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'71 Chevelle - LS1/T56 - In progress

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Old 06-27-2006 | 05:19 PM
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Originally Posted by alocker
While your out taking pics, can you get one that shows the driver side framerail and steering shaft clearance? Thanks.
Will do. I also had to move the brake distribution block. It was in the way. With that said there is probably about 1" of clearance. I plan on 4-wheel discs w/ a proportioning valve so it isn't necessary. I think I already took that pic. I will post it later.
Old 06-27-2006 | 10:18 PM
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Here are the shots.

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Old 06-27-2006 | 10:33 PM
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I'm getting ready to do this same swap for a customer. Just got the Hookers, waiting on the swap mounts. The car is a perfect show car, I'm wondering if I should yank the front clip to do this install.....

Also, was that much trans tunnel needed out for the T56? I thought it was just tight in the back by the shifter.
Old 06-28-2006 | 08:53 AM
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Originally Posted by Whistler
Also, was that much trans tunnel needed out for the T56? I thought it was just tight in the back by the shifter.
It all depends on what mounts you run. I wanted the motor back as far as possible and did not want to cut the oil pan. You can do it differently and not cut the tunnel that much, but this is how I wanted it.

I think if you run S&P style mounts you don't have to cut as much, but have to relocated A/C compressor and possibly alternator if you're using f-body accessories.
Old 06-29-2006 | 04:18 PM
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what did you do for a drive shaft.. I have a 71 chevelle that i'm putting a ls1 t56 in and i have a complete 2000 donor car.. Right now the chevelle has a turbo 400 with a drive shaft to a 12 bolt rear.. Did you have to order a drive shaft or did it all fit??? thanks
Old 06-29-2006 | 04:38 PM
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I have not done anything yet, but I currently have a custom shaft from Advance Driveline here in Orlando. When I bought my trans I got the T56 output shaft w/ it and I plan on having that put on my driveshaft. The driveshaft will definately need to be shortened and I will have them do that when they install the trans yoke.
Old 06-30-2006 | 08:47 AM
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Ok. I took some measurements this morning before work and it it 6" to the inside and 9" to the outside of the collector. This is the distance away from the T56.

They end right before where the trans gets larger. A little below and forward of the first solenoid on the drivers side of the trans. Kind of hard to explain, but I didn't have time for a pic. Look at the very first post in this thread where I have the motor on the stand and the trans next to it. Right where the strap is going around the trans is where I am trying to describe.

Let me know if this helps or needs more description/measurements.
Old 06-30-2006 | 08:49 AM
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Disregard my previous post I put it in the wrong thread.
Old 06-30-2006 | 10:50 AM
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I hate it when I do that ! LOL
Old 06-30-2006 | 10:55 AM
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lol... thats ok.. you brought this thread TTT and i got to see more pics...
Old 07-18-2006 | 12:49 PM
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Any more updates on this swap??? I have a 71 chevelle also and a complete donor car with all accessories, pedals, etc. My chevelle currently has no motor and a TH350 sitting in it....

I plan on going with a carb setup so I don't have to worry about swapping the computer etc over. I was planning on purchasing a wiring kit from www.itsasnapwiring.com and hoping this would be all I need for wiring.
Old 07-18-2006 | 02:11 PM
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I have been busy and have not gotten much more done. I just got the fuel system in the mail from racetronix the other day. I think one of the best reasons for doing this swap is for the fuel injection. I will post more soon. I should start hanging the gas tank in the next week or so.
Old 07-20-2006 | 12:08 PM
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Do you have any pics of the gas tank it self? Is it going to be an easy swap and keep the same fill location?
Old 07-20-2006 | 01:40 PM
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Originally Posted by malibu350
Do you have any pics of the gas tank it self? Is it going to be an easy swap and keep the same fill location?
http://www.chevelles.com/forums/show...highlight=tank has some more info
Old 07-20-2006 | 06:05 PM
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I had input into that thread also.. here are few pictures of my tank. wasn't that hard do to! was cheap also!

Only con would be that it hangs low than the stock tank. I should find out soon, about to fire it up !

http://www.cardomain.com/ride/2353903/9
Old 07-21-2006 | 08:52 AM
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Brian,

How is the Chevelle Cowl induction lining up? I have a factory SS hood with the door that opens and would love to keep it functional.

Thanks
Old 07-21-2006 | 10:50 AM
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I have not done any fab'in up yet. But I think from what I have guess-a-mated.. it should be ok, There is enough room.

I will have to come up with a way to mount the base of the air cleaner off of the intake using the bolts that hold the coils to the valve cover or use some of the intake(I don't really want to do that) bolts.

I think I have come up with a way to cut up the orignal (repo) air cleaner and run a alum tube from the rubber elbow to a false/raised bottom inside the cleaner. Have not started it yet.. or I may just fab up a whole new air Cleaner box.

will keep u posted
Old 07-21-2006 | 10:59 AM
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Originally Posted by bczee
I have not done any fab'in up yet. But I think from what I have guess-a-mated.. it should be ok, There is enough room.

I will have to come up with a way to mount the base of the air cleaner off of the intake using the bolts that hold the coils to the valve cover or use some of the intake(I don't really want to do that) bolts.

I think I have come up with a way to cut up the orignal (repo) air cleaner and run a alum tube from the rubber elbow to a false/raised bottom inside the cleaner. Have not started it yet.. or I may just fab up a whole new air Cleaner box.

will keep u posted
Very cool I had thought of running a Victor Jr 4 barrel style intake or something like the Yearone Camaro BRP built, maybe a custom air box with a flat panel filter on top instead of the conical BRP used. Love the project
Old 09-06-2006 | 08:36 AM
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As promissed I finally got cracking on the Chevelle again. I am really pumped to get this thing running and still have a lot of work ahead, but it will run in the next month or so. I have to go to Vegas for a friends Bachelor party this month and I'm sure it will put a damper on my budget.

Here she is now.

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I got my BRP style mounts cut and bolted to the motor. I am using the energy suspension short and wide mounts. I think my Chevelle has the 307 clam shells/cages that the motor mounts bolt to. These are supposedly taller than the 350/454 style so I can run the shorter motor mounts. I do not have a lot of clearance, but I think it will be fine. I don't see the motor twisting that much under power.

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I don't think the motor is sitting totally straight right now. It looks like the drivers side is a little lower than the passenger.

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I have a little inteference problem w/ the rag joint and the alternator mount. I just ordered the Lee Manufacturing 3/4" koint for my Grand Cherokee box and hopefully it is a little smaller. If anyone knows chime in. If not I will shim the motor up a little.

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I think the trans might be a little low. After looking at the others that have done this I shouldn't have to drop the crossmember this much. It is sitting at about 6* down right now so after I move it to the correct 3* it will raise up a little.

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I got the gas tank lined up and the hole cut in the floor of the trunk. I am in the process of fabbing up some new brackets for the Impala tank straps to mount to.

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Well that's about it for now. I am going to try and get the gas tank fully mounted over the next couple nights. I need to do a little more grinding on my brackets and weld them in.

I also have some questions about measuring to check that the motor is straight and level, but I will ask those in another thread.
Old 09-08-2006 | 07:56 PM
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Well I just got done installing the gas tank. I made some new brackets for the impala straps to mount on. I just need to cover the top in the trunk now. On to the next project.

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