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http://www.youtube.com/watch?v=Xrl7mx_39tA&NR=1 When the block is being rotated at 20 seconds I swear it is a 3uz. 6 bolt mains, arrows on the main caps and what looks like an a340 series auto bellhousing. Thought it was an interesting ad.

Nice drop, perfect height... much cleaner than stock. I just went back to my roots and bought another 92 LS a few days ago. Hey if your still looking to mod, you might want to look into JDM Celsior headlights. They are 1 piece instead of seperate 2 piece headlights and fog lights. Ebay has them...

Jake is right on with the possibilities. I have owned two 92 SC's and three 1991 LS's and each one had destroyed speakers, but considering that your overall sound has suddenly disappeared, the deck or "radio" itself would be the 1st place I would look. My 1st LS had the Nak setup and it had a...

FoPar, how much extra timing, and how much leaner can you get away with? Was always curious about how well the UZ takes to ethanol. Your numbers speak for themselves regarding gains.

The GM engines are pretty bad... horrible efficiency and their cars have brick-like drag coefficients. Im planning to lower my LS a decent amount which should drop my 0.29 cd to around 0.27 or so. With a slippery car like the LS and all the tq... im pretty sure i'll blow the GM system out of the...

Welcome BerHntr, very nice 4wd you have there.

When I built my 2.25" dual I ran a magnaflow X pipe and magnaflow mufflers with mandrel bends and the sound was very clean and throaty up top but at idle/low rpm it was exactly the same as stock. I was not amused! I ended up ditching the magnaflows while keeping the X and ended up with two 2.25"...

My real question about this is stress at cruising speeds. Its an early UZ that has low miles. I understand that GM does this all the time with their V8's but only at cruising speeds. Also, an important aspect is the torque. Correct me if im wrong but im pretty sure the uz achieves 80% of its...

4U2QUIK: How exactly does the GM ecu deactivate? I would assume direct control over a COP setup and injector pulse width. Im really wondering how much the compression stroke w/o a following combustion event will affect the savings? Thanks for the reply btw.

^^^ the 5 speed is a nice alternative. If I can source the parts for a reasonable price, I may just try that out. Ever more extreme would be a t-56 w/ a 0.5:1 6th gear. The engine could sit at 2,000rpm at 70mph or so. I tried accepting the idea of a honda crx or an mr2 spyder but in CA they...

Ok so I have owned two 1991" LS4's over the years and im about to grab another with the intent to leave the engine alone. Gas is going to hit over $4/gallon and any increase in range is welcome. The best I can achieve driving at 60-65mph on the freeways is about 23-24mpg (depending on the...

A whil back I installed one for on david's LS, PERFECT fitment. Great casting quality too.

Loving the wheel fitment and tire pull.

Vince: I just tried using my digital camera for the sound clip but it came out real raspy when I stomped the pedal. It doesnt sound any where near as raspy when heard in person. I have a better camera packed away in my moving boxes and when I find it i'll update this with a MUCH cleaner clip...

tomorrow i'll have that for you to check out. sorry for the wait

Just moved home from CO yesterday. Im on my way out the door but I have a camera packed in one of my boxes somewhere so i'll record my system for reference. The specs on my setup: RUSH long tube tri-y headers mandrel 2.25" dual magnaflow hydroformed x-pipe dual 2.25" IN/4" tipped canisters (no...

manual swap is the best solution. Why would you not want a manual for the freeway? I would think a manual used for daily traffic would be more of a PITA. You can physically fit the 5 and 6 speed up to the engine but they are nearly impossible to run electronically w/o the factory ecu (which...

haha my dads name is steve french. small world. This site sells 140amp alternators if your set on using the UZ unit.

Since FI + valve springs are being discussed... I always wondered this: An engine builder once told me that adding pressure (boost) to the engine can reduce seat pressure resulting in float under high boost. Im picturing an intake valve thats finishing the intake stroke and then the boost...

I have been running synthetic 10w40 diesel oil in mine for over a year now. As stated above ^^^ the extra zinc and higher heat tolerance is great insurance. I pay about the same as I did for general synthetics. Speaking of oils I just read an article on WWII allied vehicles. They said in...