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Thread Topic: 1602 Conversion project - some thoughts and questions Threaded

   
Date: 5-10-08 01:42
From: rijco in Washington State View user's profile
Subject: 1602 Conversion project - some thoughts and questions

I've now bought my second '02 in four months. The first is a Jade Green '76 that I'm refurbishing for my son. That car is currently at the body shop getting its various dings sorted out and repainted, but is otherwise in great shape and only needs general refurbishment which I'll complete in the next couple of months.

In the meantime, I bought a Verona '74 1602 that was bought new in Italy and spent most of its life in Rome until it was imported to the West Coast a few years ago. Low miles and great shape. I bought it from the second owner last week. It is virtually rust free (except a few small bubbles in the bottom of the doors from deteriorated window weatherstripping letting in excessive water), was carefully repainted and had the interior restored in Italy prior to being shipped.

My thoughts are to leave the exterior completely stock, rework the four corners (suspension and wheel upgrades), and replace the drivetrain with LSD, 5 speed and a new motor. The new motor would be a rebuilt 2.0 or perhaps an S14. Either way I'm leaning toward modern fuel injection for reliability and engine management. My goal in these scenarios is to create an utterly reliable "modern" '02 that's a daily driver with good fuel efficiency and really great performance, while being quite understated.

As an alternative I would consider completely rebuilding the existing drivetrain, upgrading the four corners, and otherwise just keeping the car fairly stock. I'm more inclined toward adaptive reuse, but I'm considering the merits of both choices.

So... I'm open to a discussion on the merits of restoration vs adaptive reuse, and a discussion regarding what others consider the optimal drivetrain set up if they were starting from scratch.

Cost isn't a big factor here, but I want this to be a reasonably sensible investment of time and money when I'm done. Anybody want to weight in?



Date: 5-10-08 10:02
From: Delia in "Don't call it 'Frisco'" View user's profile
Subject: Re: 1602 Conversion project - some thoughts and questions

Certainly can't go wrong with a five-speed conversion and LSD. I recommend the 3.64. Ireland Stage I springs and Bilstein HDs are pretty common upgrades that don't ride too harsh on 6" x 14" wheels and 195/60-14 rubber.

If the 1600 motor is still in great shape, you can add a megasquirt FI system...

-or-

...an S14 will make you smile a bit broader...

-or-

...drop in an M20 and find yourself grinning from ear to ear every time you get behind the wheel.

Cheers!

Delia
_________________
1973 2002tii
Inka (aka "Orange Julius")
VIN 2762756

1974 2002tii - damaged
Polaris (aka "Mae West")
VIN 2782824

BMW CCA member #1974

www.oldschoolbmw.com

deliawolfe@gmail.com



Date: 5-11-08 12:05
From: dlhoovler in Wheaton, Ill. (for July) View user's profile
Subject: Re: 1602 Conversion project - some thoughts and questions

I'd agree with Delia's first suggestion: add FI to the 1.6L engine. Late-model 1600s are very uncommon stateside, so I'd keep the original engine. And with Megasquirt, I think you could tune it to get very good fuel economy for a daily driver. Add a 5-speed but keep the 4.11 rear end to preserve acceleration but keep it somewhat reasonable for highway driving. I understand those 1.6 engines really like to rev!

-Dave
_________________
Colorado '71



Date: 5-11-08 02:50
From: c.d.iesel in South West Connecticut - Darien = The Right Coast View user's profile Send e-mail
Subject: 1602 Conversion project - some thoughts

save some time and MONEY (which seems like you
have plenty of ) and buy a E30 318is for speed, reliability,
zero maintainence, great handling. Leave the 1602 alone.
_________________
1976 BMW 2002 #2743711(sorry I sold it 12/25/06)
1986 BMW R65 650cc twin 19k miles
1964 BMW R27 250cc single 15K miles
2002 BMW 325xiTouring 29k miles
1984 MERCEDES-BENZ W123 300D Turbodiesel-188k miles fein-DIESEL



Date: 5-11-08 08:34
From: rijco in Washington State View user's profile
Subject: Re: 1602 Conversion project - some thoughts

I have to admit, the 1.6 engine is starting to grow on me. It does rev quite freely and is actually reasonably responsive once things get going. It certainly needs new rings at this point, which means its decision time - rebuild or replace. My sons are really pushing me toward the S14 full-on conversion but I thought it would be helpful to hear a few other opinions from those of you with more experience. I appreciate your thoughts.

I frankly have no interest in a newer BMW, no matter how fast or reliable. It just doesn't suit my point of view. I own modern cars and I drive them regularly - a Passat 4Motion and a Tundra. My interest in old cars is about making driving a more engaging experience. For instance, I own a near perfect '92 Alfa Spider Veloce S4 that is both beautiful and incredibly nimble. It has very low miles, a bullet proof Bosch fuel injection system but very little grunt at low rpms, and so I find myself on the verge of modifications. Since it's strictly a sunny day car, I bought the 1602 as another fun driver on days when the Alfa doesn't really want to leave the garage. I thought that if I really made the 1602 nimble and quick, I'd probably get more driving time in it and be less tempted to molest the Alfa's mechanicals.

Anyway, thanks for your thoughts on the matter.



Date: 5-11-08 09:59
From: KFunk in Southeast Ohio. View user's profile
Subject: Re: 1602 Conversion project - some thoughts

You just said it... if you wanted 'modern' reliability and efficiency then you'd drive a modern car.
But no, we drive vintage cars for a reason. It's the engaging feel of driving an old car as it was meant to be driven. Not a smooth startup with come computer doohickey doing crazy stuff on its own, but a good old-fashioned accelerator pump pushin gas thru a venturi.
Save yourself the trouble of re-working everything needlessly, and just drive the car.
_________________
4224479: 74 2002, #74 EP/FSP, daily driver
I beat my car like it owes me money!



