GTV-S2000 (warning not for the Alfa purist) - Alfa Romeo Bulletin Board & Forums

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post #1 of 567 (permalink) Old 02-10-2006, 10:12 AM Thread Starter
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GTV-S2000 (warning not for the Alfa purist)

Lots of pics gone from my shoehorning the S2000 in, so I thought it
would be nice to start a new thread with pics of the process.
Progress is very slow due to work, family, etc obligations.

Here's the first pics of the S2000 engine, and the stock 1750 from my 71 GTV
I, naively, thought at the time that it would sit in the engine bay, with very
minimal changes to the cross member. Boy was I ever wrong!!
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #2 of 567 (permalink) Old 02-10-2006, 10:19 AM Thread Starter
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The first step in the process is to get the S2000 into the GTV, this
requires some cutting, namely the stock crossmember, and the tranny
tunnel. It was a real gut check moment when I first started to cut up
my perfectly fine GTV frame. As time went on, it kinda felt good
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #3 of 567 (permalink) Old 02-10-2006, 10:23 AM Thread Starter
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Now that the cutting is done (or so I thought), its time to drop the S2000
motor in, and make sure it fits, and that there is adaquate hood clearance.
I also replaced the steering box, and made sure it and the brake booster
had enough room to fit.
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #4 of 567 (permalink) Old 02-10-2006, 10:30 AM Thread Starter
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Now that I was sure that it would all fit, it was time to address the motor
mount needs. I quickly realized that the stock S2000 mount could not be
used. They were too tall, and protrude way to far into the GTV frame.
I found some custom mounts from Advanced Adapters, that are used to
convert Jeeps into V8 monsters. I figure that it should be plenty strong
enough for my application.
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #5 of 567 (permalink) Old 02-10-2006, 10:38 AM Thread Starter
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Ok, so sorted out the mounts, and had to make custom plates to
bolt the mount onto the S2000 motor, these were plasma cut
by a local shop. There was really no need to have them plasmed
to the original mount patter, but I thought it looked "stock".
I cut the AD mount arms and positioned them with the motor in place,
and tacked it all together
I also cut some plates to weld to the GTV frame to bolt the AD mount bases to the GTV frame.
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #6 of 567 (permalink) Old 02-10-2006, 10:48 AM Thread Starter
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I originally wanted to use an X shaped custom cross member, but
the S2000 oil pan, and clutch tunnel is not symetrical. So I have
decided to use a single 2-1/2" tube. Here's a pic of my original X,
I still need to take a pic of the single tube.

I have been focusing on the tranny mount now, am using 1"x3"x0.125"
rectangulat steel stock. The S2000 tranny mounts are also not symetrical
as one side of the mount is bent to allow clearance for the exhaust.
No problem, nothing a little more cutting and welding cant fix
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #7 of 567 (permalink) Old 02-10-2006, 03:36 PM
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Any chance you'll take a trip to SLC when this is done?


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post #8 of 567 (permalink) Old 02-10-2006, 04:43 PM
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Thanks for putting the abridged transplant post together.

Looks like your doing a fine job and I cant wait for more photo's.

I was wrong once before,
Paul Van Der Linden

Currently: 70 Giulia Ti 2.0L

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post #9 of 567 (permalink) Old 02-13-2006, 06:56 AM Thread Starter
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Thanks for the kind comments. I have been to SLC a few times, and
really like that place, I'm especially amazed of how clean the city is.

Well, this weekend I worked a little more on the tranny mounts.
I somewhat revereted back to using the 2x4x0.065" recatangular
stock for the driver side mount, and the 1x3x0.125" for the passenger
side. The 2x4 works perfect for the lower tranny mount on the S2000,
and the the 1x3 looks to be ok for the higher passenger side. I did
notch the 1x3, and will add some heavier plate stock, and tack on a nut,
on the driver side I will use some threaded spacers do add rigidity, and
keep the tranny mount bolts from collapsing the 2x4 stock. I will use
the 1x3 from the Alfa frame to the sills to make it all nice and rigid.

I have looked at the stock S2000 headers, and I really dont think these
will fit. I think I will have to have some custom ones made. I think that
the passenger side will become the "hot" seat. :-) I'll try and mount the
stock header and take a pick, to give you all an idea of what I'm talking about.

I think that after this is completed, I will send the car out to be dipped
before welding in the new floor and tranny cover. I think that with all
the undercoating and sound insulation tar removed, will make welding
a lot easier. Stay tunned...

Here's a couple of pics.
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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post #10 of 567 (permalink) Old 02-13-2006, 07:14 AM
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That is some major work you have done there credit to ya

That S2000 engine will be unreal in such a light car with 240bhp and that Vtec roar will have you smiling.


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post #11 of 567 (permalink) Old 02-13-2006, 01:37 PM
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After having just completed some floorpan work, I would agree that having the car dipped before welding the body would be an excellent Idea. but I htink there is still alot pf prep involved before they can dip it? AND we gotta find a place nearby that can do it. I'd be interested if you have any leads. I'll let you know I f I find anything by the time I start my next project.

'62 Giulietta spider --- '74 spider rolling chassis--- '64 Giulia Ti --- '6o's DUCATi 250cc cafe racer.


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post #12 of 567 (permalink) Old 02-13-2006, 03:52 PM
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Make sure you drill small holes for the acid to get out of the trapped areas. The hard part about dipping is getting the dipper to take there time when flushing the trapped acid from all the hollow areas of a unibody car. Also when you get the car back, use a Rosebud on your torch to warm up (and bake off) the acid in the seams around the spotwelds.

You might be better off with Walnut and Glass bead blasting as you dont have to worry about potential rot from the acid.

I was wrong once before,
Paul Van Der Linden

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post #13 of 567 (permalink) Old 02-13-2006, 09:36 PM
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Hmm...
There was a thread some time ago about dry-ice blasting to remove undercoatings too. propably NOT the thing to do for body panels, but that tar stuff is the worst of the cleanup by far.

'62 Giulietta spider --- '74 spider rolling chassis--- '64 Giulia Ti --- '6o's DUCATi 250cc cafe racer.


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post #14 of 567 (permalink) Old 02-17-2006, 03:01 PM
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Just to add to your worries...

I guess if the standard exhaust won't fit, it won't fit ... but, try and do whatever you can to use the original headers. I have freinds who race vtec Hondas, and word is that Honda really knew what they were doing. It's easy to loose 15-20hp from a vtec engine by messing with the standard exhaust. Even supposedly 'improved' aftermarket headers bring worse results than standard Honda headers.

Seriously, cut another hole in your floor and firewall, if that's what it will take to keep the standard exhaust.

Anyway, love wtaching this project progress. Full credit to you.
It's completely banished from my head the idea I once had to do a similar thing.

Anthony White
Wellington, NZ
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post #15 of 567 (permalink) Old 02-21-2006, 08:14 AM Thread Starter
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Just wanted to post a couple of pics of the engine mount bases and arms.
These will go out to the powder coater. I have been preparing for the
car to be dipped. I am going to use a place in Van Nuys called L&M Strippers.
Sounds like a gentlemens club Anthony posted a thread about dipping
a GTV, and was nice enough to share the companies info. They will also
etch prime it after is has been dipped in an acid neutralizing tank, they use
a wand to prime all the nooks and crannies.

As you can see from the pics, there is still some cleaning up to be done in
the engine compartment, and I need to weld in the cross brace, and finish
welding up the arms to their plates. List goes on and on....
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1971 GTV ongoing "restoration" project (Rice Conversion)
1978 Spider sold in 1996
1962 Guilietta Spider sold looong ago
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