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LS1 Installation   (Be sure to visit the "Picking the Kit" area)
This is the shot from the bottom - up, it is hard to see, but the only thing coming in contact with the firewall is the water pump pulley everything else seems to have room with the exception of the alternator.  The alternator sits at the uppermost part of the driver's side of the engine.  The firewall will have to be cut out there to clear the pulley. Another shot of how close it is without modification.
Rather than cutting the firewall I personally did not like the alternator sticking up so high on the engine, since I first saw it. In a Corvette there is no room to mount it anywhere else.  I began doing some research on if a company made a re-mount kit for an LS1.  I came up short everywhere I looked, and then and I came across Vortech superchargers.  Their kit has a relocate system with the Supercharger kits. After finally finding some installation pictures,  I found that it just moves it from the Right side to the left side and only moves the problem and does not fix it.  The AC compressor sits on the passenger side on the lower part of the engine and on the other side under the Power Steering pump there was a wide opening,  I thought it may be worth the time to see if the Alternator could be moved there.  .
After about 8 hours of cutting paper templates and trial and error I cut and made three brackets out of 1/4" steel.  Alignment on an accessory is very critical I used a level and calipers to ensure alignment before welding the brackets together. What I found was nice was that the front of the block plus 1/4" steel made the alternator flush and aligned with the rest of the accessories on that belt.  There was about a 1/16" gap (more needed) in the spacing and that was filled with a simple washer.  With the first mounting hold made I was then able to construct the rest of the brackets.  Probably one bracket too much and we probably did not need to use 1/4" however I was not about to take any chances.  I coated them with aluminum paint to match the rest of the brackets on the engine and installed them
You can see here the old and new alternator location.  I will also have to re-locate the power steering pump reservoir.  This is not a big deal since it is not pressurized I only need to make sure it is above the pump for gravity to work.
   
This is the first test fit of the engine fully bolted in. It really looks bad to try and cover up so we decided to completely gut the back firewall.
The opened it up providing all the clearance we needed. We started to fabricating the New firewall support. and framed it so the engine would have plenty of room.
On of the first things we noticed was how much room we had for the water tube that points in the wrong direction......  We are working out a solution for this but we did not let it stop us so we moved on. Everyday we work on this we get closer to trying to make it look more and more original. We mounted the Seatbelt crossmember.
Test fitted the center console which will be trimmed down from the top for an original look. Here is the engine from the top, and mounted.
we had to trim the rear bumper support to clear the transaxle housing.  Plenty of ground clearance and it will be almost covered by the bumper.
Rear view We took the engine out and focused on the engine bay.  It looked like a mess and since we cut out so much it did not lend itself to any additional structural support.
Another view of the mess Ahhh  it looks much better all the old supports were cut out and removed.
We capped the old cross-member with 1/4" plate steel We did this on both sides
We then beefed up the bottom area support with 1/4" plate The extra steel provided a strong support area for the 2" .95 steel tube.  We bend it to contour the gas tank.
Note the extra side support that ties in the original cross-member location. We cleaned up some of the other holes with 1/8" steel.
While we worked on the support we sent out the cradle to be powder coated and the transmission mount chrome plated. The engine installed on the freshly coated cradle.
We added an additional support bracket before we had it coated.  This will tie into a future support to help minimize the V8's twist and torque. Shot of the rear with the Chrome transmission support.  The picture does not due this justice.  It is very sharp.
We measured for the axles and had a local Clutch and Joint (Dayton Clutch and Joint) mate a new Porsche and Fiero axles into one.  ours measured 26" however we also have a +1 inch wide track rear end. We measured within 1/8" tolerance. Another view of the axles
Ok we removed the water pump and are having a new inlet machined in it. More on that later. View from the top .
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
   
 


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