Date: 5-11-08 10:38
From: rijco in Washington State View user's profile
Subject: Re: 1602 Conversion project - some thoughts

Well, for me the issue is a little different - I'm not opposed to modern reliability. What I get excited about is the iconic styling and feel of some older cars. So, while I generally wouldn't consider molesting the exterior, I would entertain upgrades to the mechanicals. I bought this particular car because it had the euro bumpers and square lights and I liked that look. I wanted to start with a car that wasn't burdened by oversized American bumpers, and I actually prefer the square lights to the earlier round ones.

I grew up in California in the 60's as a suburban kid watching low riders and hot rodders strip cars back to what the designer probably had in mind before marketing and regulatory issues marred the essential form. I admired their sense of design for that effort. I've been involved in architecture, building and development my whole life, including a stint with the National Trust for Historic Preservation, and I still get excited about how design and form play with function, whether its architecture, furniture, cars, or nature.

So, that's my context for this decision. Preserve the form and feel, but give the car the benefits of upgraded mechanicals as long as it doesn't completely ruin the original "gestalt" of the car. I mean, is anyone actually running on original shocks? How about tires? Not likely. There is a fuzzy line here that always gets crossed between preservation, reuse and restoration. The question is, how far over the line makes sense. How far can you go without losing the soul of the object you are attempting to honor?



Date: 5-11-08 09:25
From: Delia in "Don't call it 'Frisco'" View user's profile
Subject: Re: 1602 Conversion project - some thoughts

rijco wrote:
Well, for me the issue is a little different - I'm not opposed to modern reliability. What I get excited about is the iconic styling and feel of some older cars. So, while I generally wouldn't consider molesting the exterior, I would entertain upgrades to the mechanicals.

I've been involved in architecture, building and development my whole life, including a stint with the National Trust for Historic Preservation, and I still get excited about how design and form play with function, whether its architecture, furniture, cars, or nature.

So, that's my context for this decision. Preserve the form and feel, but give the car the benefits of upgraded mechanicals as long as it doesn't completely ruin the original "gestalt" of the car. I mean, is anyone actually running on original shocks? How about tires? Not likely. There is a fuzzy line here that always gets crossed between preservation, reuse and restoration. The question is, how far over the line makes sense. How far can you go without losing the soul of the object you are attempting to honor?


The BMW 2002 is a recognized icon of mid-century design and engineering. Having analyzed the concept and engineering drawings during my own design education, it should be noted the design and styling cues have a decidedly Bauhaus influence. The canted overhead-cam engine is a marvel of engineering prowess.

Because I've been driving and modifying 2002s since 1972, and even purchased a NEW one in 1975 -- when it came time to purchase another in 2001 -- finding an unmolested example was quite difficult. And though my '73tii wasn't a cream puff or unmodified, it had some tasteful, period upgrades that didn't detract from the 2002 driving experience. Over the past few years, I didn't try to return it to stock, but made an effort to preserve. or conserve it's vintage-modified equipment and appearance -- something that's proven to be a far move daunting task than I could have ever imagined. It is if nothing else, an exercise in restraint.

My '74tii has the more typical 14" wheel/tire upgrades, tiny steering wheel, and Ireland Engineering Stage I Springs with Bilstein HDs. I can say that as much as I like my '74tii daily driver, my heart belongs to my '73tii with it's tiny 13" Minilites and nearly-stock sized 185/70-13 Bridgestones. It's as close to the experience I remember from my first 2002 drive back in 1972.

At A1 Imports in San Rafael, where I work/hang out, JP is doing a number of modified 2002s with M10s, S14s, M20s and megasquirt FI systems. They all have big wheels/tires and stiff suspensions; some of them have coilovers and huge brakes. While these are anything-but-stock, I think their owners would argue that they *still* are within the fuzzy line as an homage to the original concept.

The retro New Beetle and New Mini? THOSE are soul-less!

Me? I'm just a Designer/ex-College Professor, living in the Bay Area, passionate about 2002s.

Cheers!

Delia
_________________
1973 2002tii
Inka (aka "Orange Julius")
VIN 2762756

1974 2002tii - damaged
Polaris (aka "Mae West")
VIN 2782824

BMW CCA member #1974

www.oldschoolbmw.com

deliawolfe@gmail.com



Date: 5-11-08 09:48
From: rijco in Washington State View user's profile
Subject: Re: 1602 Conversion project - some thoughts

Yes...yes. 1972. My first year in college. I went from a Hillman Minx, to a MGA, then an MGB, then an Alfa Giulietta Spider (lovely car!), then an MGBGT, then a Datun 510 that really, really wanted to be a 2002. So, of course, I've wanted the 2002 ever since! Thanks for the comments, Delia.



Date: 5-13-08 03:00
From: rijco in Washington State View user's profile
Subject: Re: 1602 Conversion project - some thoughts

Well, after talking it over with my mechanics at Group 2 in Seattle, I've decided to stick with the 1.6 engine and just rebuild it for much higher performance - upgraded cams, fuel and exhuast systems, etc. Still doing the 5 speed and LSD, but I'll keep the originals in my shop just in case. Having now had a week to drive the car, I've gotten kind of attached to that little motor - it really needs to wind out but then it'll play with the big dogs. Completely different feel from our other '02, which has much more grunt all the way throught the power band, with the able assistance of the Weber 38.



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