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Project Build '70 911 LS1 Monster

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Old Feb 17, 2010 | 07:49 PM
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Default Project Build '70 911 LS1 Monster

So I'm turning my 964 look '70 911 into an LS1 powered car. I'm doing it completely on my own without the RH kit or anyone else.

Once we had the engine out, I noticed that it needed new shocks. I then noticed that the previous owner had screwed the lower sideskirt panel and then filled and painted over, so removing the torsion bar was also not happening.

We started by cutting the torsion bar out of the car.



Once it was out, we reassembled the radius arm and got the suspension swinging again.

We prepped and ground down the lip under where the stock shock goes.



We planning on welding this plate to the bottom of the upper support as a brace for the new suspension.



And the we mocked up the QA1's upper support to see how we'd need to support it.



Once we had the plate in, and the coil mounted to the top, we checked the play and motion on the passenger side.



Once we saw that everything was fine, we duplicated all of this on the drivers side, and painted flat black to match.



All done for now!



Right now, the car is slammed, so the coils look on the short side. In reality, they're quite perfect in size and ride at the recommended 10.5-11.5 ride high range. The QA1's are awesome in their adjustability. 0 Clicks and it has the spring of a caddy, turn it up to 5 and it's rock hard. It goes to 12!
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Old Feb 17, 2010 | 07:49 PM
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Default Re: Project Build '70 911 LS1 Monster

New stuff!

Cut the gas tank down and bought all the metal to get the radiator installed and add some mesh to the front core support to allow for some airflow.





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Old Feb 17, 2010 | 07:49 PM
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Default Re: Project Build '70 911 LS1 Monster








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Old Feb 17, 2010 | 07:50 PM
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Default Re: Project Build '70 911 LS1 Monster








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Old Feb 17, 2010 | 07:50 PM
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Default Re: Project Build '70 911 LS1 Monster

New:

Built the aluminum box area for the radiator. Got the Fans mounted to the radiator and being mounting the battery in the smugglers box.







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Old Feb 17, 2010 | 07:51 PM
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Default Re: Project Build '70 911 LS1 Monster

BUMP!

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Old Feb 17, 2010 | 07:53 PM
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Default Re: Project Build '70 911 LS1 Monster

sick!

Why not post this in the Welding/Fabrication forum?
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Old Feb 17, 2010 | 07:54 PM
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Default Re: Project Build '70 911 LS1 Monster

Personally I would make my '70 911 look like a '73 RS rather than a 964, and would keep the flat 6. But badass regardless of my opinion.
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Old Feb 17, 2010 | 07:54 PM
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Default Re: Project Build '70 911 LS1 Monster

I had a few members who wanted to see it from the post a pic of a recent purchase thread. I'll post a link to this inside their big thread there.
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Old Feb 17, 2010 | 07:55 PM
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Default Re: Project Build '70 911 LS1 Monster

This is going to be a sweet build! How come you decided to go with the LS1 instead of a newer motor? Isn't it quite a bit heavier than the six you are replacing? Awesome build nonetheless, the fabrication/welds are looking well. Good luck :brewski:
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Old Feb 17, 2010 | 07:55 PM
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Default Re: Project Build '70 911 LS1 Monster

Originally Posted by Overkill
Personally I would make my '70 911 look like a '73 RS rather than a 964, and would keep the flat 6. But badass regardless of my opinion.

It already looked like a 964 when I bought it. Returning it to a long hood, long fender, no bumper rear car would be very expensive.
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Old Feb 17, 2010 | 07:57 PM
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Default Re: Project Build '70 911 LS1 Monster

Originally Posted by 93Accord117
This is going to be a sweet build! How come you decided to go with the LS1 instead of a newer motor? Isn't it quite a bit heavier than the six you are replacing? Awesome build nonetheless, the fabrication/welds are looking well. Good luck :brewski:

Anything newer than an LS1 gets much more expensive. The LS1 was only ~$1800. An LS2 or newer is probably twice that, plus, the power of the LS1 is more than plenty.

