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First of all the 996 weight depends on it's accessories so its total weight is a moving target. However I don't know what all this leads up to if you want the extra horse power and a simple engine that produces a lot of grunt. I installed a LS3 480 HP, some GM specs says it's 495 HP, I won't argue that point... I put the car on aircraft scales and I'm 160 lb. lighter, however that is with the removal of the front diff. Also all the accessories are attached on the bottom of the engine, not on top, lower CG. The installation uses an electric water pump so no mechanical water pump. I can tell you it's no quick substitute for replacing the IMS bearing, clutch, etc. Making the Porsche and GM computers talk to one another was the biggest challenge. It's not for the shade tree mechanic... Now there's a lot of these conversions that throw used parts at the project, never deal with the blinking lights on the dash and only want to go 0-60 with their hair on fire, but to do it factory takes a lot of time and money. I don't think debating about a few pounds either way is really the question, it's time, money, performance, engine longevity, something different that is breath taking to drive. I took my car into the local Porsche dealership to put it on their OBD machine. When the guy drove the car into the mechanics stall the entire shop stopped working, took pictures, got under the car and were all in awe of the installation. Fortunately I didn't have to pay for the down time... I removed the front differential in favor of putting a taller ring and pinion in the car. At redline in 6th gear it pencils out at 206 MPH, not with me in it... At 80 MPH it's turning 2750 RPM, it's a lot quieter that the Porsche engine that is turning more RPM's. Bottom line, it's simple horse power and when you lift the deck lid you can see a real engine, not an air cleaner. Sorry in advance if I offended anyone...

Creekman can substantiate what you say (since he did it)...

Try 1432

Bulb or the whole assembly?