage...

I started back on the Jeep on Saturday but got called to work again. My buddy Shawn dropped by to show off some work he did on his truck and we had a couple drinks and shot the **** for awhile. He split around 9 to meet up with his woman so I figured it was time to get back to work. I got the...

I wish I had the time. I mapquested it and it would put me about 500 miles out my way. I am planning a trip to Florida later in the year and you will definitely be one of my stops. 8) BTW all, I did a 12 hr. day today and starting to work on the Heep would be a bad idea. I'll get started on...

The Dok was tremndously helpful and dove right in without a thought as to how greasy he'd get. With the multiple leaks from one trans line, the engine itself and the power steering pressure hose, this thing had a generous coating of Mopar rust proofing. Yep, I'll pulling back the vintage...

I was never really into these until I drove one. Pretty cool rides and EXTREMELY capable vehicles, even the ZJ's.

LMAO! I bet someone finds that ratchet 100 years from now and wonders what the heck happened.... :read2: My snap-off torque wrench is way too expensive to launch but I certainly did think about it. :snakeman: I'll have a better idea of what happened once I get the old bolt out. I used to have my...

Thank you 340! Where the heck you been hiding anyway? :clock: How's Duster the dog doing? Monday night was a wash as I had to do laundry and go get groceries then deal with some work stuff. Last night I drilled the the fuel line bracket so it would fit on the later manifold. All I had to...

Most likely not, too pricey. I'll know by the way it drives. Thanks Mike! Glad to hear you enjoyed your Sunday. 8)

Yep, it's a bolt on. Just move the IAC and the TPS make sure the throttle lever doesn't hit the manifold. Not sure how much gain this would be worth on a tired stock engine but I have heard reports of an increase in throttle response. I didn't get the engine running yet but I'm really close...

Thanks dok. I'm just hanging out searching parts. My old radiator had a pinhole leak in the plastic tank so I'm just hanging out waiting for AZ to open and loading up on Java.

I sure as shoot would like to hear this run tomorrow but much work remains to be done. Time to catch some z's.....

Whoops! This little server outage tonight threw me out of whack. I just made a word doc with the info so I could just copy and paste when server came back up. I forgot to add this... The Ford/Bosch 4 hole injectors are a straight swap over and use the same EV-1 connectors so no splicing is...

These are the lift points that I use to hoist the engine. I'm darn glad I remembered since I pulled this thing back in November. Needless to say I did the garage wander/rummage for quite some time before I found some of my parts, lol. I bagged and tagged most everything but stuff gets moved...

With the addition of the BBK 62mm throttle body, the old IAC and TPS need to be installed. They do include a T20 Torx Security bit (has a hole in the center) but I also have a set just in case anyway. My old IAC body was pretty carboned up so I got that cleaned up and installed with the new BBK...

The next step was installing the IAT (Intake Air Temp Sensor). No big deal and I used liquid teflon sealer as this a pipe thead. The location of the sensor is quite a bit back from the engine and more towards the front on the later style manifold which should give the computer a colder reading...

At this point I installed the distributor. Since the distributor has no effect on timing, (this engine has a crank position sensor) I just put the #1 cylinder on the compression stroke @ 14 BTDC and made sure the rotor was pointing @ the #1 wire in the cap. There is a sensor built in to the...