A fully dressed flat6 3 liter weighs about 20lb more than a fully dressed LS1.
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Old Feb 17, 2010 | 07:58 PM
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Default Re: Project Build '70 911 LS1 Monster

Lookin good man.
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Old Feb 17, 2010 | 07:58 PM
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Default Re: Project Build '70 911 LS1 Monster

Originally Posted by mbaran
A fully dressed flat6 3 liter weighs about 20lb more than a fully dressed LS1.
WHOA really?? Flat 6 was cast iron?
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Old Feb 17, 2010 | 08:00 PM
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Default Re: Project Build '70 911 LS1 Monster

they're usually aluminum in later years, but some are magensium too.

the weight comes from the oil tank (dry sump, 11qt) the air fan, the huge heat exchangers, the and the fact that the engines are in so many pieces (heads, cups, cylinders, etc)
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Old Feb 17, 2010 | 08:02 PM
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Default Re: Project Build '70 911 LS1 Monster

Originally Posted by mbaran
It already looked like a 964 when I bought it. Returning it to a long hood, long fender, no bumper rear car would be very expensive.
Oh yea, that's for sure. I was researching conversion kits for an SC to revert to the old look, and that's like 7-8k in parts alone. Add labor for a new paint job and all the prep required to make the fiberglass fit properly = a shitload of cash.
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Old Feb 17, 2010 | 08:03 PM
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Default Re: Project Build '70 911 LS1 Monster

Originally Posted by mbaran
Anything newer than an LS1 gets much more expensive. The LS1 was only ~$1800. An LS2 or newer is probably twice that, plus, the power of the LS1 is more than plenty.

A fully dressed flat6 3 liter weighs about 20lb more than a fully dressed LS1.
Damn! I had no idea, now you can have a nice helping of torques with a side of low maintenance and weight reduction. Very jealous. If I could do any kind of swap like that, I've always wanted to restore a Subaru Justy and swap in an entire WRX STI drive train.
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Old Feb 17, 2010 | 08:07 PM
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Default Re: Project Build '70 911 LS1 Monster

for sure. Plus I bought a 930 Turbo 4 speed transmission for it that should be capable of 500whp with ease.
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Old Feb 17, 2010 | 08:11 PM
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Default Re: Project Build '70 911 LS1 Monster

I hate to be the hater, but...another LSx-powered abomination? Really?
I shrugged at the Nissan S-Series swaps, gritted my teeth through the RX7 swaps, and now the 911?!

I am hereby hating on the good-ol'-boy, "Hey Billy Ray, just throw a V8 in that sumbitch!", this-is-why-they-all-hate-us, answer.
I'm sorry, but it's just wrong.

Flame on, you knuckle-draggers
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Old Feb 17, 2010 | 08:16 PM
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Default Re: Project Build '70 911 LS1 Monster

duly noted, along with a huge majority of the 911 forum. A mid 200hp engine from a late model Porsche would probably set me back $8500-$10,000 and that just wasn't in the budget.
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Old Feb 17, 2010 | 08:16 PM
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Default Re: Project Build '70 911 LS1 Monster

SBC --> 911 swap is nothing new, at least now it's with a fuel injected aluminum engine.
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Old Feb 17, 2010 | 08:19 PM
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Default Re: Project Build '70 911 LS1 Monster

it's just a little less "git-r-done"
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Old Feb 17, 2010 | 08:42 PM
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Default Re: Project Build '70 911 LS1 Monster

very nice fabrication, but i have to agree, a V8?!

my policy, keep the amount of cylinders and their orientation to the original design.
that is what keeping me away from putting a V8 or an SR engine in my Z
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Old Feb 17, 2010 | 08:52 PM
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Default Re: Project Build '70 911 LS1 Monster

I had for a while contemplated an EG33 subaru H6. Didn't want to go down the road of forced induction.
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Old Feb 17, 2010 | 09:06 PM
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Default Re: Project Build '70 911 LS1 Monster

No reason to reinvent the wheel. Very clean looking welds and work in general.

In the end you do what best suits your needs and makes you happy. Screw the haters.

Now if you'd swapped an LSX into an FD3S, I KEEL you.
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