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Change the Cam, use a K&N filter, you don't have a MAF sensor....so no worries there, and maybe smooth intake ducting IF YOU CAN FIND IT (I've seen it, but no place ACTUALLY sells it. Mid America says they do, but don't). About the springs, ect......cylinder heads come in two configurations...

Here is one place I find for heads, don't know about reputation, but the prices seem good. http://www.westol.com/lpavtis/cnc.htm Other places I know and would trust are AFR (Air Flow Research), Lingenfelter, Doug Rippie. Tons of places out there for LT1s. Lt4s are alot harder to shop for...

These prefabbed performance enhacing modules/chips/ect are total junk. Most of the time, they just add timing, and add fuel, which may or may not help YOUR engine. The only way to get more power out of your engine the electronic route is to dyno tune. Get a shop who has the LT1 edit program...

You are correct. My total bill was $1700, but I had the heads pulled, milled, and a valve job. I believe the simple R/R head labor was around 800-900, the labor for the machine shop was 400, and the LT4s gasket set is 300, plus extra costs (coolant, ect.). So, for you to swap heads, I would...

while our minds are there........ LT4NICATE

8 letters to work with? How about "LT4TIFID" or "LT4TFIED"

My LT4 ran in the 210-215 range when I first bought it (combo city and highway) I got a 180 thermo and some water wetter, but that didn't help much, still around 210. The hypertech programmer helped alot more, when I set the fans to come on at 193, this kept temps down between 195-200. The...

As to the 1/4 mile time difference, going from 3.45s to 3.73s...I don't think it will affect you a GREAT deal, maybe .2 or .3. As to the speedometer difference, you don't have to change the speedometer gears IF you dont mind indicating 70mph when you're really only going 65......my answer...

and speaking of carriers........Who sells these things? Every place I've seen that sells ring and pinion sets that "may require a different carrier" DOESN'T SELL THE CARRIER???? Makes no sense to me.

This isn't an L98, so there is no plenum to swap/increase. However, the statement still holds true, 58 is too big for a naturally aspirated 350 with generally mild modifications. Thinking about this a little further... the bottom end of your engine is just a pump, and the heads are really where...

I think you'd be better off with a 52mm TB personally. My LT4 dynoed identical to yours when my mod list only included the flowmaster exhaust and MSD6a. Our times are also pretty close, at that time I ran a best of 12.9 @ 109. So, with your LT4 conversion plus some, you SHOULD be above that in...

I've been thinking of swapping my 3.45 gears for 4.10 or higher, and in my research, a couple questions have come up that I don't have answers to. #1 Why do gear companies (such as richmond gear) sell dana 44 ring and pinion sets for $150 give or take, and when I shop for the same thing at...

I just got back from carlisle, and while I was there, I had my car dynoed. I had previously had it dynoed in stock form at 305/315 hp/tq. After a few minor mods, one of them being a Hypertech programmer, I figured I'd pick up a few ponies.....wrong. I dynoed at 295/305. The technitian said my...

In 96, they wanted to make everything difficult......torx screws everywhere.

I will pay the fine if I ever get one........I refuse to use a front plate. However, if you want to remove the cover and put a plate in, it has torx screws at the top and bottom, kinda hidden behind the cover. Just push your finger in on the top and bottom (at different times) to wedge yourself...

No crossover? You say your muffler man welded two pipes in place of the resonator? So you no longer have any kind of exhaust crossover? From my experiances, and everything I've been told, this hurts your low end torque. If I'm right, and you end up wanting to get a crossover, look at Dr. Gas...

AIR programmed out? I'm curious as to how you deprogrammed the AIR from your computer, as to not have trouble codes. I'm running headers that don't have an AIR input, so I'm not using the system, but I keep tripping codes.

The downside to the ebay ones, is that the programer only works on one car at a time, so if the old owner didn't undownload the program off his car before he sold it, you won't get the performance program, only the option changes (like the fan temp, ect.)

I have a hypertech programmer, and its helped me. My temp was sitting around 210-215 most times, but I programmed the fans to come on at 193, and now I rarely get above 200. I'm still using a 195 thermo, but I plan on doing a 160 once I get motivated enough to deal with the stripped bolt heads...

If I had to guess why so many Z06s were for sale, I'd say that the owners are getting ready for their 03 Z06s. My instincts say that more 01 and 02 Z06 owners are ready to sell and move on to an 03 Z06 than 01 and 02 coupes and convertibles.