My L36 LIM Porting (with pics)...NOW WITH DATA! - Page 3 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 02-16-2007, 05:52 PM   #21
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One knock sensor will yield about a gallon, the other will dump what appears to be about 2 more gallons.

Personally, since you will probably have gasket material around, I start the car..idle for a few minutes and then change the oil and filter.
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Old 02-18-2007, 02:36 PM   #22
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Can you make a quick list of parts/fluids i would need to do this with some prices. I am debating if i want to do the LIM and HV3, or soomething else. Roughly how much do you have in this project?
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Old 02-18-2007, 08:55 PM   #23
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Quote:
Originally Posted by TJ'sblackbonne
Can you make a quick list of parts/fluids i would need to do this with some prices. I am debating if i want to do the LIM and HV3, or soomething else. Roughly how much do you have in this project?
I bought both a LIM and a UIM from Ed Morad'* E-Junkyard on E-Bay for about $85 delivered from the Midweat to San Diego.
The HV3 alone is what, about $190? That'* why I'm trying to do a "poor-man'*" version

All the rest of this stuff I was going to do anyway, just as maintenance; you don't necessarily need all this stuff to do the job:

Bill Buttermore shielded EGR tube ($20), thermostat, gasket and seal ($10), UIM/TB gasket set ($35), aluminum LIM gasket set ($50), bypass elbow ($4) fuel injector o-ring set ($15), PCV valve ($3), spark plugs ($10), 2 gallons of coolant ($20), valve cover gaskets ($25), valve cover grommets ($10), oil pan baffle/gasket ($30), 5qts synthetic oil ($30), oil filter ($3), ultra copper RTV ($, blue threadlocker ($5), thread sealer ($5), anti-sieze ($5), a dozen cans of Walmart carb cleaner ($20)

I'm sure I left something off that list...
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Old 02-18-2007, 09:46 PM   #24
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A LIM for 20-30 bucks at a wrecker and the gaskets and fluids is all you need. Under 100 bucks.
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Old 02-18-2007, 10:18 PM   #25
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Alright sounds good, thank you
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Old 02-18-2007, 10:24 PM   #26
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You understand the risk.

There'* this weird place called ZillaMotorsports. They've had this idea for a year or more. And they're in the process of proving the idea.

So you'd be better off waiting for about 3 weeks for confirmation. ZM L36 LIM #1 worked great. Let'* wait for #2 before diving into it. Too many people have butchered good parts by being impatient.
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Old 02-18-2007, 10:31 PM   #27
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Trust me, i am going to wait a little. I was just going to start buying the parts. I know you are the guy when it comes to things like this. I
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Old 02-21-2007, 05:17 PM   #28
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Well, reamed out my first port:

Before:


After:


Here'* an impression I made of the reamed port with bake-in-the-oven clay, to help me make sure I do them all the same:
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Old 02-21-2007, 06:08 PM   #29
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Nice idea with the clay.
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Old 03-04-2007, 03:02 AM   #30
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Finally finished the LIM ports. I figure it took me about 30 minutes per port using my Dremel:


I did very little in the way of polishing the runners, because I'm a larda$$.

I hope this picture conveys that I left a "lip" around each port relative to the gasket hole:


After my DHP PowrTuner shows up (and I learn how to use it), I expect to get some before-and-after data to quantify what this ported LIM does for my otherwise near-stock 1998 LeSabre. With all the travelling I may have to do soon, all that'll probably be 6 to 8 weeks away.
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